8.5” 300AAC BLACKOUT 1/8 PHOSPHATE PISTOL BUILD KIT
AR15 Rifle build kit includes complete upper receiver, bolt carrier group, charging handle, and complete lower parts kit; as pictured.
*Not for sale to residents of the states of New York or New Jersey.
Note: your jurisdiction may require you to be a licensed FFL or licensed gunsmith to purchase this product.
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Material | 4150 CMV
Caliber | 300AAC Blackout
Twist | 1:8
Length | 8.5"
Gas System | Pistol
Finish | Phosphate
Thread | 5/8-24
7075-T6 Forged Aluminum
Type III Hard Coat Anodizing
Assembled with Forward Assist and Dust Cover
7" M-lok Rail
Bolt Carrier Group
Bolt is made of Mil-spec shot-peened Carpenter 158 steel. Gas key is secured with grade 8 fasteners and staked per mil-spec. Bolt carrier is parkerized outside, and chrome lined inside
Lower Parts Kit
Lower build kit with everything you need to assemble your AR-15 lower into a pistol. Features Enhanced Polished Trigger (EPT)
Safety Selector | Detent | Spring
Magazine Catch | Button | Spring
Bolt Catch | Buffer | Spring
Bolt Catch Buffer
Takedown | Pivot Pins | Springs  | Detents 
Buffer Retainer Pin | Spring
Magpul MOE Grip | Trigger guard
7075 mil-spec carbine receiver extension
Standard Carbine Buffer
Carbine Length Spring
The SBA3™ is 5-position adjustable, dramatically enhances versatility, and features a minimalist design with an integral, ambidextrous QD sling socket