Right To Bear Uppers Gun Parts

(13 deals total)

This Complete 10.5 inch M-LOK upper receiver comes with our RTB 12 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean. Barrel: Length - 10.5" Material - 4150 Chrome Moly Vanadium Profile - Government Finish - QPQ Corrosion Resistant Gas System Length - Carbine Gas Block Journal - .750" Twist Rate - 1:7 inches Muzzle - 1/2x28 Threaded Weight - 19oz

This build kit DOES NOT come assembled. This Complete 10.5 inch M-LOK upper receiver build kit comes with our RTB 12 inch free float handguard and includes only the best Mil-Spec components for your AR15 build. The core components of this kit are a barrel that’s machined from chrome moly vanadium 4150 steel, the RTB lightweight handguard that’s machined from 6061-T6 aluminum, an M4 upper that is machined from 7075 T6 forgings, and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean.

This Complete 16 inch M-LOK upper receiver comes with our RTB 15 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel and the bolt is made of all stainless steel construction and we use an anti-jamb dedicated 22 charging handle. Barrel: LENGTH - 16.1" PROFILE - M4 Material and Finish - 4140 CrMo, Salt Bath Nitride Finish GAS SYSTEM LENGTH - None TWIST RATE - 1/16 TWIST MUZZLE - 1/2X28 TPI WEIGHT - 1.8 lbs Bolt Carrier Group: Stainless Steel Construction

This build kit DOES NOT come assembled. This Complete 16 inch M-LOK upper receiver build kit comes with our RTB 15 inch free float handguard and includes only the best Mil-Spec components for your AR15 build. The core components of this kit are a barrel that’s machined from chrome moly vanadium 4150 steel, the RTB lightweight handguard that’s machined from 6061-T6 aluminum, an M4 upper that is machined from 7075 T6 forgings, and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean.

This .22LR / 9mm upper receiver assembly is made from forged 7075-T6 aluminum and is Hard Coat Anodized. It meets military specifications and comes in a true slick side configuration. The ejection port door is sized for 9mm and 22LR. This upper does not have a shell deflector, nor does it have a forward assist. Machined from a Mil-Spec 7075 T6 forging Type III Hardcoat Anodized finish These uppers are machined to extremely tight tolerances for a more accurate build. Seating the barrel may take additional force. Light taps with a rubber mallet will do the trick.

This Complete 16 inch M-LOK upper receiver comes with a 15 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 M4 barrel and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean. Barrel: 16" 5.56 4150 CMV Barrel - Black Nitride M4 Carbine Profile - .750" GB Journal 1:7 Twist Rate - 1/2x28 Muzzle Thread Bolt Carrier Group: Enhanced 9310 Steel (Bolt) 8620 Tool Steel (Carrier) Bolt is shot Peened and MPI

This Complete 7.5 inch M-LOK upper receiver comes with a 9.25 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 M4 barrel and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean. Barrel: 7.25" 5.56 4150 CMV Barrel - Parkerized M4 Carbine Profile - .750" GB Journal 1:7 Twist Rate - 1/2x28 Muzzle Thread Fitted with Flash Can Bolt Carrier Group: Enhanced 9310 Steel (Bolt) 8620 Tool Steel (Carrier) Bolt is shot Peened and MPI

This Complete 7.5 inch M-LOK upper receiver comes with a 9.25 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 M4 barrel and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean. Barrel: 7.25" 5.56 4150 CMV Barrel - Parkerized M4 Carbine Profile - .750" GB Journal 1:7 Twist Rate - 1/2x28 Muzzle Thread Fitted with Flash Can Bolt Carrier Group: Enhanced 9310 Steel (Bolt) 8620 Tool Steel (Carrier) Bolt is shot Peened and MPI

This Complete 7.5 inch M-LOK upper receiver comes with a 7.25 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 M4 barrel and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean. Barrel: 7.25" 5.56 4150 CMV Barrel - Parkerized M4 Carbine Profile - .750" GB Journal 1:7 Twist Rate - 1/2x28 Muzzle Thread Fitted with A2 Flash Hider Bolt Carrier Group: Enhanced 9310 Steel (Bolt) 8620 Tool Steel (Carrier)

This Complete 16 inch M-LOK upper receiver comes with our RTB 12 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel and the bolt is made of all stainless steel construction and we use an anti-jamb dedicated 22 charging handle. Barrel: LENGTH - 16.1" PROFILE - M4 Material and Finish - 4140 CrMo, Salt Bath Nitride Finish GAS SYSTEM LENGTH - None TWIST RATE - 1/16 TWIST MUZZLE - 1/2X28 TPI WEIGHT - 1.8 lbs Bolt Carrier Group: Stainless Steel Construction

This Complete 16 inch M-LOK upper receiver comes with our RTB 12 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel and the bolt is made of all stainless steel construction and we use an anti-jamb dedicated 22 charging handle. Barrel: LENGTH - 16.1" PROFILE - M4 Material and Finish - 4140 CrMo, Salt Bath Nitride Finish GAS SYSTEM LENGTH - None TWIST RATE - 1/16 TWIST MUZZLE - 1/2X28 TPI WEIGHT - 1.8 lbs Bolt Carrier Group: Stainless Steel Construction

RTB COMPLETE 16" 5.56 UPPER RECEIVER | A2 | 13.5" M-LOK | BCG & CH This Complete 16 inch M-LOK upper receiver comes with our RTB 13.5 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean. Barrel: LENGTH - 16" MATERIAL - 4150 CHROME MOLY VANADIUM 11-DEGREE TARGET CROWN - FURTHER IMPROVE ACCURACY PROFILE - M4 FINISH - QPQ CORROSION RESISTANT GAS SYSTEM LENGTH - CARBINE

This .22LR / 9mm upper receiver assembly is made from forged 7075-T6 aluminum and is Hard Coat Anodized. It meets military specifications and comes in a true slick side configuration. The ejection port door is sized for 9mm and 22LR. This upper does not have a shell deflector, nor does it have a forward assist. Machined from a Mil-Spec 7075 T6 forging Type III Hardcoat Anodized finish These uppers are machined to extremely tight tolerances for a more accurate build. Seating the barrel may take additional force. Light taps with a rubber mallet will do the trick.