Proof Research PR15 Stainless Steel CamGas 22 Nosler Rifle Barrels has been discontinued by Proof Research and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, Rifle Barrels, AR15 Barrels yourself to try and find the perfect replacement for you!
Proof Reseaerch AR-type barrels are designed to be used with standard, full mass bolt carrier groups, standard mass buffers and standard rate recoil springs to ensure the best reliability and accuracy. All components of the buffer system must match, i.e. do not mix AR-10 and AR-15, or carbine and rifle length parts. Light-weight or variable-weight bolt carriers are not recommended.![]()