• 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 .223/5.56 16"  stainless steel fluted samson evo keymod bull upper assembly. CA and NY compliant.

Barrel - 16" 416 stainless steel straight fluted bull contour barrel. Hardened to 26-32 rc and stress releived. Chambered in 5.56 nato 1-9 rh twist. Button rifled. .936 under gas block. Straight fluted. Target crowned. M4 feedramps.

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

Gas system - .936 low profile steel gas block. Carbine length gas system.

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

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