What It Does
The Mk 1 Apex Grade Gunsmith Fit 4.25" Barrel is designed for the 9mm Smith & Wesson M&P. The barrel is NOT drop-in and requires fitting by a competent gunsmith. The stainless steel barrel features a 1:10” twist rate. The design increases accuracy performance making the M&P capable of shooting as small as a 1-inch grouping at 25 yards. Accuracy test results based on use of a mechanical rest. Final results may vary based on shooter ability, ammunition selection and variations in factory firearm tolerances.
Expected Results
– Direct replacement of factory 4.25" barrel
– Improves accuracy
– Optimal performance seen with bullet weights of 115gr. through 147gr. using 9mm jacketed ammunition
– Requires fitting by a competent gunsmith
Applicable To What Gun(s)
Works with all Smith & Wesson 9mm M&P pistols requiring a 4.25” barrel.
In The Package
1 ea. Mk 1 Apex Grade 9mm Gunsmith Fit Barrel - 4.25"
The Mk 1 Apex Grade Gunsmith Fit 4.25" Barrel is designed for the 9mm Smith & Wesson M&P. The barrel is NOT drop-in and requires fitting by a competent gunsmith. The stainless steel barrel features a 1:10” twist rate. The design increases accuracy performance making the M&P capable of shooting as small as a 1-inch grouping at 25 yards. Accuracy test results based on use of a mechanical rest. Final results may vary based on shooter ability, ammunition selection and variations in factory firearm tolerances.
Expected Results
– Direct replacement of factory 4.25" barrel
– Improves accuracy
– Optimal performance seen with bullet weights of 115gr. through 147gr. using 9mm jacketed ammunition
– Requires fitting by a competent gunsmith
Applicable To What Gun(s)
Works with all Smith & Wesson 9mm M&P pistols requiring a 4.25” barrel.
In The Package
1 ea. Mk 1 Apex Grade 9mm Gunsmith Fit Barrel - 4.25"
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