ASK AN EXPERTDescription
- 4140 CrMo steel barrel
- M4 Profile barrel
- Single stage mil-spec style trigger
- Forged 7075-T6 receiver
- Black Finish
CMMG Complete Upper, 9MM, 16in Barrel, Flat Top, A2 Front, (90B1AA2)
CMMG's basic rifle, the Mk4LE features a nitrided 16.1″ 4140 CrMo steel barrel in a M4 profile. The standard configuration includes a “F” marked front sight base.
Warranty Information
| Caliber | 9mm |
| Barrel | 16.1", 1:10 twist, M4 profile, 4140CM, SBN |
| Muzzle | A2 comp., threaded 1/2-36 |
| Hand Guard | M4 type 2-piece hand guards |
| Receiver | Forged 7075-T6 AL M4 type upper |
| Trigger | Single stage mil-spec style trigger |
| Length (Stock Collapsed), in | 32" |
| Weight (Unloaded), lbs | 6.2 |
