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FIREARM SHIPPING DELAY: Please expect a delay up to 10 business days for your firearm order to ship.
PSA 8.5" SS 300AAC Blackout 1:7 M-Lok Lightweight Upper - Without BCG or CH - 516444660

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PSA 8.5" SS 300AAC Blackout 1:7 M-Lok Lightweight Upper - Without BCG or CH - 516444660

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: 516444660
UPC: 516444660
MFR#: 516444659

Barrel Length: 8.5"
Gas System: Pistol-length
Barrel Profile: A2 Style
Barrel Steel: 416R Stainless Steel
Barrel Finish: Stainless Steel 
Chrome Lining: None
Muzzle Thread: 5/8-24
Chamber: 300 AAC Blackout
Twist Rate: 1 in 7"
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
Hand guard Type: PSA " Lightweight M-Lok Rail
Bolt Carrier Group Included: No
Bolt Steel: N/A
Bolt Carrier Profile: N/A
Charging Handle included: No
Overall Length: 17"
Weight as configured: 3 lbs

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Barrel: 416R Stainless Steel, Chambered in 300 AAC Blackout, with a 1:7 twist, M4 barrel extension, and a pistol gas system this barrel features a stainless steel finish. It is finished off with a PSA 6" Lightweight M-Lok 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.

Each upper is assembled to order with care, and test fired.

SKU: 516444660
SKU 516444660
Brand Palmetto State Armory
SKU: 516444660

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