CMMG 55B8D86AB Dissent MK4 5.56x45mm NATO 10.50″, Left Side Charging Handle, Armor Black, Zeroed Blast Comp, 9.60″ M-LOK Handguard, Picatinny End Plate, Fits AR-Platform *UPPER ONLY
April 16, 2026
Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 10.50″ Black Nitride Barrel Aluminum Black Anodized Receiver 9″ M-LOK Handguard Lo Pro DI Gas Block (Mid Length)
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
8 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-in-7.5 |
| Shipping Weight | 0.0 |
