Description

Quick Overview
It is the customer's responsibility to be aware of all applicable laws and regulations regarding the purchase and ownership of uppers with a barrel length of less than 16". Federal NFA regulations are applicable to this item.
SKU: 5165447942
UPC: 5165447942
MFR#: 5165447942

- Barrel Length: 8.5"
- Barrel Profile: Pistol
- Gas System: Pistol-length
- Barrel Steel: 4150V Chrome Moly Vanadium
- Barrel Finish: Phophate
- Chrome Lining: No
- Muzzle Thread: 1/2-28
- Chamber: 5.56 NATO 
- Twist Rate: 1:7
- Barrel Extension: M4
- Diameter at Gas Block: .750
- Gas Block Type: Low-profile
- Muzzle Device: A2 Flash Hider
- Receiver Material: Forged 7075 T6
- Receiver Type: M4
- Hand guard Type: PSA 7" M-Lok 
- Bolt Carrier Group Included: Yes
- Bolt Steel: Carpenter 158
- Bolt Carrier Profile: Full-auto
- Charging Handle included: Yes
- Overall Length: 18"
- Build Kit: MOE SOB Pistol Kit, Black

Barrel:  8.5" 4150V Chrome Moly vanadium steel barrel chambered in 5.56 NATO with a 1 in 7" twist. Pistol-length gas barrel is finished off with an anodized PSA 7" M-Lok Rail, a low profile gas block and an A2 Flash hider. 

Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability.  These uppers are made for us right here in the USA by a mil-spec manufacturer.

Bolt: Full-auto profile bolt carrier group. Milspec Carpenter No. 158® steel bolt, Shot Peened, High pressure tested, Mag particle inspected, Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec. 8620 steel M-16 profile carrier is chrome lined and phosphate coated.

Pistol Build Kit:  A high quality lower build kit with everything you need to assemble your AR-15 lower into a pistol. Features polished hammer and trigger contact points, and black oxide coated hammer and trigger springs. Also includes SB Tactical SOB Pistol Brace, castle nut, double-looped pistol latch plate, carbine buffer spring, and standard carbine buffer.

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