PSA 10.5" 5.56 NATO 1:7 Nitride 9" Lightweight M-Lok Freedom Upper With BCG & CH - 516446396

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PSA 10.5" 5.56 NATO 1:7 Nitride 9" Lightweight M-Lok Freedom Upper With BCG & CH - 516446396


Quick Overview

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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: 516446396
UPC: 516446396
MFR#: 516446396

Barrel Length: 10.5"
Barrel Profile: A2
Barrel Steel: Chrome Moly Vanadium
Barrel Finish: Nitride
Chrome Lining: No
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
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: A3
Handguard Type: Lightweight M-Lok 9" Free Float Rail
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-auto
Charging Handle Included: Yes
Overall Length: 19.5"

Add To:

Barrel:  10.5" Chrome Moly vanadium steel, melonite treated for durability and chambered in 5.56 NATO with a 1 in 7" twist rate. Carbine length gas barrel is finished off with a PSA 9" Lightweight M-Lok Rail, a 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: 516446396
SKU 516446396
Brand Palmetto State Armory
Daily Deal No
Daily Deal Expires No
Youtube Video No
Free Shipping? Yes
SKU: 516446396

Questions and Answers

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Browse 2 questions Browse 2 questions
Is the barrel 4140 or 4150 steel?
Mark H on May 14, 2018
What is the gas system length?
Nathan M on Jun 2, 2018


4.6 / 5.0
8 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
not as ordered
Fit and finish are solid but picture didn't match what showed up in the box

picture & description shows a 10.5 bbl with carbine length gas tube

upper showed up with 10.5 bbl with pistol length gas tube
August 3, 2018
Response from Palmetto State Armory
We do apologize for that. Please contact Customer Service so we may resolve this issue.
August 6, 2018
Casey S
Shot better than expected. About 1.5-2” at 100 yards with cheap FMJ ammo and just over 1” at 100 with 45gr HP.
July 4, 2018
2 months ago
Great upper. Excellent fit and finish.
June 23, 2018
2 months ago
Exactly what I wanted
Came on time and in perfect condition. Was able to remove the flash hider and install my KAK without issue.
June 21, 2018
2 months ago
Excellent quality, amazing reliability.
I was looking for an upper for my first AR build. I came across this one and have no regrets after purchasing. The build quality is excellent and it has functionality flawlessly on my Anderson arms lower. I've ran about 500 rounds through it and it's been perfect so far.
June 19, 2018
5 months ago
I purchased a10.5" M-LoK upper in 5.56 and it functioned perfectly out of the box on a shock wave equipped PSA pistol lower. Found it to be very accurate for a short barrel. My son and grandson are eyeing it to use in some informal 2 gun matches that are put on close to us. Looks like I will have to buy another one. I will not hesitate to buy another PSA product( I have 6 now) or to recommend them to other people. Excellent quality and great prices.
May 1, 2018
6 months ago
Accurate & Reliable, very handy.
April 29, 2018
9 months ago
Great value surprisingly accurate
I bought this to add a 5.56 upper to a 300BLK pistol. Fit is fantastic finish and overall quality is what you would expect for this price point. However it is printing .5 inch groups at 50 yards which is much better than expected. If you care more for function than aesthetics this is a great deal.
November 12, 2017

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