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
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
