Proof Research Bolt Action Barrel, Proof 134559 6cm 20 7.5tw 4grv Cf

$1,062.99
(No reviews yet) Write a Review
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!

Length: 20"
Model: Bolt Action Barrel
Twist: 1:7.50"
Bore Type: 4 Groove
Finish: Carbon Fiber
Barrel Type: Pre-Fit
Barrel Features: Drop-In