Proof Research 105351 Bolt Action Barrel Blank 264 Win Mag 24″ Black Carbon Fiber Finish 416R Stainless Steel Material Blank with Sendero Light Contour for Rifles
January 23, 2026
CMC Triggers BBL556001 5.56 NATO 7.50″ Chrome Moly Vanadium Steel Button Rifled
January 23, 2026
Proof Research 134511 Bolt Action Barrel Pre-Fit 6.5 Creedmoor 18″ 1:8″ Twist (5 Groove), 5/8″-24 tpi Threaded, Carbon Fiber, Drop-In Design for Sig Cross
$1,149.00
Proof Research 134511 Bolt Action Barrel Pre-Fit 6.5 Creedmoor 18″ 1:8″ Twist (5 Groove), 5/8″-24 tpi Threaded, Carbon Fiber, Drop-In Design for Sig Cross
2 in stock
The times of sending off your Sig Cross to have the barrel changed is over with Proof’s drop-in barrel Design! Stand-alone and guaranteed to headspace is achievable at your own home with no gunsmith required!
| UPC | 843068134511 |
|---|---|
| Manufacturer | Proof Research |
| Manufacturer Part Number | 134511 |
| Length | 18" |
| Rate of Twist | 1:8" |
| Model | Bolt Action Barrel |