Quick view AR-15 7.62×39 7.5″ Pistol Upper Complete Build Kits Unassembled Black barrel Upper MSRP: $569.99 - $579.99 Was: Now: $455.99 - $485.99 Choose Options Compare
Quick view AR-15 5.56 Nato 8.5″ Pistol Upper Complete Build Kits Unassembled Black barrel Upper MSRP: $560.99 - $569.99 Was: Now: $455.99 - $479.99 Choose Options Compare
Quick view AR-15 5.56 Nato 7.5″ Pistol Upper Complete Build Kits Unassembled Black barrel Upper MSRP: $560.99 - $569.99 Was: Now: $455.99 - $475.99 Choose Options Compare
Quick view AR-15 300 Blackout 7.5″ Pistol Upper Complete Build Kits Unassembled Black barrel Upper MSRP: $560.99 - $569.99 Was: Now: $450.99 - $475.99 Choose Options Compare
Quick view AR-15 .223 Wylde 7.5″ Pistol Upper Complete Build Kits Unassembled S.S barrel Upper MSRP: $570.99 - $580.99 Was: Now: $485.99 - $505.99 Choose Options Compare
Quick view AR-15 .223 Wylde 7.5″ Pistol Upper Complete Build Kits Unassembled Black barrel Upper MSRP: $560.99 - $569.99 Was: Now: $455.99 - $475.99 Choose Options Compare
Quick view AR-15 5.56 Nato 10.5″ Pistol Upper Complete Build Kits Assembled S.S barrel Upper MSRP: $599.99 - $605.99 Was: Now: $520.99 - $530.99 Choose Options Compare
Quick view AR-15 9 mm 16″ Rifle Upper Complete Build Kits Assembled Black barrel Upper MSRP: $589.99 - $599.99 Was: Now: $499.99 - $510.99 Choose Options Compare
Quick view AR-15 9 mm 7.5″ Pistol Upper Complete Build Kits Assembled Black barrel Upper MSRP: $560.99 - $570.99 Was: Now: $489.99 - $499.99 Choose Options Compare
Quick view AR-15 7.62×39 7.5″ Pistol Upper Complete Build Kits Assembled Black barrel Upper MSRP: $570.99 - $580.99 Was: Now: $490.99 - $500.99 Choose Options Compare
Quick view AR-15 7.62×39 16″ Rifle Upper Complete Build Kits Assembled Black barrel Upper MSRP: $580.99 - $590.99 Was: Now: $490.99 - $510.99 Choose Options Compare
Quick view AR-15 5.56 Nato 8.5″ Pistol Upper Complete Build Kits Assembled Black barrel Upper MSRP: $540.99 - $550.99 Was: Now: $480.99 - $490.99 Choose Options Compare
Quick view AR-15 7.62×39 7.5″ Pistol Upper Complete Build Kits Unassembled Black barrel Upper MCS is now proud to offer the AR-15 Unassembled Pistol Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Pistol ! AR-15 Unassembled Pistol Upper Receiver Components: A fully... MSRP: $569.99 - $579.99 Was: Now: $455.99 - $485.99 Choose Options Compare
Quick view AR-15 5.56 Nato 8.5″ Pistol Upper Complete Build Kits Unassembled Black barrel Upper MCS is now proud to offer the AR-15 Unassembled Pistol Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Pistol ! AR-15 Unassembled Pistol Upper Receiver Components: A fully... MSRP: $560.99 - $569.99 Was: Now: $455.99 - $479.99 Choose Options Compare
Quick view AR-15 5.56 Nato 7.5″ Pistol Upper Complete Build Kits Unassembled Black barrel Upper MCS is now proud to offer the AR-15 Unassembled Pistol Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Pistol. AR-15 Unassembled Pistol Upper Receiver Components: A fully... MSRP: $560.99 - $569.99 Was: Now: $455.99 - $475.99 Choose Options Compare
Quick view AR-15 300 Blackout 7.5″ Pistol Upper Complete Build Kits Unassembled Black barrel Upper MCS is now proud to offer the AR-15 Unassembled Pistol Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Pistol ! AR-15 Unassembled Pistol Upper Receiver Components: A fully... MSRP: $560.99 - $569.99 Was: Now: $450.99 - $475.99 Choose Options Compare
Quick view AR-15 .223 Wylde 7.5″ Pistol Upper Complete Build Kits Unassembled S.S barrel Upper MCS is now proud to offer the AR-15 Unassembled Pistol Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Pistol ! AR-15 Unassembled Pistol Upper Receiver Components: A fully... MSRP: $570.99 - $580.99 Was: Now: $485.99 - $505.99 Choose Options Compare
Quick view AR-15 .223 Wylde 7.5″ Pistol Upper Complete Build Kits Unassembled Black barrel Upper MCS is now proud to offer the AR-15 Unassembled Pistol Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Pistol ! AR-15 Unassembled Pistol Upper Receiver Components: A fully... MSRP: $560.99 - $569.99 Was: Now: $455.99 - $475.99 Choose Options Compare
Quick view AR-15 5.56 Nato 10.5″ Pistol Upper Complete Build Kits Assembled S.S barrel Upper MCS is now proud to offer the AR-15 Assembled Pistol Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Pistol ! AR-15 Assembled Pistol Upper Receiver Components: A fully... MSRP: $599.99 - $605.99 Was: Now: $520.99 - $530.99 Choose Options Compare
Quick view AR-15 9 mm 16″ Rifle Upper Complete Build Kits Assembled Black barrel Upper MCS is now proud to offer the AR15 Assembled Rifle Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Rifle ! AR15 Assembled Rifle Upper Receiver Components: A fully assembled... MSRP: $589.99 - $599.99 Was: Now: $499.99 - $510.99 Choose Options Compare
Quick view AR-15 9 mm 7.5″ Pistol Upper Complete Build Kits Assembled Black barrel Upper MCS is now proud to offer the AR-15 Assembled Pistol Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Pistol ! AR-15 Assembled Pistol Upper Receiver Components: A fully... MSRP: $560.99 - $570.99 Was: Now: $489.99 - $499.99 Choose Options Compare
Quick view AR-15 7.62×39 7.5″ Pistol Upper Complete Build Kits Assembled Black barrel Upper MCS is now proud to offer the AR-15 Assembled Pistol Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Pistol. AR-15 Assembled Pistol Upper Receiver Components: A fully assembled... MSRP: $570.99 - $580.99 Was: Now: $490.99 - $500.99 Choose Options Compare
Quick view AR-15 7.62×39 16″ Rifle Upper Complete Build Kits Assembled Black barrel Upper MCS is now proud to offer the AR15 Assembled Rifle Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Rifle ! AR15 Assembled Rifle Upper Receiver Components: A fully assembled... MSRP: $580.99 - $590.99 Was: Now: $490.99 - $510.99 Choose Options Compare
Quick view AR-15 5.56 Nato 8.5″ Pistol Upper Complete Build Kits Assembled Black barrel Upper MCS is now proud to offer the AR-15 Assembled Pistol Build Kit. With this build kit, you will be able to have almost all of the necessary components to build your very own AR-15 Pistol ! AR-15 Assembled Pistol Upper Receiver Components: A fully... MSRP: $540.99 - $550.99 Was: Now: $480.99 - $490.99 Choose Options Compare
