The Gun Store | Waterbury CT

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Sig Sauer Supersonic CTT Rifle Ammunition .300 AAC Blackout 125 gr 2145 fps 20/ct

April 29, 2026
167563

Olightstore Usa Inc I3EBK i3E EOS Black Anodized 90 Lumens White LED

April 29, 2026

CMMG 55A520BMB Dissent BR4 5.56x45mm 10+1 16.10″ Black Nitride Threaded Barrel, Midnight Bronze Cerakote Aluminum Receiver w/Picatinny Rail, M-LOK Handguard, Magpul Fixed Black Polymer Stock

$1,910.81

CMMG 55A520BMB Dissent BR4 5.56x45mm 10+1 16.10″ Black Nitride Threaded Barrel, Midnight Bronze Cerakote Aluminum Receiver w/Picatinny Rail, M-LOK Handguard, Magpul Fixed Black Polymer Stock

9 in stock

SKU: TSW|182968 Category:

The 16″ Br4 chambered in 5.56x45mm still stands as one of the most popular calibers. If youre looking to shoot suppressed or just fine tune your DISSENT to your preferred ammo, the adjustable gas block gives you the freedom to dial in the gas system exactly to your liking. Includes two Magpul PMAG magazines.

UPC

840442500177

Manufacturer

CMMG

Manufacturer Part Number

55A520BMB

Barrel Length

16.10"

Caliber/Gauge

.223 REM/5.56 NATO

Capacity

10 + 1

Rate of Twist

1:7"

Safety

Reversible Crossbolt