LANCER L5AWM GEN2 223REM 30RD CLEAR
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CMMG 30A650ACT Dissent BR4 *CA Compliant 300 Blackout 10+1 16.10″ Black Nitride Threaded Barrel, Coyote Tan Cerakote Picatinny Rail Aluminum Receiver, Magpul SGA Black Synthetic Stock
April 16, 2026
Proof Research 128688 AR-Style Barrel 6mm ARC 18″ Stainless Steel Finish & Material Rifle Length with Threading & .750″ Gas Journal Diameter for AR-Platform
$649.00
Proof Research 128688 AR-Style Barrel 6mm ARC 18″ Stainless Steel Finish & Material Rifle Length with Threading & .750″ Gas Journal Diameter for AR-Platform
12 in stock
Proof Research’s barrels exemplifies relentless pursuit of excellence. Whatever your preference is, you can expect the finest rifle barrel in the industry. The Traditional Steel barrel is long-lasting and extreme pressure resistant.
| UPC | 843068128688 |
|---|---|
| Manufacturer | Proof Research |
| Manufacturer Part Number | 128688 |
| Barrel Length | 18" |
| Caliber/Gauge | 6MM ARC |
| Length | 18" |
| Model | AR-Style Barrel |
| Product Type | Accessory-Barrels |
| Rate of Twist | 1:7.5" |
| Shipping Weight | 0.0 |
