Valley Precision 40S&W Barrels are button rifled out of 4150 CMV Steel,
QPQ Salt Bath Nitrided, with an 11-degree target crown for the best
accuracy and durability possible.
KVP 40S&W barrels have an
integrated feed ramp and will work with both Colt and Glock style AR-9/40 rifles or pistols. All barrels are manufactured under ISO:9001 &
AS:9100 quality certifications.