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The Gun Store | Waterbury CT

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SilencerCo ASR Muzzle Brake 5/8×32 .458 Cal

April 13, 2026
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Nobel Sport 410 M Shotshells .410 ga 3″ 11/16 oz 1145 fps #4 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

4 in stock

SKU: TSW|3186 Category:

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"