“Proof Research 100929 Bolt Action Barrel Blank 264 Win Mag 26″ Black Carbon Fiber Wrapped 416R Stainless Steel Barrel, Features Sendero Contour” has been added to your cart. View cart

Spikes STU5435MLS Complete Upper 5.56x45mm NATO 16″ Black Phosphate/Midlength Barrel, 7075-T6 Aluminum Black Receiver, 12″ SAR3 Free-Floating Handguard for AR-15
February 6, 2026
BANISH 223 223/556 BLK
February 6, 2026Proof Research 110171 Bolt Action Barrel Blank 264 Cal 24″ Sendero Contour 1:7.50″ Twist 4 Grooves, Carbon Fiber Wrapped
$899.00
Proof Research 110171 Bolt Action Barrel Blank 264 Cal 24″ Sendero Contour 1:7.50″ Twist 4 Grooves, Carbon Fiber Wrapped
1 in stock
SKU: TSW|152055
Category: Rifle Barrels
Up to 64% lighter than traditional steel barrels of similar contour. Improved heat dissipation for cooler and longer lasting barrels. Wrapped with high-strength, aerospace-grade carbon fiber impregnated with a proprietary matrix resin.
| UPC | 843068110171 |
|---|---|
| Manufacturer | Proof Research |
| Manufacturer Part Number | 110171 |
| Rate of Twist | 1:7.50" |
| Model | Bolt Action Barrel |
| Length | 24" |





