Palmetto State Armory

PSA M4A1 Complete Upper (14.5") - .223/5.56

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$469.99
When required by law, the cost to make this product CA legal is included in the price above.
SKU:
14684
UPC:
51655222571
Manufacturer Part #:
51655222571
Style:
M4A1
Color:
Black
Barrel:
14.5 in (16 in w/Pin & Weld Muzzle Device)
Barrel Twist:
1-7

Barrel: 14.5" 4150V Chrome Moly vanadium steel, nitride coated and chambered in 5.56 NATO with a 1 in 7" twist. The carbine length gas barrel is finished off with a quad rail handguard with vertical grip and rail covers, a .750 Front Sight Base, and a pin and welded extended 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 Carrier Group:  Bolt made of mil-spec shot-peened Carpenter 158 steel. Gas key is secured with grade 8 fasteners and staked per mil-spec.

Details

Barrel Length: 14.5" Pin and Welded
Barrel Profile: M4
Gas System: Carbine length
Barrel Steel: 4150V Chrome Moly Vanadium
Barrel Finish: Nitride
Chrome Lining: No
Muzzle Thread: 1/2x28
Chamber: 5.56 NATO
Twist Rate: 1:7
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: Front Sight Base
Muzzle Device: Extended A2 Pin and Welded
Receiver Material: Forged 7075 T6 Aluminum
Receiver Type: M4
Handguard Type: Quad Rail with Vertical Grip and Rail Covers
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Charging Handle Included: Yes