.375 SOCOM Complete Assembled Upper


Ejection Port Cover *

Select Handguard *

Gas Block *

Upgrade Muzzle Devise *

Receiver *

Charging Handle *

SKU: 375-CAU-RH Category:


As of June 2024, allow 5-10 days for this item to be built and shipped.

Comes standard with 6061 M4 style upper receiver, stainless barrel, flash hider, black carbon steel gas block, bolt/carrier and charging handle. Ready to fire on your lower. This unit comes standard with a Flash Hider but you may choose to Install a Muzzle Brake or Radial Comp instead of the standard Flash Hider.  Optional heavy duty Tromix 7075 billet upper receiver is also available.

Available in 10.5″ (carbine gas system 1:10 twist), 17″ and 21″ barrel lengths with mid-length gas systems 1:12 twist, .750″ gas block journals, and 5/8-24 muzzle thread.