This Palmetto State Armory complete upper receiver has the following specs:
Barrel
16″ 4150V chrome moly vanadium steel, chambered in 5.56 NATO, with a 1/7 twist, M4 barrel extension, mid-length gas system, and a lightweight pencil profile. The barrel is nitride coated and finished off with a 0.625″ diameter low profile gas block, PSA 15″ Lightweight M-lok free float rail and an A2 flash hider.
Upper
Forged 7075-T6 A3 AR upper is machined to MIL-SPEC and hard coat anodized. These uppers are made in the USA by a mil-spec manufacturer.
Bolt Carrier Group
ToolCraft BCG has a bolt made of mil-spec shot-peened Carpenter 158 steel. Gas key is secured with grade 8 fasteners and staked per mil-spec.
Sights
Magpul MBUS Flip-Up Sight Set
More Details
Barrel Length: 16″
Gas System: Mid-length
Barrel Profile: Pencil
Barrel Steel: 4150V Chrome Moly
Barrel Finish: Nitride
Chrome Lining: None
Muzzle Thread: 1/2-28
Chamber: 5.56 NATO
Twist Rate: 1 in 7″
Barrel Extension: M4
Diameter at Gas Block: .625″
Gas Block Type: Low-profile
Muzzle Device: A2 Style Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Handguard Type: PSA 15″ Lightweight M-Lok Rail
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-auto
Charging Handle included: Yes
Overall Length: 24.5″
No FFL required, this can ship directly to you.
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