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QDSS-NT4 Pic Thread (Page 4 of 5)

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5/30/2025 9:10:39 AM EDT
[#1]
Attached File
5/30/2025 2:07:02 PM EDT
[#2]
2nd Battalion 9th Marines Echo Company

3rd Battalion 8th Marines India Company
5/31/2025 12:52:53 PM EDT
[#3]
Those are sweet!

This page is off to a good start.

6/1/2025 10:00:36 PM EDT
[#4]


2nd Battalion 9th Marines Echo Company

3rd Battalion 8th Marines India Company
6/1/2025 10:02:53 PM EDT
[#5]
Quote History
Originally Posted By MNRidesHonda:


https://i.imgur.com/2Wxkihr.jpeg
View Quote

so much win in one picture
Donald Trump is President, January 20, 2025. America's path forward will be epic.
6/2/2025 7:11:01 AM EDT
[#6]
6/2/2025 7:14:18 AM EDT
[Last Edit: jBoy723][Edited] [#7]






6/8/2025 9:13:08 PM EDT
[#8]
Donald Trump is President, January 20, 2025. America's path forward will be epic.
6/9/2025 1:40:58 AM EDT
[#9]


2nd Battalion 9th Marines Echo Company

3rd Battalion 8th Marines India Company
6/9/2025 6:15:20 AM EDT
[#10]
Quote History
View Quote



6/9/2025 6:44:02 AM EDT
[#11]
Quote History
View Quote


Mmmm
Donald Trump is President, January 20, 2025. America's path forward will be epic.
6/10/2025 7:49:33 PM EDT
[Last Edit: StealthGuy][Edited] [#12]
Attached File


Also swapped out the KAC ambi above with another KAC ambi but more cooler.
Attached File

Attached File


6/14/2025 2:10:07 PM EDT
[#13]
6/14/2025 2:56:28 PM EDT
[#14]
6/14/2025 3:38:37 PM EDT
[#15]
Quote History
Originally Posted By TNW:
https://i.imgur.com/IRHRdmD.jpeg
View Quote

God will not look you over for medals, diplomas, or degrees – but for scars
6/14/2025 5:06:23 PM EDT
[#16]
Originally Posted By Eyekahn:
https://i.imgur.com/cqaV2hW.jpeg
View Quote

Originally Posted By TNW:
https://i.imgur.com/IRHRdmD.jpeg
View Quote


So much mojo between these 2.
Donald Trump is President, January 20, 2025. America's path forward will be epic.
6/16/2025 6:52:14 PM EDT
[#17]
6/17/2025 9:08:16 AM EDT
[#18]
Attached File
6/21/2025 8:40:06 PM EDT
[#19]
- Freedom is not Free.
- LunchBox 1 and 2 Crew
7/11/2025 11:35:25 AM EDT
[#20]
Quote History
Originally Posted By jBoy723:
https://i.imgur.com/SXB9dzv.jpeg
View Quote

All Taupe everything

I need a Taupe NT4 to complete the look. Anyone know what happened to the NT4 MAMS?
7/14/2025 7:48:18 PM EDT
[#21]
7/27/2025 12:09:02 AM EDT
[#22]


Donald Trump is President, January 20, 2025. America's path forward will be epic.
8/2/2025 10:05:08 PM EDT
[Last Edit: jBoy723][Edited] [#23]



- Freedom is not Free.
- LunchBox 1 and 2 Crew
8/7/2025 7:06:25 PM EDT
[#24]
Donald Trump is President, January 20, 2025. America's path forward will be epic.
8/27/2025 6:35:40 PM EDT
[#25]
Approval came in for my taupe NT4 that I got from Rooftop Defense, I haven't been able to post pictures from Imgur anymore. I've got three rifles with a Surefire 4 prong that house my RC2, I'll be replacing one of those with the supplied NTF flash hider and maybe another.
8/27/2025 8:26:27 PM EDT
[#26]
8/27/2025 8:36:13 PM EDT
[#27]
Quote History

nice corn cob
Be killing sin or sin will be killing you. -John Owen
8/27/2025 10:20:00 PM EDT
[#28]
Quote History
Originally Posted By M4ger:

nice corn cob
View Quote

Needs moa butta
8/29/2025 8:26:29 AM EDT
[#29]
8/29/2025 7:20:15 PM EDT
[#30]
Attached File


Attached File
8/30/2025 12:40:48 AM EDT
[#31]
Quote History
Originally Posted By jBoy723:
https://i.imgur.com/SXB9dzv.jpeg
View Quote


I've got a legacy taupe rifle that is just begging for one of these.  I have a feeling next week is going to be expensive.  Great combo you have there.  How well does it play with the legacy gas system?
8/30/2025 10:57:42 AM EDT
[#32]
Quote History
Originally Posted By Elvis121:


I've got a legacy taupe rifle that is just begging for one of these.  I have a feeling next week is going to be expensive.  Great combo you have there.  How well does it play with the legacy gas system?
View Quote


They work well, Elvis.

I know you were quoting jBoy's rig, just offering the experience I've had with my legacy guns too.

I've found they really want to be bumped to an H buffer on 16" gassers.  When Geno was making my armory grow with barrel/BCG/gas tube sets years ago, I ended up putting a bunch of E3 guns together using rifle URX3s and various manufacturer's receivers (Noveske, ADM, LMT, etc.)

I ended up buying a bunch of tungsten buffer weights to tune them with, and to know that I had put a tungsten weight into the buffer, I put a blue bumper pad on to close up the assembly.

You can see the ejection pattern here.




Those are 2 separate shots on target, and by virtue of when I pulled the trigger, you can see how fast the BCG is moving at extract/eject and where the spent case is in flight when the BCG goes back into battery.

I hope this helps
Be killing sin or sin will be killing you. -John Owen
9/1/2025 5:30:01 AM EDT
[#33]
Quote History


Hell yea!
9/1/2025 1:04:28 PM EDT
[#34]
An outing was commenced today.








much steel.
pings galore.
Be killing sin or sin will be killing you. -John Owen
9/7/2025 11:05:37 PM EDT
[#35]





2nd Battalion 9th Marines Echo Company

3rd Battalion 8th Marines India Company
9/16/2025 10:53:23 PM EDT
[#36]
Quote History
Originally Posted By M4ger:


They work well, Elvis.

I know you were quoting jBoy's rig, just offering the experience I've had with my legacy guns too.

I've found they really want to be bumped to an H buffer on 16" gassers.  When Geno was making my armory grow with barrel/BCG/gas tube sets years ago, I ended up putting a bunch of E3 guns together using rifle URX3s and various manufacturer's receivers (Noveske, ADM, LMT, etc.)

I ended up buying a bunch of tungsten buffer weights to tune them with, and to know that I had put a tungsten weight into the buffer, I put a blue bumper pad on to close up the assembly.

You can see the ejection pattern here.

https://live.staticflickr.com/4549/37711392674_d3ac4d8843_b.jpg
https://live.staticflickr.com/4562/38426142621_8e99b9d0cb_b.jpg

Those are 2 separate shots on target, and by virtue of when I pulled the trigger, you can see how fast the BCG is moving at extract/eject and where the spent case is in flight when the BCG goes back into battery.

I hope this helps
View Quote View All Quotes
View All Quotes
Quote History
Originally Posted By M4ger:
Originally Posted By Elvis121:


I've got a legacy taupe rifle that is just begging for one of these.  I have a feeling next week is going to be expensive.  Great combo you have there.  How well does it play with the legacy gas system?


They work well, Elvis.

I know you were quoting jBoy's rig, just offering the experience I've had with my legacy guns too.

I've found they really want to be bumped to an H buffer on 16" gassers.  When Geno was making my armory grow with barrel/BCG/gas tube sets years ago, I ended up putting a bunch of E3 guns together using rifle URX3s and various manufacturer's receivers (Noveske, ADM, LMT, etc.)

I ended up buying a bunch of tungsten buffer weights to tune them with, and to know that I had put a tungsten weight into the buffer, I put a blue bumper pad on to close up the assembly.

You can see the ejection pattern here.

https://live.staticflickr.com/4549/37711392674_d3ac4d8843_b.jpg
https://live.staticflickr.com/4562/38426142621_8e99b9d0cb_b.jpg

Those are 2 separate shots on target, and by virtue of when I pulled the trigger, you can see how fast the BCG is moving at extract/eject and where the spent case is in flight when the BCG goes back into battery.

I hope this helps



Sorry for the late reply but will echo what M4ger stated with regards to both the Legacy SR15 and NT4 working well especially given the fact that I'm a lefty and have had my fair share of excessively gassed set ups in the past. I will say that I personally upgrade to an H2 buffer in all my rifles that will run suppressed and even without the NT4, the Legacy SR15 runs bulk 55gr just fine.


- Freedom is not Free.
- LunchBox 1 and 2 Crew
9/26/2025 10:41:54 PM EDT
[#37]
I gotta quit looking at these threads.

Ordered a taupe NT4 and a 7.62 QDC CQB that should deliver to my dealer tomorrow.  Hopefully I can make it over and get the paperwork done soon to get the wait started.  Last couple were a month or so and the absolute last one was something like a week on a trust with two RP's.

I'll probably mount the NT4 on a legacy taupe SR15, although I think it'll eventually end up on an SBR I'm planning to get.

Anyway, thanks to everyone who posted a pic in this thread for the inspiration I needed to keep my wallet from getting too heavy.

9/27/2025 12:08:05 AM EDT
[#38]
Quote History
Originally Posted By Elvis121:
I gotta quit looking at these threads.

Ordered a taupe NT4 and a 7.62 QDC CQB that should deliver to my dealer tomorrow.  Hopefully I can make it over and get the paperwork done soon to get the wait started.  Last couple were a month or so and the absolute last one was something like a week on a trust with two RP's.

I'll probably mount the NT4 on a legacy taupe SR15, although I think it'll eventually end up on an SBR I'm planning to get.

Anyway, thanks to everyone who posted a pic in this thread for the inspiration I needed to keep my wallet from getting too heavy.

View Quote

good call!
Be killing sin or sin will be killing you. -John Owen
9/28/2025 10:25:03 PM EDT
[#39]
Quote History
Originally Posted By Elvis121:
I gotta quit looking at these threads.

Ordered a taupe NT4 and a 7.62 QDC CQB that should deliver to my dealer tomorrow.  Hopefully I can make it over and get the paperwork done soon to get the wait started.  Last couple were a month or so and the absolute last one was something like a week on a trust with two RP's.

I'll probably mount the NT4 on a legacy taupe SR15, although I think it'll eventually end up on an SBR I'm planning to get.

Anyway, thanks to everyone who posted a pic in this thread for the inspiration I needed to keep my wallet from getting too heavy.

View Quote



Nice!! I love my 762QDC/CQB. I also have a 762CRS and a 5.56 CQB. Definitely top of the list for favorite cans in the collection.


- Freedom is not Free.
- LunchBox 1 and 2 Crew
10/25/2025 9:40:06 PM EDT
[#40]
That taupe NT4 really is a good match on a taupe legacy rifle.

I'll have to get to the range now to break it in.  Figure out if I need to swap buffers or anything.

10/26/2025 9:28:58 AM EDT
[#41]
Quote History
Originally Posted By Elvis121:
That taupe NT4 really is a good match on a taupe legacy rifle.

I'll have to get to the range now to break it in.  Figure out if I need to swap buffers or anything.

https://www.ar15.com/media/mediaFiles/70083/1000013690-3647956.jpg
View Quote

Really nice rig, Elvis.
Be killing sin or sin will be killing you. -John Owen
11/3/2025 7:40:58 PM EDT
[#42]
Quote History
Originally Posted By Elvis121:
That taupe NT4 really is a good match on a taupe legacy rifle.

I'll have to get to the range now to break it in.  Figure out if I need to swap buffers or anything.

https://www.ar15.com/media/mediaFiles/70083/1000013690-3647956.jpg
View Quote


Very cool. Mine will have to share a black PRG with my Mod
2 for the time being but I did get this. Figured a 3d printed 3T would pair well with the 3d printed NT4.  Not as cool as the OG tripple tap but the price was right, especially considering the only other mounting option is a basic A2 with a chunk cut out of it for $100+

11/5/2025 2:32:16 PM EDT
[#43]
3T installed, ready for some accuracy testing.




12/16/2025 9:08:38 PM EDT
[#44]


NT-4 PRG on 93048, KAC gas block

FN lower has a KAC trigger guard.

Full rifle picture not yet taken.
Be killing sin or sin will be killing you. -John Owen
12/17/2025 1:48:55 AM EDT
[#45]
Quote History
Originally Posted By M4ger:
https://www.ar15.com/media/mediaFiles/401845/1000000811-3676733.jpg

NT-4 PRG on 93048, KAC gas block

FN lower has a KAC trigger guard.

Full rifle picture not yet taken.
View Quote

Nice! I really like the PRG. Only issue I’ve encountered is with the taupe rifle posted above. The POI shift is wild, like 2 feet up and left. On my 14.5” mod 2 it’s about an inch.
12/17/2025 2:28:07 AM EDT
[#46]
Quote History
Originally Posted By Mblades:

Nice! I really like the PRG. Only issue I’ve encountered is with the taupe rifle posted above. The POI shift is wild, like 2 feet up and left. On my 14.5” mod 2 it’s about an inch.
View Quote View All Quotes
View All Quotes
Quote History
Originally Posted By Mblades:
Originally Posted By M4ger:
https://www.ar15.com/media/mediaFiles/401845/1000000811-3676733.jpg

NT-4 PRG on 93048, KAC gas block

FN lower has a KAC trigger guard.

Full rifle picture not yet taken.

Nice! I really like the PRG. Only issue I’ve encountered is with the taupe rifle posted above. The POI shift is wild, like 2 feet up and left. On my 14.5” mod 2 it’s about an inch.

Thank you.

I took some basic shots of it tonight.

Be killing sin or sin will be killing you. -John Owen
1/31/2026 9:03:09 AM EDT
[#47]


A transferable MK18 Mod0 I bought from a Colt executive many years ago (13-14ish). Bought 4 m16s from him at the time. Still have all of the others NIB, but I shoot this one because I couldn't resist.
1/31/2026 9:49:54 AM EDT
[#48]
Quote History
Originally Posted By The-Snail:
https://i.imgur.com/qrC7yNG.jpg

A transferable MK18 Mod0 I bought from a Colt executive many years ago (13-14ish). Bought 4 m16s from him at the time. Still have all of the others NIB, but I shoot this one because I couldn't resist.
View Quote


how am I supposed to get drool off my keyboard so early in the A.M.

nicely done Sir.

That is a legit cool gun.
Be killing sin or sin will be killing you. -John Owen
1/31/2026 12:54:27 PM EDT
[#49]
Quote History
Originally Posted By The-Snail:
https://i.imgur.com/qrC7yNG.jpg

A transferable MK18 Mod0 I bought from a Colt executive many years ago (13-14ish). Bought 4 m16s from him at the time. Still have all of the others NIB, but I shoot this one because I couldn't resist.
View Quote


The pile of trash background really sets it off.
1/31/2026 4:47:48 PM EDT
[Last Edit: The-Snail][Edited] [#50]
Thanks fellas. I'll do a historical video of it on my channel later this year. Of all my machine guns, this is my favorite. They say you should never meet your hero's, but that's not the case here. I always had a soft spot for MK18 mod 0's so I jumped on it when I had the opportunity. It is supposedly one of three in this configuration on the registry. It was actually manufactured by Colt in 2008, but it's fully transferable. The CEO level executive registered (by Colt) FA m16 serial numbers in 1985.  23 years later he told the production line to run the list of 1985 registered SN numbers and use A2 die stamps. The ATF let it slide because the guns never transferred out of the manufacture's name/factory, though I'm sure they weren't to happy about it. Its essentially an A2 marked, auto stamped (instead of burst) modern day spec M4 forged lower.

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QDSS-NT4 Pic Thread (Page 4 of 5)

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