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 M4 Barrel, – Carbine Length
Anderson Manufacturing
Retail: $90.02
Price: $85.52
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Availability: In Stock
Anderson Manufacturing Item #: ANDM B2-K004-A008-0P -

    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.

    .308 Win. 18" Barrel – Mid Length
    Anderson Manufacturing
    Retail: $117.99
    Price: $96.75
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    Availability: In Stock
    Anderson Manufacturing Item #: ANDM B2-L004-A002 -

      Apex Grade Gunsmith Fit M&P Barrel - 4.25"
      Apex Tactical Specialties
      Retail: $199.95
      Price: $189.95
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      Availability: Back Order
      Apex Tactical Specialties Item #: APEX 105-051 -

        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...

        Apex Grade Gunsmith Fit M&P Barrel - 5.00"
        Apex Tactical Specialties
        Retail: $199.95
        Price: $189.95
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        Availability: Back Order
        Apex Tactical Specialties Item #: APEX 105-050 -

          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...

          Apex Grade Semi Drop-In M&P Barrel - 4.25"
          Apex Tactical Specialties
          Retail: $199.95
          Price: $189.95
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          Availability: Back Order
          Apex Tactical Specialties Item #: APEX 105-053 -

            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...

            Apex Grade Semi Drop-In M&P Barrel - 5.00"
            Apex Tactical Specialties
            Retail: $199.95
            Price: $189.95
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            Availability: Back Order
            Apex Tactical Specialties Item #: APEX 105-052 -

              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...

              Apex Grade Threaded Gunsmith Fit M&P Barrel - 4.25"
              Apex Tactical Specialties
              Retail: $259.95
              Price: $246.95
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              Availability: Back Order
              Apex Tactical Specialties Item #: APEX 105-059 -

                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...

                Apex Grade Threaded Gunsmith Fit M&P Barrel - 5.00"
                Apex Tactical Specialties
                Retail: $259.95
                Price: $246.95
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                Availability: Back Order
                Apex Tactical Specialties Item #: APEX 105-058 -

                  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...

                  Apex Grade Threaded Semi Drop-In M&P Barrel - 4.25"
                  Apex Tactical Specialties
                  Retail: $259.95
                  Price: $246.95
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                  Availability: Back Order
                  Apex Tactical Specialties Item #: APEX 105-061 -

                    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...

                    Apex Grade Threaded Semi Drop-In M&P Barrel - 5.00"
                    Apex Tactical Specialties
                    Retail: $259.95
                    Price: $246.95
                    View
                    Availability: Back Order
                    Apex Tactical Specialties Item #: APEX 105-060 -

                      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...

                      AR15 BAR Barrel Nut
                      Aero Precision
                      Retail: $40.00
                      Price: $38.00
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                      Availability: In Stock
                      Aero Precision Item #: AERO APRH100268 -

                        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.

                        Barrel Nut, Standard
                        Troy Industries
                        Retail: $10.20
                        Price: $9.18
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                        Availability: Back Order
                        Troy Industries Item #: TY SRAI-BNT-0000-00 -

                          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.

                          CQB MRP .300 AAC Barrel
                          Lewis Machine & Tool
                          Retail: $459.00
                          Price: $413.10
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                          Availability: Back Order
                          Lewis Machine & Tool Item #: LMT L7B -

                            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...

                            Gnsmth 40-9 Conv Brl-4.25"
                            Apex Tactical Specialties
                            Retail: $199.95
                            Price: $189.95
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                            Availability: Back Order
                            Apex Tactical Specialties Item #: APEX 105-055 -

                              Gnsmth 40-9 Conv Brl-5"
                              Apex Tactical Specialties
                              Retail: $199.95
                              Price: $189.95
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                              Availability: Back Order
                              Apex Tactical Specialties Item #: APEX 105-054 -

                                MCX 9" Caliber Exchange Kit - 300BLK w/Bolt.
                                Sig Sauer LE/Mil
                                Retail: $612.00
                                Price: $450.00
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                                Availability: Discontinued
                                Sig Sauer LE/Mil Item #: SIG CALXMCX9B300-TAP -

                                MCX Rattler 5.5" Replacement Barrel - 300BLK
                                Sig Sauer LE/Mil
                                Retail: $599.00
                                Price: $477.00
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                                Availability: Back Order
                                Sig Sauer LE/Mil Item #: SIG WCALX-MCX-5B-300-TAP -

                                Genuine replacement barrel for the 5.5" 300BLK Rattler. Complete with barrel and gas block assembly.. SIG SAUER offers upper assemblies and caliber exchange kits in various barrel lengths. All NFA rules apply to installation of these upper assemblies to lower receivers and caliber exchange kits to upper receivers. Upper assemblies and caliber exchange kits with barrel lengths less than 16 “may only be affixed to lower receivers which (1) are not recorded as a rifle lower by the manufacturer...

                                MCX Virtus 11.5" Caliber Exchange Kit - 5.56
                                Sig Sauer
                                Retail: $612.00
                                Price: $450.00
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                                Availability: Special Order
                                Sig Sauer Item #: SIG CALX-MCX-11B-556-TAP -

                                MCX Virtus 16" Caliber Exchange Kit - 300BLK
                                Sig Sauer LE/Mil
                                Retail: $599.00
                                Price: $477.00
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                                Availability: Back Order
                                Sig Sauer LE/Mil Item #: SIG WCALX-MCX-16B-300-TAP -

                                Convert your AR15 to the SIG SAUER MCX Virtus. Complete with Virtus barrel and gas block assembly. SIG SAUER offers upper assemblies and caliber exchange kits in various barrel lengths. All NFA rules apply to installation of these upper assemblies to lower receivers and caliber exchange kits to upper receivers. Upper assemblies and caliber exchange kits with barrel lengths less than 16 “may only be affixed to lower receivers which (1) are not recorded as a rifle lower by the manufacturer and...

                                MCX Virtus 16" Caliber Exchange Kit - 5.56
                                Sig Sauer LE/Mil
                                Retail: $599.00
                                Price: $477.00
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                                Availability: Back Order
                                Sig Sauer LE/Mil Item #: SIG WCALX-MCX-16B-556-TAP -

                                Convert your AR15 to the SIG SAUER MCX Virtus. Complete with Virtus barrel and gas block assembly. SIG SAUER offers upper assemblies and caliber exchange kits in various barrel lengths. All NFA rules apply to installation of these upper assemblies to lower receivers and caliber exchange kits to upper receivers. Upper assemblies and caliber exchange kits with barrel lengths less than 16 “may only be affixed to lower receivers which (1) are not recorded as a rifle lower by the manufacturer and...

                                MCX Virtus 6.75" Caliber Exchange Kit - 300BLK
                                Sig Sauer LE/Mil
                                Retail: $612.00
                                Price: $450.00
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                                Availability: In Stock
                                Sig Sauer LE/Mil Item #: SIG WCALX-MCX-6B-300-TAP -

                                MCX Virtus 9" Caliber Exchange Kit - 300BLK
                                Sig Sauer LE/Mil
                                Retail: $612.00
                                Price: $450.00
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                                Availability: In Stock
                                Sig Sauer LE/Mil Item #: SIG WCALX-MCX-9B-300-TAP -

                                Semi Dropin 40-9 Conv Brl-4.25
                                Apex Tactical Specialties
                                Retail: $199.95
                                Price: $189.95
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                                Availability: Back Order
                                Apex Tactical Specialties Item #: APEX 105-057 -

                                  Semi Dropin 40-9 Conv Brl-5"
                                  Apex Tactical Specialties
                                  Retail: $199.95
                                  Price: $189.95
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                                  Availability: Back Order
                                  Apex Tactical Specialties Item #: APEX 105-056 -

                                    SIG Factory Pistol Barrels
                                    Sig Sauer
                                    Retail: $189.00
                                    Price: $139.00-$175.50
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                                    Availability: Back Order
                                    Sig Sauer Item #: SIG BBL-P -