Barrels & Barrel Parts

The 5.56 16″ M4 Barrel, – Carbine Length Packaged is compatible with the AR-15 Platform.The 16″ 5.56 M4 barrel is the perfect barrel to start your next build and add to your AM-15 collection. This barrel is made from 4150 Chrome Moly Vanadium Steel with a Parkerized finish. Featuring a carbine length gas system with a .750″ gas port and a 1:8 twist, this barrel provides top accuracy and precision for your 5.56 build.

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...

What It Does The Mk 1 Apex Grade Gunsmith Fit 5.00" 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...

What It Does The Mk 1 Apex Grade Semi Drop-In 4.25"" Barrel is designed for the 9mm Smith & Wesson M&P. Due to the tolerance variations in the M&P Slide, the barrel is semi drop-in. In some cases this means the barrel may drop-in without alteration, but in most cases will likely require minor fitting which is easily done by the end user. 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 1-1/2 inch...

What It Does The Mk 1 Apex Grade Semi Drop-In 5.00" Barrel is designed for the 9mm Smith & Wesson M&P. Due to the tolerance variations in the M&P Slide, the barrel is semi drop-in. In some cases this means the barrel may drop-in without alteration, but in most cases will likely require minor fitting which is easily done by the end user. 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 1-1/2 inch...

What It Does The Mk 1 Apex Grade Threaded 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...

What It Does The Mk 1 Apex Grade Threaded Gunsmith Fit 5.00" 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...

What It Does The Mk 1 Apex Grade Threaded Semi Drop-In 4.25" Barrel is designed for the 9mm Smith & Wesson M&P. Due to the tolerance variations in the M&P Slide, the barrel is semi drop-in. In some cases this means the barrel may drop-in without alteration, but in most cases will likely require minor fitting which is easily done by the end user. 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...

What It Does The Mk 1 Apex Grade Threaded Semi Drop-In 5.00" Barrel is designed for the 9mm Smith & Wesson M&P. Due to the tolerance variations in the M&P Slide, the barrel is semi drop-in. In some cases this means the barrel may drop-in without alteration, but in most cases will likely require minor fitting which is easily done by the end user. 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...

The AR15 Bar Barrel Nut is used to connect BAR style handguards to standard threaded upper receivers. This product comes with 4 shims to properly time the gas tube with the upper receiver.Compatible with mil-spec threaded upper receivers ONLY.

The Troy Standard AR15 Barrel Nut is a rugged alternative to standard barrel nuts. The TRX Barrel Nut is a proprietary barrel nut designed specifically for TRX BattleRails. Note: Will not work with the Alpha Rail.

This barrel is designed for use in the LMT (Lewis Machine & Tool) MRP (Monolithic Rail Platform). This original MRP was designed and patented by LMT and is a true free-floating platform. The free-floating barrel provides accuracy & dependability with no loss of zero from rough handling.Note: Items marked as Special Order are ordered from the manufacturer. Being a manufacturer direct dealer, we are dependent on their warehouse inventory and production schedule. While most Special Order...