.458 SOCOM 8″ Micro Complete Assembled Upper – Right Handed



Ejection Port Cover

Upgrade Handguard (Optional)

Gas Block

Upgrade Muzzle Devise (Optional)

Charging Handle



SKU: 458-MCRO-CAU-RH Category:


Ready to fire on your lower receiver. Available with Black or Stainless options.
Base model includes 8″ black barrel, 1:14 twist, muzzle threaded 5/8-24, black flash hider, black gas block, bolt/carrier, charging handle, with old-school round free float tube hand gaurd.

Upgrade your SCM18-Micro with the MI-G3 M-Lok hand guard.

All Tromix uppers are test fired prior to shipping.