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Some people have asked about the 634. It is indeed a semi version of the 635, however the semi trigger mech is installed in a full auto capable lower (ie, sear hole has been drilled). I do believe that it comes marked with safe and semi, but no auto to reflect this. We have a few in Canada where it's not considered a machine gun because it was never assembled as a full auto to begin with. Wish I could find one but the scarcity is reflected in the price whenever they do pop up.
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Some people... Hey Leg - where you been??? I just threw out your email address 'cause I thought you were dead... |
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Exactly...That aluminum nut will have to be indexed to fit the gas tube (on other than 9mm uppers)... I wouldn't expect this to be an issue? I mean, there usually isn't a gas tube on 9mm uppers? |
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That looks fabulous Mark!
Ya, the flange might be a bit thick. As for the slots, it's hard to tell, but 1/8" sounds good, they look pretty thin, and look like they stay contained within the flat area of the back side of the flange. i.e. they don't look like they ride up the curvature at all. So however that seems to work out would seem right to me. |
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to me the flange of the handguard in the B&W pics looks like it's a full radius, not just radiused on the edges, that may be why it looks thinner...just a thought
awesome work by the way |
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http://i98.photobucket.com/albums/l260/my65pan/000_1692.jpg http://i98.photobucket.com/albums/l260/my65pan/000_1695.jpg that is going to look awesome once it's anodized |
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I'm not a fan of modern art, but this puppy should be featured in the MOMA!
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Glorious! should it be black or grey? what color receivers are you planning on using? I'd match the HG to the receiver's color |
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Well, at the moment I only have 1 colt 9mm Upper, which is Black.
But that's got my normal DOE barrel/sight assembly on it. |
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then I would definitely go gray with this one...just to give it an early build look
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then I would definitely go gray with this one...just to give it an early build look I'm with crackedcornish, I'd go with gray also. |
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What a great thread!
That handguard is turning out great! Quoted:
My DOE is a gas-operated 5.56mm shorty...I expect that some others would prefer that over converting to 9mm... http://i23.photobucket.com/albums/b390/FrogBait4/DOE/556pistol4.jpg I'll bet that's a fun little blaster! |
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Some people... Hey Leg - where you been??? I just threw out your email address 'cause I thought you were dead... Just finished up a seven month stint in Afghanistan. Got a couple of C8 photos for you guys when I get a chance, guy had an Acog and triad mount on it unfortunately. ETA: Great looking handguard. Some pretty cool projects on here the last year. |
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Mark...3/16" slots would look better...
It's definitely something that Marvin the Martian would approve of... |
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Ya there are a few around with ridiculous price tags. Hence, they're still around. . .
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Hey guys, I remember in one of the older DOE/633 threads, someone posted a good profile view of an unmounted DOE barrel, with dimensions. Anyone know where it is? My search-fu seems to be weak tonight.
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That looks sweet! I'd just put a FH on it to protect the threads for now. Whoopiewagon and I were discussing a few ideas regarding the FSB, but we haven't gotten together yet to pursue it. We'll make two of whatever we come up with though.
Edit: What is the diameter of the shoulder just behind the threads, and what are the threads? I'll see what I can do. |
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http://farm6.static.flickr.com/5014/5434955196_e6db292588_o.jpg It's a standard DOE barrel, marked "C MP CB" and "9mm" I got it off the EE a month or two back. The guy before me had Adco thread it :::facepalm::: My regular Ar FHs fit on the barrel, so it's 1/2x28tpi. That's a good thing in this case, I have a 1/2"-28 tap. I'll take your sketch and see what I can do. Do you want the cap to cover just the threads, or cover the .625 shoulder also to bring everything to .750 diameter? |
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In the long run I want the straight front sight pinned to the .625 section like is shown in the Black Rifle images I posted earlier.
I'd love to have a thread protector that's .625" OD, comes out around the front of the barrel slightly, and just looks like the original barrel would have. (no knurling or anything) But for now I'll just put a FH on there. |
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I thought the FSB was supposed to clamp on with this version?
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But for now I'll just put a FH on there. If you do this please make sure you don't use a 5.56 FH! I'd hate to see what would happen if someone accidentally tried to fire a 9mm round through one. |
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Clamp on? Looks pinned with one horizontal pin, just like the usual DOE sight to me.
Lol. I just meant for storage. Not planning to shoot until I figure out a front sight. and if I did, I hope I'd remember. Btw Mark, what was it I was supposed to do to the threads before mounting the HG? Was I supposed to lube them or something? Thanks again |
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Clamp on? Looks pinned with one horizontal pin, just like the usual DOE sight to me. Lol. I just meant for storage. Not planning to shoot until I figure out a front sight. and if I did, I hope I'd remember. Btw Mark, what was it I was supposed to do to the threads before mounting the HG? Was I supposed to lube them or something? Thanks again R0630 right? Says clamp on in the specs. I still wouldn't put a 5.56 FH on a 9mm barrel, even for storage. There's just too much of a chance for an accident. A little anti-sieze on the threads wouldn't hurt, grease will do. I'd give the HG a good tug with a strap wrench also, hand tight on a barrel nut just doesn't sound like enough to me. |
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WIth some of the talent here; I am amazed that ARFCOM has not become a gun industry unto itself...
ARFCOM Armaments... Hmmm; I like the sound of it... |
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Huh, I'm just looking at the pic from BRII and it looks like there's a pin. But maybe it's a set screw or something? http://farm5.static.flickr.com/4127/5191556910_6c7a875e39_o.jpg Anyway, here's what I see when I look at the above picture from BRII: http://farm6.static.flickr.com/5100/5434858355_d5a434db45_o.jpg I feel like it's got the standard A1/A2 FSB Front Profile, tapering towards the top. But that shape is extruded straight back 0.500" instead of having the standard FSB shape. That's pretty much what I came up with. I used an A1 FSB for general measurements, only a little wider at the top. The pic looks like its wider but not by much and I thought it may make it easier to make. I have 2 blocks of steel .5"x 1" with the pattern scribed on one of them. Just need to get with Mark to see about making it happen. The pic looks like it's a pin on but it would be east to split the bottom and make it a clamp on for ease of installation and disassembly if need be. I'm not concerned with making it just like the one in the pic. I just want something that works as a front sight and looks close. It was a prototype anyway so I don't think making it a clamp on will take away from the build. Whoopie |
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This is turning out really nice! Congrats! Hope you can get the front sight made up (I'm sure you will .)
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Huh, I'm just looking at the pic from BRII and it looks like there's a pin. But maybe it's a set screw or something? http://farm5.static.flickr.com/4127/5191556910_6c7a875e39_o.jpg Anyway, here's what I see when I look at the above picture from BRII: http://farm6.static.flickr.com/5100/5434858355_d5a434db45_o.jpg I feel like it's got the standard A1/A2 FSB Front Profile, tapering towards the top. But that shape is extruded straight back 0.500" instead of having the standard FSB shape. It is a pin- the 'original' DOE guns also use a single taper pin to hold their FSB on. |
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Ya, I think we're on our own at this point. I guess I'd lean toward pin, just because that's what I see in the only image I have of such a gun, vs. a table with some facts that we have already questioned.
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I was just going by this chart that was posted earlier in the thread, it shows the variant with the one piece, free float HG as having a clamp on FSB. A pin on would be easier to do as far as actually machining the FSB though. http://farm6.static.flickr.com/5048/5223005104_502074d65f_b.jpg The real question is where is the chart from? There are a lot of sources out there with not fully accurate info. Honestly, I don't think any of use are ever going to see one in real life, so pin or clamp- either way it is going to look like the pic posted. [eta] compare the pin location to the barrel- it might be viewable as to whether the barrel diameter has the 'pin' passing through it, or if it is a clamping screw mounted below. I still vote pin. |
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I still vote pin. I'm with you brother! Way easier, and more practical. |
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Parts kit on GB
http://www.gunbroker.com/Auction/ViewItem.aspx?Item=216041965 |
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