Here's my M4A1 clone. EDIT: Actually just an M4 clone as I just learned. Always thought the flat top upper came in with the A1 upgrade but apparently that was an XM4 to M4 change.
Nothing fancy but it fills a niche in the collection. It is SBR'd, even though that seems ridiculous for the negligible difference in length with a pin and weld.
The lower is pretty straightforward PSA M4A1 marked, with a basic PSA lower parts kit, a fat F3-marked A2 grip, a Mil Spec carbine buffer tube from Luth AR, and a surplus M4 waffle stock with rack number. There’s no cage code on the stock so I suspect it’s actually police surplus, not military surplus. Maybe off of a Bushmaster? I’m calling it close enough, though.
The upper came from my parts box, and has a Luth AR ejection port door assembly, and a round forward assist from my parts box. The carry handle is a GI surplus one that I picked up in a trade a while back. The bolt carrier group is a chrome lined, phosphate Microbest Mil-Spec carrier that I got from AR15Discounts.
The 14.5 inch, 1:7 twist M4 profile barrel and A2 flash hider are from Luth AR and again the A2 front sight is from MA Parts. The carry handle had the complete rear sight assembly already. The handguards are double heat shield M4 ones from my parts box that came from some trade or another.
I added the sling swivel after I did these pics and had the right rivets.
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