SilencerCo ASR Muzzle Brake 5/8×32 .458 Cal
April 13, 2026
Nobel Sport Heavy Game Shotshells 20 ga 2-3/4″ 1 oz 1250 fps #7.5 25/ct
April 13, 2026
CMMG 55DE10A Barrel Sub-Assembly 5.56x45mm NATO 16.10″ Black Nitride Finish 4140 Chromoly Steel Material Carbine Length with M4 Profile for AR-15
$212.03
CMMG 55DE10A Barrel Sub-Assembly 5.56x45mm NATO 16.10″ Black Nitride Finish 4140 Chromoly Steel Material Carbine Length with M4 Profile for AR-15
1 in stock
CMMG’s Barrel Sub-Assembly is ideal for building your custom AR-15 upper group. It comes with properly installed M4 barrel extension.
| UPC | 815835014067 |
|---|---|
| Manufacturer | CMMG |
| Manufacturer Part Number | 55DE10A |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Length | 16.10" |
| Model | Barrel Sub-Assembly |
| Product Type | Rifle |
| Rate of Twist | 1:7" |
