“Proof Research 100523 AR-Style Barrel 300 Blackout 12.50″ Pistol Length Gas System 1:8″ Twist 5 Grooves, 5/8-24 tpi, Carbon Fiber Wrapped” has been added to your cart. View cart

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April 26, 2026CMMG 22D7C6C Replacement Barrel Kit with Bolt Carrier Group, 22 LR 16.10″ Threaded, Black Nitride Chromoly Steel, Fits AR-15/Mk4
$352.86
CMMG 22D7C6C Replacement Barrel Kit with Bolt Carrier Group, 22 LR 16.10″ Threaded, Black Nitride Chromoly Steel, Fits AR-15/Mk4
1 in stock
SKU: TSW|158960
Category: AR Barrels
Everything you need to convert your existing upper to a dedicated .22LR. Just purchase a magazine and you are ready to go. For best performance use a round style hammer as notched hammers can cause function issues and 36 grain plated nose bullets have proven to be the best choice for function.
| UPC | 815835013985 |
|---|---|
| Manufacturer | CMMG |
| Manufacturer Part Number | 22D7C6C |
| Barrel Length | 16.1'' |
| Length | 16.10" |
| Model | Replacement Barrel |
| Rate of Twist | 1:16" |
| Shipping Weight | 2.54 |





