Due to holidays and severe weather, please expect a delay up to 10 business days for your order to ship.
Due to holidays and severe weather, please expect a delay up to 10 business days for your order to ship.
PSA 7.5" Pistol-length 300AAC Blackout 1/8 Nitride 7" Lightweight M-Lok Upper With BCG & CH - 516447503

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PSA 7.5" Pistol-length 300AAC Blackout 1/8 Nitride 7" Lightweight M-Lok Upper With BCG & CH - 516447503

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: 516447503
UPC: 516447503
MFR#: 516447503

Barrel Length: 7.5"
Gas System: Pistol Length
Barrel Profile: Heavy
Barrel Steel: 4150V 
Barrel Finish: Nitride 
Chrome Lining: None
Muzzle Thread: 5/8-24
Chamber: 300AAC Blackout
Twist Rate: 1:8
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: low-profile
Muzzle Device: A2 Style Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Handguard Type: PSA 7" Lightweight M-Lok Free Float Rail
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-Auto
Charging Handle Included: Yes
Overall Length: 17"

Add To:

Barrel: 7.5" 4150V Chrome Moly barrel chambered in 300AAC Blackout, with a 1:8 twist rate, M4 barrel extension, and a pistol length gas system.  This barrel is nitride treated for accuracy and durability, and is finished off with a PSA 7" Lightweight M-Lok free-float rail, .750" diameter 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: 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: 516447503
SKU 516447503
Brand Palmetto State Armory
SKU: 516447503

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