PSA 10.5" CHF Carbine Length 5.56 NATO 1:7 9'' M-Lok Railed Upper with BCG and CH - 516446579

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PSA 10.5" CHF Carbine Length 5.56 NATO 1:7 9'' M-Lok Railed Upper with BCG and CH - 516446579

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: 516446579
UPC: 516446579
MFR#: 516446579

Barrel Length: 10.5"
Gas System: Carbine-length
Barrel Profile: A2 Style
Barrel Steel: Cold Hammer Forged Chrome Moly Vanadium
Barrel Finish: Phosphate
Chrome Lining: Yes, bore and chamber
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 Gas Block
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Handguard Type: PSA 9" M-lok Rail
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-Auto
Charging Handle Included: Yes
Overall Length: 19"
Weight as Configured: 3 lbs

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Barrel: Barrel is made for Palmetto State Armory by FN Manufacturing using their proprietary blend of hammer forged chrome molly vanadium that is referred to as "Machine Gun Steel" by virtue of its use in FN's M249 and M240 weapons. The hammer forging process work hardens the steel, making it more durable. In addition, the chrome process for the bore allows for a lining almost twice as thick as a standard M16 for enhanced durability. Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension with extended feedramps, and a carbine gas system. The barrel has an A2 style profile, is mil-spec phosphate coated, and MP/HP tested. The upper is finished off with a .750" diameter gas block, PSA 9" m-lok rail, 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 machined T marks, and 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. Bolt carrier is parkerized outside, and chrome lined inside.

SKU: 516446579
SKU 516446579
Brand Palmetto State Armory
SKU: 516446579

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