12.7x42 (.50 Caliber) Barrels
Find the perfect 12.7x42, 50 caliber, barrel for your next AR hunting build from Bear Creek Arsenal! Enjoy shooting up to 400 grain bullets from your AR-15 and hunting for large game or just a fun day at the range with this big bore caliber. Our 12.7x42 barrels are manufactured here in North Carolina from the finest 4150 Chrome Moly Vanadium or 416R Stainless Steel for superior accuracy at a great price. All our 12.7x42 barrels go through many machine and human quality control checks and are backed by a limited lifetime warranty so you never have to worry about your next shot. Effortlessly upgrade the barrel on your 12.7x42 rifle or upper and further customize your build to fit your style and needs.