AR9 Pistol Kit – 4″ Nitride Barrel, 1:10 Twist Rate with 5″ M-Lok Handguard

An ultra-compact AR9 kit that ensures reliable cycling.
Building a 9mm AR this compact requires picking out the perfect parts to make it all work reliably — which is exactly what we’ve done. This kit provides all the components necessary to build one of the most ompact AR-9s possible, while ensuring reliable cycling and good accuracy, with high recoil control.
The included hybrid 9mm AR bolt carrier group and magazine well work together to accept any 9mm GLOCK® magazine. Pair with any stripped AR-15 lower receiver and 9mm conversion block, or any retail or 80% AR-9 lower to complete your build.
What’s Included 
This is not a firearm. It includes a barreled upper assembly, bolt carrier group, lower parts kit, and buffer assembly.
AR-9 Pistol Kit Specifcations
Barreled uppers are assembled in-house and ready to fire before shipment.
Barrel Specs
Barrel Length: 4″
Barrel Steel: 4150 CMV, heat-treated
Barrel Finish: Nitride
Muzzle Thread: 1/2×36
Chamber: 9mm Parabellum
Twist Rate: 1:10
Muzzle Device: Fluted Flash Can
Handguard Specs
Attachment System: 5″ M-LOK
Finish: Type III Hardcoat Anodized (Mil-Spec)
Top Rail: M1913 Picatinny
Material: Billet 6061-T6 Aluminum
Attachment: Free-Float, Barrel Nut
Upper Receiver Specs
Receiver Material: 6061 Billet T6 Aluminum
Receiver Type: Slick Side / No Dust Cover / No Forward Assist
Bolt Carrier Group Specs
Bolt Steel: Nitride, Heat-Treated 8620 steel
Bolt Carrier Profile: 9mm / G-9 Hybrid
Charging Handle Included: Yes
Lower Receiver Components Included
Buffer System: 9mm
Pistol Brace: SBA3 5-Position
Parts Kit: 9mm w/ Single Stage Trigger
Lower receiver not included. 
 
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