Apex S&W M&P Semi Drop-In 4.25 Barrel
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The Semi Drop-in 4.25” Barrel from Apex is designed to be used with the 9mm Smith & Wesson M&P. Because of all the variations in tolerances that the M&P Slide has, the barrel is only a semi drop-in model. There are some instances where the barrel will drop-in without having to perform any alterations. However, most instances will require there to be minor fitting for the full installation, which is easy to do by the user. The barrel is stainless steel and features a great 1:10 rate of twist. The design is meant to drastically increase performance and accuracy, making your treasured M&P firearm capable of firing into tiny 1.5” groupings from at least 25 yards away. The test results for accuracy are based on the use of a mechanical type of test. The final results can be varied depending on the ability of the shooter and their selection of ammunition. There are also differentials in tolerances of the factory firearm. Either way, this barrel seriously improves accuracy.