• Buffer Tube - Commercial or Mil Spec? Sep 28, 2015 Of all the parts of an AR15, the one part that is not standardized is the buttstock buffer tube. At first you would think the difference is just the diameter..

AR-15 5.56/.223 16" mid-length samson evolution keymod upper assembly, designed exclusively by Moriarti Armaments. Chambered in 5.56 nato (also accepts .223 rounds). 1-8 rh twist.

Barrel - 16" 416 stainless steel gov. Contour barrel. Hardened to 26-32 rc and stress releived. Button rifled. .750 under gas block. Stainless steel muzzle brake and stainless steel crush washer. M4 feedramps.

A3 flat top upper reciever - made from certified 7075-t6 aluminum forgings. Black hardcoat anodized coated to gov. specs. Forward assist and dust cover installed. M4 feedramps.

Gas system -  .750 low profile gas block made from aircraft quality aluminum and black hardcoat anodized. Mid length gas tube.

Handguards - free floating 12" samson evolution keymod handguard. Made from aircraft quality aluminum and black hardcoat anodized. Comes with 3 rail sections that can be added at the 3, 6, and 9 o'clock positions.

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