Barrel Length: 10.5″
Barrel Profile: A2
Gas System: Carbine-length
Barrel Steel: 4150V Chrome Moly Vanadium
Barrel Finish: Phosphate
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 Aluminum
Receiver Type: M4
Handguard Type: PSA 9″ Lightweight M-Lok Rail
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-auto
Charging Handle Included: Yes
Overall Length: 21″
Build Kit: MOE SBA3 EPT Pistol Kit, Black
Optic: Sig Sauer Romeo MSR 2 MOA Red Dot
Magazines Included: 10 Magpul PMAGS
Barrel: 10.5″ 4150V Chrome Moly vanadium steel, phosphate coated and chambered in 5.56 NATO with a 1 in 7″ twist. Carbine length gas barrel is finished off with a PSA 9″ Lightweight 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. Featuring a mil-spec finish, these uppers are made for us right here in the USA by a mil-spec manufacturer.
Bolt: Bolt is made of Mil-spec shot-peened Carpenter 158 steel. Gas key is secured with grade 8 fasteners and staked per mil-spec.
Build Kit: A high quality lower build kit with everything you need to assemble your AR-15 lower into a pistol. Features Enhanced Polished Trigger (EPT), Magpul Grip, Magpul Trigger Guard, and black oxide coated hammer and trigger springs. Also includes SB Tactical SBA3 Adjustable Pistol Brace, castle nut, latch plate, carbine buffer spring, 5 positioning mil-spec buffer tube, and standard carbine buffer.
Sig Sauer Romeo MSR 2 MOA Red Dot Sight:
The ROMEO-MSR is a sealed compact red dot or green dot sight intended for MSR, carbine, shotgun and air rifle. Brightness is adjusted with a top-mounted rotary dial, featuring 10 daytime and 2-night vision settings for quick target engagement in any condition.
- Dependable IPX-7 waterproof and fog-proof performance
- Over 20,000 hours runtime on a CR1632 battery
- Top loading battery compartment with integral brightness control featuring 10 daytime and 2 NV settings
- Ultra-compact size and weight with unlimited eye-relief and parallax-free operation
- Aircraft-grade aluminum housing and mount
- Slipover, see-through flip-backs
**Includes 10 Magpul 30rd 5.56x45mm Magazines.
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