.375 SOCOM Complete Assembled Upper


Ejection Port Cover – Optional

Select Handguard – Mandatory *

Gas Block – Optional

Upgrade Muzzle Devise – Optional


SKU: 375-CAU-RH Category:


As of January 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 17″ and 21″ barrel lengths, stainless steel only, .875″ gas block journal, 1:12 twist, muzzle threaded 5/8-24.