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TN, USA
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Posted: 8/21/2024 11:02:47 AM EDT
Here's my XM4 7.62x39 build, just like they never made em' in 1980.
Colt 7.62 M4 marked grey upper and Colt 1/12 heavy bbl. I cut the bbl down to 14.7 just in front of the markings and pinned and welded an A2 type flash hider and peel washer for 16.1". 80,% lower, laser engraved with what I think it might have looked like. Early shiney A2 grip. Uni-mag, multi caliber magazine, I like it because it looks normal and holds 28 rounds, and works well. Buttstock is the early coated metal type. It doesn't have a bayonet lug, but since Colt was experimenting with stuff at the time, I figure it could be legit. In the future, I'll probably turn down thr barrel for the grenade launcher recess, and swap out the FSB.   
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DEU
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Posted: 8/21/2024 11:30:50 AM EDT
[Last Edit: Gunslinger-Mike]
[#1]
I really like it!
One observation: Regarding the time frame of a XM4 wouldn't "COLT's MFG. CO. INC" be more correct? EDIT: I am wrong. Most likely it was "Colt's Firearms Division" back then. |
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Posted: 8/21/2024 1:13:50 PM EDT
[Last Edit: HipSh0T]
[#2]
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Posted: 8/21/2024 1:37:35 PM EDT
[#3]
I don't know what year they started making it, but in early 90's they made one of the neutered MT models in 7.62x39. No flash hider and pinched receiver. But it was very nice and completely reliable even with steel-case ammo.
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TN, USA
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Posted: 8/21/2024 3:48:10 PM EDT
[#4]
Quote HistoryOriginally Posted By Gunslinger-Mike: I really like it! One observation: Regarding the time frame of a XM4 wouldn't "COLT's MFG. CO. INC" be more correct? EDIT: I am wrong. Most likely it was "Colt's Firearms Division" back then. You're right, it probably wasn't Defense. I'll have to make another! Good catch! |
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PA, USA
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Posted: 8/21/2024 8:48:32 PM EDT
[#5]
Great build! Who engraved the lower?
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TN, USA
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Posted: 8/22/2024 1:07:21 PM EDT
[#6]
Quote HistoryOriginally Posted By SSTPAC: Great build! Who engraved the lower? A friend of mine with a laser engraver. I don't think you can send them off anywhere to get Colt stuff done. |
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DEU
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Posted: 8/23/2024 2:41:39 AM EDT
[#7]
From what I can tell by the pictures, the style and fonts are quite good the engraving is top-notch. Congrats on a job well done!
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Posted: 8/23/2024 4:05:35 PM EDT
[#8]
I like it.
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OH, USA
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Posted: 10/25/2024 10:18:06 PM EDT
[#9]
Who made that mag ??
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Posted: 10/25/2024 11:13:11 PM EDT
[#10]
Quote HistoryOriginally Posted By Kane419: Who made that mag ?? @Kane419 That's a Ross and Zheng mag, they were made with a special follower and were supposed to handle any caliber, 5.56, 5.45x39, 7.62x39, .300blk, .450 Bushmaster, 6.8SPC, and several others. I know mine was flawless with 5.56, 5.45, .300, and 7.62x39. I don't think they ever went into production though. |
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Posted: 10/26/2024 7:51:49 AM EDT
[#11]
Quote HistoryOriginally Posted By CA_TX-Cop: @Kane419 That's a Ross and Zheng mag, they were made with a special follower and were supposed to handle any caliber, 5.56, 5.45x39, 7.62x39, .300blk, .450 Bushmaster, 6.8SPC, and several others. I know mine was flawless with 5.56, 5.45, .300, and 7.62x39. I don't think they ever went into production though. They did go into production - but they moved slowly at the original (I think) $40 price point. A couple of years back the retailer blew them out at $10 a mag (picked up a dozen) and closed up shop. |
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Posted: 10/26/2024 8:40:20 AM EDT
[#12]
Quote HistoryOriginally Posted By CA_TX-Cop: @Kane419 That's a Ross and Zheng mag, they were made with a special follower and were supposed to handle any caliber, 5.56, 5.45x39, 7.62x39, .300blk, .450 Bushmaster, 6.8SPC, and several others. I know mine was flawless with 5.56, 5.45, .300, and 7.62x39. I don't think they ever went into production though. Quote HistoryOriginally Posted By CA_TX-Cop: Originally Posted By Kane419: Who made that mag ?? @Kane419 That's a Ross and Zheng mag, they were made with a special follower and were supposed to handle any caliber, 5.56, 5.45x39, 7.62x39, .300blk, .450 Bushmaster, 6.8SPC, and several others. I know mine was flawless with 5.56, 5.45, .300, and 7.62x39. I don't think they ever went into production though. Zheng was a member here. They did go into production, and the Gen 1 was too wide/long for magwells. Gen 2 fixed that and is a fine mag. Damn shame they stopped production, hope they sell the patent. |
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Posted: 10/26/2024 9:32:12 AM EDT
[#13]
Quote HistoryOriginally Posted By vmpglenn: They did go into production - but they moved slowly at the original (I think) $40 price point. A couple of years back the retailer blew them out at $10 a mag (picked up a dozen) and closed up shop. Wow, I don't know how I missed that, I would have easily bought a dozen too. Busy with life at the time, I guess. |
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Posted: 10/26/2024 10:03:51 AM EDT
[#14]
Quote HistoryOriginally Posted By CA_TX-Cop: Wow, I don't know how I missed that, I would have easily bought a dozen too. Busy with life at the time, I guess. Yeah, for every 1 time I get in on a deal I miss 10, easily. I use my Unimags in a mashup XM177 in 7.62x39...  
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OH, USA
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Posted: 10/27/2024 10:59:29 PM EDT
[#15]
@CA_TX-Cop thank you , that's awesome. Completely went under my radar.
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Posted: 10/28/2024 6:11:06 PM EDT
[#16]
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TN, USA
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Posted: 10/29/2024 8:34:08 AM EDT
[#17]
Ha!, no. I also built this one in 7.62x39:
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