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Posted: 2/28/2021 7:40:51 AM EST
[Last Edit: mike_nds]
[#1]
Quote HistoryOriginally Posted By montieth: Hmm.....That would be a slightly different direction as I was thinking to have the lower remain compatible with a conventional AR upper... thus I was thinking of the LAW Tactical Folding adaptor. But it does make the access to the tube itself trivially easy with the RAT stock. Turn the front locking switch, depress the latch, withdraw the stock off the tube and remove the knurled end cap to gain access to the parts. Do folks like those rail adapter mounts for stocks? Our NDS-1815 is cross compatible with a standard AR upper.  
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VA, USA
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Posted: 3/18/2021 1:50:57 PM EST
[Last Edit: rokrigjay]
[#2]
Quote HistoryOriginally Posted By conda: I'm really happy with how my brn turned out. I think the lower completes the look. https://i.imgur.com/1P79Dpb.jpg Looks great! This is almost identical to the one I'm building, except with the 18.5" upper. |
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Posted: 3/21/2021 8:03:42 PM EST
[Last Edit: TNC]
[#3]
Checking in with my results. 16" .223 upper on a generic lower. I swapped out the buffer for an ace/doublestar side folder. It seemed to run OK at the range, I had one light primer strike out of 30 rounds.
Then at a casual league shoot it decided to light-strike almost every round. I called no-joy after cycling 5 - 6 live rounds onto the deck. Today I did a little troubleshooting at the range. This lower has a Larue trigger, and I get about 50% light strikes. It runs perfectly on another lower with a geissele SSA-E. I think the Larue has a very light hammer. So today I swapped in a regular mil trigger to see if it works better. Will post results when available, it might be next weekend. Today I noticed the bolt carrier seems to stay rearward a tiny amount, maybe 1/16", intermittently when chambering a round. If I slap the charging handle forward after every shot it will run 100%. I think the light hammer just doesn't have the oomph to fully seat the BC, and set off the round. Anyone else seen this? ETA: I love this thing. The sidefolder makes a nice compact package. Now I want to convert one of my pistols to a 10.5" -180 with a sidefolding brace. It would probably fit in a small day pack. How cool would that be? |
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Posted: 3/26/2021 10:05:57 AM EST
[#4]
I have a 180S that I've put about a thousand rounds through with a Laure trigger and haven't had any light strike issues. I had some issues with running lighter 223 rounds through it while suppressed but nothing else so far.
At this point it's my favorite rifle to shoot. I've bought a 516 upper and a Bren 2 recently and still prefer my BRN180S to them. |
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Posted: 3/26/2021 10:58:49 AM EST
[#5]
Quote HistoryOriginally Posted By MisterTwo: I have a 180S that I've put about a thousand rounds through with a Laure trigger and haven't had any light strike issues. I had some issues with running lighter 223 rounds through it while suppressed but nothing else so far. At this point it's my favorite rifle to shoot. I've bought a 516 upper and a Bren 2 recently and still prefer my BRN180S to them. I have the same setup with the Larue trigger. Works perfectly. |
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Posted: 3/27/2021 7:59:34 PM EST
[#6]
Quote HistoryOriginally Posted By ahrion: I have the same setup with the Larue trigger. Works perfectly. Quote HistoryOriginally Posted By ahrion: Originally Posted By MisterTwo: I have a 180S that I've put about a thousand rounds through with a Laure trigger and haven't had any light strike issues. I had some issues with running lighter 223 rounds through it while suppressed but nothing else so far. At this point it's my favorite rifle to shoot. I've bought a 516 upper and a Bren 2 recently and still prefer my BRN180S to them. I have the same setup with the Larue trigger. Works perfectly. I swapped in a mil trigger and I'll test it this weekend. |
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NC, USA
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Posted: 3/28/2021 9:02:21 PM EST
[#7]
My understanding from the @PWS_Marketing website was that that BRN-180/180s was exclusive to @Brownells so how was Elk County able to get ahold of some?
https://ammoandarmsstore.com/brn-180s/ |
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Posted: 3/29/2021 1:14:59 PM EST
[#8]
Quote HistoryOriginally Posted By cheld: My understanding from the @PWS_Marketing website was that that BRN-180/180s was exclusive to @Brownells so how was Elk County able to get ahold of some? https://ammoandarmsstore.com/brn-180s/ Aside being available primarily through Brownell's, they are also available to dealers through limited distribution. |
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NC, USA
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Posted: 3/31/2021 9:33:46 AM EST
[#9]
Pistol beginner builder question:
What braces are folks with the 180s and a standard AR lower using, and what kind of adapters do you need to get the brace mated to the lower receiver's thread? |
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Posted: 3/31/2021 10:17:13 AM EST
[#10]
Sunday I had it back to the range with the mil single stage trigger. That reduced the light strikes, but didn't eliminate them. I am convinced it's a case of bolt carrier bounce. If I watch the carrier I can see it bounce back about 1/16 inch on the shots where it misfires. The hammer then has to fully seat the bolt carrier and set off the round.
I'll try replacing the recoil springs, then send it back. |
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Posted: 4/2/2021 2:03:17 AM EST
[Last Edit: Removed_californian]
[#11]
Quote HistoryOriginally Posted By cheld: Pistol beginner builder question: What braces are folks with the 180s and a standard AR lower using, and what kind of adapters do you need to get the brace mated to the lower receiver's thread? I’m planning on using a KNS pic adapter to mount my jmac AB-8R and tailhook mod 1c. It’s going to be folding to the left side with a sig folding mechanism (like an mcx. Fight me with my poor man’s MCX). 
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Posted: 4/2/2021 8:10:57 AM EST
[#12]
Quote HistoryOriginally Posted By Removed_californian: I’m planning on using a KNS pic adapter to mount my jmac AB-8R and tailhook mod 1c. It’s going to be folding to the left side with a sig folding mechanism (like an mcx. Fight me with my poor man’s MCX). https://i.imgur.com/QXTQYrN.jpg BRN180 is hardly a poor man's MCX. After all the parts, it's probably the same if not more. |
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Posted: 4/2/2021 3:00:14 PM EST
[Last Edit: Removed_californian]
[#13]
Quote HistoryOriginally Posted By ahrion: BRN180 is hardly a poor man's MCX. After all the parts, it's probably the same if not more. Considering that the base mcx is 2k at the moment, even after parts I’m around the 1500 mark for a base rifle. Closer to 2 after optic, irons, and suppressor mount. I’d have loved a Virtus pistol, but it’s cost prohibitive for what I’m wanting to do. |
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MI, USA
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Posted: 4/2/2021 3:14:16 PM EST
[#14]
Quote HistoryOriginally Posted By ahrion: BRN180 is hardly a poor man's MCX. After all the parts, it's probably the same if not more. I have both and an MPX. THE BRN180 is about the same cost as an MCX was a few years ago. Hard to compare in this market. I bought the BRN 180 upper last summer then the lower which came in February. Still need to assemble the lower. I won't say the MCX and BRN180 are the same quality as I don't shoot enough to prove much of anything. I can say that the MCX has proven to not be very accurate. |
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Posted: 4/3/2021 12:19:32 AM EST
[#15]
Quote HistoryOriginally Posted By rbarry3715: I have both and an MPX. THE BRN180 is about the same cost as an MCX was a few years ago. Hard to compare in this market. I bought the BRN 180 upper last summer then the lower which came in February. Still need to assemble the lower. I won't say the MCX and BRN180 are the same quality as I don't shoot enough to prove much of anything. I can say that the MCX has proven to not be very accurate. Yeah man I got myself a Canebrake that I converted to 5m56 a couple years back and then last year I got a brn180 gen 2 when it first came out. My MCX Rattler canebrake on 5.56 is extremely accurate for the 5.5" barrel. |
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Posted: 4/13/2021 12:25:50 AM EST
[#16]
Last range trip it seems there's one magazine this gun doesn't like. I suspect the bolt drags on the feedlips a little bit. We'll see if it runs OK at the next 2-gun match using different mags.
I also found the little rubber baby bumper on the left side interferes with coupled mags, which seems to contribute to failures. I like the way it shoots. It's pretty subjective but the recoil impulse seems very mild. |
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Posted: 4/15/2021 1:07:13 AM EST
[Last Edit: Removed_californian]
[#17]
 Range report to follow soonTM. On the topic, burnproof handguard wrap recommended or is there another brand you guys suggest? |
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Posted: 4/15/2021 8:11:57 AM EST
[#18]
Quote HistoryOriginally Posted By Removed_californian: https://i.imgur.com/MNhDalz.jpg Range report to follow soonTM. On the topic, burnproof handguard wrap recommended or is there another brand you guys suggest? My go to, they have slim and standard rail sizes https://wisemencompany.com/hotpocket-rail-wrap-slim-standard-w-m-lok/ |
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Posted: 4/15/2021 12:20:56 PM EST
[#19]
Quote HistoryOriginally Posted By 58Teague: My go to, they have slim and standard rail sizes https://wisemencompany.com/hotpocket-rail-wrap-slim-standard-w-m-lok/ Quote HistoryOriginally Posted By 58Teague: Originally Posted By Removed_californian: https://i.imgur.com/MNhDalz.jpg Range report to follow soonTM. On the topic, burnproof handguard wrap recommended or is there another brand you guys suggest? My go to, they have slim and standard rail sizes https://wisemencompany.com/hotpocket-rail-wrap-slim-standard-w-m-lok/ I’ve been waiting for those to get back in stock for a while for my BRN-180. |
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Posted: 4/19/2021 1:11:01 AM EST
[Last Edit: MacShauleyShaulkin]
[#20]
Any of yall running the suppressed setting?
I have an old gen 1 OSS suppressor on my 10.5 that is a relatively loud boat anchor. Looking to replace it with a lighter suppressor and really eying the Rex Silentium MG7k .224. to shave weight, length, and cost versus a newer OSS 556 ti. As a lefty, I'm quite concerned about gas to the face. With no changeable parts to the operating system to tune the bolt unlock time, I'd have to rely solely on the suppressed setting of the gas block. Right now with the OSS it won't cycle on the suppressed setting (understandable). |
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Posted: 4/22/2021 3:57:29 PM EST
[#21]
I've run my BRN180S almost exclusively suppressed from the start. It runs great with both my Silencerco Omega or YHM Turbo K on the suppressed setting. I rarely notice any gas to the face. My only issue is that it will only run reliably with 5.56. 223 causes it to short stroke.
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Posted: 4/22/2021 7:53:59 PM EST
[#22]
Quote HistoryOriginally Posted By MisterTwo: I've run my BRN180S almost exclusively suppressed from the start. It runs great with both my Silencerco Omega or YHM Turbo K on the suppressed setting. I rarely notice any gas to the face. My only issue is that it will only run reliably with 5.56. 223 causes it to short stroke. Is that with or without the supressor? |
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Posted: 4/22/2021 9:09:21 PM EST
[Last Edit: MisterTwo]
[#23]
Quote HistoryOriginally Posted By ahrion: Is that with or without the supressor? With a suppressor on the suppressed setting. |
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Posted: 4/22/2021 11:54:05 PM EST
[Last Edit: Removed_californian]
[#24]
Quote HistoryOriginally Posted By MisterTwo: With a suppressor on the suppressed setting. I had the exact same issue today. Would not cycle in the suppressed setting with my form 1 suppressor on it. I mean that’s fine and all Bc I can just use the unsuppressed setting, but it was definitely a little surprising. This was with imi 855 too. |
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Posted: 4/26/2021 2:16:45 PM EST
[#25]
Quote HistoryOriginally Posted By Removed_californian: I had the exact same issue today. Would not cycle in the suppressed setting with my form 1 suppressor on it. I mean that’s fine and all Bc I can just use the unsuppressed setting, but it was definitely a little surprising. This was with imi 855 too. It's bit concerning with it happening with m855. I will say my upper took a little while to break in before some of the issues cleared up. My short stroking happened with Geco 223 FYI. |
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Posted: 4/27/2021 4:41:25 AM EST
[Last Edit: Removed_californian]
[#26]
Quote HistoryOriginally Posted By MisterTwo: It's bit concerning with it happening with m855. I will say my upper took a little while to break in before some of the issues clear ed up. My short stroking happened with Geco 223 FYI. My form 1 suppressor is 6.5” and bored to 30 cal, so maybe it just has less back pressure? Either way I was super surprised when the gun wouldn’t cycle with the suppressor. Unsuppressed setting and it ran like a charm. |
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Posted: 4/27/2021 6:40:25 AM EST
[#27]
Quote HistoryOriginally Posted By Removed_californian: My form 1 suppressor is 6.5” and bored to 30 cal, so maybe it just has less back pressure? Either way I was super surprised when the gun wouldn’t cycle with the suppressor. Unsuppressed setting and it ran like a charm. The can is the issue, not enough back pressure for the unsuppressed setting |
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Posted: 4/27/2021 8:05:27 AM EST
[#28]
Quote HistoryOriginally Posted By Leonitus: The can is the issue, not enough back pressure for the unsuppressed setting Well I figured as much when it wouldn’t run in the suppressed setting but worked fine in the unsuppressed setting. |
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USA
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Posted: 6/15/2021 3:50:45 PM EST
[Last Edit: Moldymuffin]
[#29]
Posting here since this looks like the largest BRN-180 discussion and since the lower is of limited compatibility with uppers assume most of those interested in it will be 180 upper owners.
Got a BRN-180M lower (and upper). Selector detent hole on the lower was drilled off-center resulting in a very difficult to operate selector. Brownells gunsmiths confirmed that it is out-of-spec, replacement was offered. Never considered what happens if an FFL item is manufactured out-of-spec with regards to transfer fees, just thought whoever made it would stand by their product and make it right so that the customer that catches a hot potato doesn't end up paying more than if they hadn't received a manufacturing defect. They eventually offered to gift-card reimburse a portion of the fees but stopped short by a mere $37.19. A bit dispirited by the whole ordeal. So unless your local establishment has them in-stock to verify fitment of everything then it's something to consider if your state sucks with fees. End up paying twice.    
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Posted: 6/15/2021 4:56:34 PM EST
[Last Edit: mike_nds]
[#30]
Under federal law you can ship the lower directly back to them and a manufacturer can ship a warranty replacement directly to the customer.
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USA
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Posted: 6/15/2021 5:39:47 PM EST
[#31]
Is that if the replacement is the same serial number though, because the replacement in this case would be a different number, and crapifornia.
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Posted: 6/15/2021 6:39:01 PM EST
[Last Edit: mike_nds]
[#32]
The replacement receiver would have to be a different SN
Sorry, I don't know how CA handles that with the DROS. |
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Posted: 6/15/2021 8:23:13 PM EST
[#33]
I’d have done the trade even if I had to deal with the fees (I had a similar problem years ago with RRA and they shipped a whole new lower directly to my house with zero problems). In the grand scheme of things, when it comes to firearms, esp in CA, transfer fees aren’t even on the radar of things that would bother me.
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USA
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Posted: 6/16/2021 4:13:33 PM EST
[#34]
You all are right, I suppose I'm making too big a deal over it.
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Posted: 6/18/2021 12:35:25 AM EST
[#35]
Quote HistoryOriginally Posted By ahrion: Not sure if this has been mentioned, but it looks like the BRN180 bolt is a PWS 5.56 bolt w/ their bolt spring, which theoretically make any milspec bolt work in this, in addition to a milspec firing pin and retaining pin I'm not so sure about that. I went to slide my upper onto my Geissele AR-15 reaction rod to do some work, the splines wouldn't go into the barrel extension. something seemed dimensionally different. |
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Posted: 6/18/2021 5:05:21 PM EST
[#36]
Quote HistoryOriginally Posted By rpoL98: I'm not so sure about that. I went to slide my upper onto my Geissele AR-15 reaction rod to do some work, the splines wouldn't go into the barrel extension. something seemed dimensionally different. Quote HistoryOriginally Posted By rpoL98: Originally Posted By ahrion: Not sure if this has been mentioned, but it looks like the BRN180 bolt is a PWS 5.56 bolt w/ their bolt spring, which theoretically make any milspec bolt work in this, in addition to a milspec firing pin and retaining pin I'm not so sure about that. I went to slide my upper onto my Geissele AR-15 reaction rod to do some work, the splines wouldn't go into the barrel extension. something seemed dimensionally different. No, the BRN-180 bolt is not an AR15 compatible part. Nor is it compatible with the Original AR-180/AR-180B style bolts. It is it's own length/design. Dean just did some sweet engineering to make it fit in an AR length platform. 
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Posted: 6/18/2021 8:59:24 PM EST
[#37]
Quote HistoryOriginally Posted By mike_nds: No, the BRN-180 bolt is not an AR15 compatible part. Nor is it compatible with the Original AR-180/AR-180B style bolts. It is it's own length/design. Dean just did some sweet engineering to make it fit in an AR length platform. @mike_nds thanks for the confirmation, thought maybe i had a case of chronic misalignment and fumble-fingers at that time. glad I left it at that and didn't "try harder". |
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Posted: 6/19/2021 8:11:21 PM EST
[#38]
I would check with Brownells or PWS about the reaction rod use.
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Posted: 6/30/2021 8:15:07 PM EST
[Last Edit: jake-cutter]
[#39]
So trying to mount a Dead air muzzle brake on the 300 blk so I can use my Sandman. The jamb nut is all the way back and tight but when I time the muzzle brake and tighten, it moves a little throwing everything off. Do I tighten the jamb nut against the muzzle brake after timing like the original flash hider?
Also, are there replacement jamb nuts available as I do not see them on the site? |
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FL, USA
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Posted: 7/1/2021 9:19:57 AM EST
[#40]
Quote HistoryOriginally Posted By jake-cutter: So trying to mount a Dead air muzzle brake on the 300 blk so I can use my Sandman. The jamb nut is all the way back and tight but when I time the muzzle brake and tighten, it moves a little throwing everything off. Do I tighten the jamb nut against the muzzle brake after timing like the original flash hider? Also, are there replacement jamb nuts available as I do not see them on the site? The way jam nuts are normally used is to position the item as desired and then tighten the jam nut against it. |
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Posted: 7/1/2021 3:14:21 PM EST
[Last Edit: ahrion]
[#41]
Quote HistoryOriginally Posted By HWI: The way jam nuts are normally used is to position the item as desired and then tighten the jam nut against it. I've never heard of jam nuts to timed like that. I've always put the jam nut all the way back until it stops and then thread the muzzle device on and time the muzzle device and then bring the jam nut forward I ended up using the KBA Tavor SAR shoulder muzzle ring and then a precision armament accu-washer instead of the jam nut. I actually ended up using this for not just the BRN180 but the Tavor x95 as well. |
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FL, USA
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Posted: 7/6/2021 12:36:31 PM EST
[#42]
Originally Posted By ahrion: I've never heard of jam nuts to timed like that. I've always put the jam nut all the way back until it stops and then thread the muzzle device on and time the muzzle device and then bring the jam nut forward We are saying the same thing, I just left out putting the jam nut on first because I thought it goes without saying. |
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USA
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Posted: 8/4/2021 8:44:50 PM EST
[#43]
Is this alright? Was cleaning and noticed the ends of the spring on the piston are a bit smashed/distorted.
Only put 120 rounds through this upper as that's all I can afford right now   
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Posted: 8/4/2021 11:57:44 PM EST
[#44]
Quote HistoryOriginally Posted By Moldymuffin: Is this alright? Was cleaning and noticed the ends of the spring on the piston are a bit smashed/distorted. Only put 120 rounds through this upper as that's all I can afford right now https://live.staticflickr.com/65535/51358983385_7162523be4_c.jpg https://live.staticflickr.com/65535/51358702464_48cda2f094_c.jpg Non issue. Literally the only real use for the spring is to return the rod which reduces the amount of wear on the rod and the carrier where they interact. |
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Posted: 8/12/2021 7:00:20 PM EST
[#45]
Have a BRN180 lower enroute. Mulling over what upper to order.
Is there a consensus on which one provides the best accuracy? 10in 16in 18in ? |
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Posted: 8/13/2021 12:28:19 PM EST
[#46]
Just purchased the 10.5 with HK sight combo. Off to find the right stock, ummm brace solution…..
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Posted: 8/16/2021 12:26:11 PM EST
[#47]
I came on ARF today looking to make a post on my new BRN-180 gen 2 in 10.5" I do not post too much (relatively speaking) but it was worth my time to come on here and say that the BRN I just received over the weekend is the smoothest "AR style" rifle I have ever handled. I mean the literal smoothness of the action, hell you can feel it the moment you start to pull back on the charging handle.
very pleasantly surprised .... |
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Posted: 8/17/2021 7:25:34 AM EST
[#48]
So I’ve been hunting parts to complete my build. I really wanted a TF-1913 folding brace.
With all of the possible rulings on these in the near future they are nearly impossible to find at a decent price. In fact the Gunbroker order I placed said in stock and magically nearly all listings disappeared right after I got an OOS notification and auto cancellation of my order. To my surprise I decided to check PSA and low and behold they have the SB tactical TF-1913 in stock under their brand for their AK line. Not sure how long they will last but maybe it helps someone else out. |
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Posted: 8/19/2021 7:23:06 PM EST
[Last Edit: Evil_Ed]
[#49]
Quote HistoryOriginally Posted By Knoxp9090: Just purchased the 10.5 with HK sight combo. Off to find the right stock, ummm brace solution….. Wait - does the BRN-180 have a higher sight line, like the HK 416/MR556 and etc?? I happen to have a set of take-off HK416 fixed sights that I've been dying to find a home for...if they'll fit on this thing and be the correct height, then AWESOME! Of course then I'll have to find a shorter mount for the cheap red dot I've got on it, but I can burn that bridge when I get there Edit - holy crap, it works!! The sight line is just the right height for these things...finally, I can use them And they even lower-1/3rd co-witness with the cheap Sig red dot I threw on it as a placeholder for an Aimpoint PRO or something (later, when I have the money to spare). Awesome! Now to find the time and ammo to take this thing to the range and wring it out Before sights:  After (and new muzzle device) :    
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Posted: 8/21/2021 9:01:36 PM EST
[#50]
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