Machined from certified 416R stainless steel and finished in Isonite QPQ black, this StormLake 5.71", S&W M&P Longslide, Threaded Barrel uses 1/2-28 threads and includes a thread protector. The barrel is hardened to 40-42 HRC, rifled to shoot jacketed or lead bullets and guaranteed to function with new manufacture ammunition. Additionally, this suppressor ready barrel offers match grade performance with full case support. All StormLake barrels are proudly made in the USA and designed for easy, drop in installation. However, occasional minor fitting may be required. For any warranty or product issues and concerns StormLake requests to be contacted directly at 865-988-8933.
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