AR-15 300 Blackout 7.5″ Pistol Upper Complete Build Kits Assembled Black barrel Upper MSRP: $550.99 - $560.99 Was: Now: $470.99 - $490.99 Choose Options Compare
AR-15 .223 Wylde 7.5″ Pistol Upper Complete Build Kits Assembled Black barrel Upper MSRP: $570.99 - $575.99 Was: Now: $470.99 - $490.99 Choose Options Compare
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
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
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
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
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
5" 5.56 NATO PISTOL KIT W/ 3.5" SHORT BUFFER SYSTEM MSRP: $589.99 Was: $529.99 Now: $469.99 Add to Cart Compare
5" 7.62 X 39 PISTOL KIT W/ 3.5" SHORT BUFFER SYSTEM MSRP: $599.99 Was: $549.99 Now: $469.99 Add to Cart Compare
AR15 .223 WYLDE 18" STAINLESS BARREL MID LENGTH 1:8 TWIST W/15" MODULAR M-LOK HANDGUARD - UPPER ASSEMBLY MSRP: $510.99 Was: Now: $460.99 Add to Cart Compare
AR BUILD KIT 5.56/.223 BCG AND LPK COMP-BLD16 16″ MSRP: $560.99 Was: $475.99 Now: $460.99 Add to Cart Compare
AR-15 9 mm 7.5″ Pistol Upper Complete Build Kits Unassembled Black barrel Upper MSRP: $550.00 - $550.99 Was: Now: $460.99 - $480.99 Choose Options Compare
Quick view AR-15 300 Blackout 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: $550.99 - $560.99 Was: Now: $470.99 - $490.99 Choose Options Compare
Quick view AR-15 .223 Wylde 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: $570.99 - $575.99 Was: Now: $470.99 - $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 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
SALE Quick view 5" 5.56 NATO PISTOL KIT W/ 3.5" SHORT BUFFER SYSTEM MCS Unassembled Pistol Build Kit The Build Kit Includes: (1) 5.5" 5.56 barrel, 1:5 twist, Micro Gas system,1/2-28 muzzle thread, nitride finish 5.56 upper receiver with M4 feedramps (1) 5.56 Bolt Carrier Group Low profile adjustable gas... MSRP: $589.99 Was: $529.99 Now: $469.99 Add to Cart Compare
SALE Quick view 5" 7.62 X 39 PISTOL KIT W/ 3.5" SHORT BUFFER SYSTEM MCS Unassembled Pistol Build Kit 5." 7.62x39 barrel, 1:10 twist, Micro Gas system,5/8x24 muzzle thread, nitride finish 5.56 upper receiver with M4 feedramps 7.62x39 Bolt Carrier Group Low profile .750 adjustable gas block Micro gas tube 4" MLOK... MSRP: $599.99 Was: $549.99 Now: $469.99 Add to Cart Compare
Quick view AR15 .223 WYLDE 18" STAINLESS BARREL MID LENGTH 1:8 TWIST W/15" MODULAR M-LOK HANDGUARD - UPPER ASSEMBLY Includes: AR-15 Multi Port Flash Hider - 1/2"x28 Thread Pitch AR-15 Stripped Upper Receiver (Made in USA) AR-15 Forward Assist - Black AR-15 Dust Cover Complete Assembly AR-15 15" Combat Modular M-Lok Handguard "C" Cut - Black .750 Low Profile Steel Gas... MSRP: $510.99 Was: Now: $460.99 Add to Cart Compare
SALE Quick view AR BUILD KIT 5.56/.223 BCG AND LPK COMP-BLD16 16″ Our complete AR15 5.56 Build Kit comes with a FULLY ASSEMBLED Upper, Lower Parts Kit and Buffer tube Assembly and Brace. Capable of shooting both .223 and 5.56. Includes: Upper Receiver 5.56 NATO BARREL 16.5″ XTS Charging Handle XTS Forward... MSRP: $560.99 Was: $475.99 Now: $460.99 Add to Cart Compare
Quick view AR-15 9 mm 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: $550.00 - $550.99 Was: Now: $460.99 - $480.99 Choose Options Compare