PSA 20" Rifle-Length 1/7 Nitride 15" Lightweight M-lok Upper with BCG & CH - 5165450090

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PSA 20" Rifle-Length 1/7 Nitride 15" Lightweight M-lok Upper with BCG & CH - 5165450090

TEMPORARILY OUT OF STOCK

Quick Overview

WARNING: This product can expose you to the chemical lead, which is known to the State of California to cause cancer and reproductive harm. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).

SKU: 5165450090
UPC: 5165450090
MFR#: 5165450090

Barrel Length: 20"
Gas System: Rifle Length
Barrel Profile: A2 Style
Barrel Steel: 4150V Chrome Moly
Barrel Finish: Nitride
Chrome Lining: None
Muzzle Thread: 1/2-28
Chamber: 5.56 NATO
Twist Rate: 1 in 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: M4
Handguard Type: PSA 15" lightweight M-Lok rail
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-Auto
Charging Handle Included: Yes
Overall Length: 32"
Weight as Configured: 4 lbs

Add To:

Barrel: 20" Chrome-moly barrel steel chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a rifle-length gas system. The A2-style profile barrel is finished with a nitride finish for durability. The barrel is finished off with a .750" diameter low-profile gas block, PSA 15" Lightweight M-Lok free float rail, and an A2 flash hider.

Upper: Forged 7075-T6 A3 AR upper is hard coat anodized black for durability. Featuring M4 feedramp cuts, T-marks, these upper receivers are made for us right here in the USA.

Bolt Carrier Group: For AR15 and M16 rifles and carbines. Bolt is made of shot-peened, Mil-spec Carpenter 158® steel. Gas key is secured with grade 8 fasteners and staked.

SKU: 5165450090
SKU 5165450090
Department Uppers
Brand Palmetto State Armory
Daily Deal No
Daily Deal Expires No
Unit Price N/A
Youtube Video No
Free Shipping? No
Free Shipping Qty Label No
Free Shipping Qty No
SKU: 5165450090

Questions and Answers

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Browse 6 questions Browse 6 questions and 8 answers
Is the barrel mil spec or cold hammer forged?
Rooster on Dec 7, 2018
BEST ANSWER: PSA uses hammer forged FN barrels.
Could i get this with a side charging handle?
John C on Mar 10, 2019
BEST ANSWER: No but if you're really skilled you could make it into one.
Will it fit my m&p lower?
Epilot_06 on Mar 29, 2019
BEST ANSWER: Yes
Will this fit a Colt Sporter lower?
David A on Mar 28, 2019
BEST ANSWER: I wouldn't see why it wouldn't fit. I put mine on a TN Arms action that I built and it works great.
I currently have a standard carbine buffer and tube attached to my lower. What is the recommended buffer for this rifle length barrel?
Bond on Apr 17, 2019
BEST ANSWER: I don't have any pistol length gas systems but I switch my carbine, mid and rifle length uppers and lowers around all the time. They all work fine together .
What material is the upper?
Chester C on Apr 7, 2019
BEST ANSWER: Aluminium receiver, hand guard, and charging handle with a FN hammer forged barrel.

Reviews

5.0 / 5.0
13 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
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20".
Love the 20" barrel. Just that four extra inches from your regular 16" barrel makes all the difference in the world.
August 6, 2019
Purchased
2 months ago
Accurate to 1200+ Meters
This PSA with 20" barrel and a quality scope can reach out to 1200 meters competitively. I'm very pleased!
August 2, 2019
Purchased
5 months ago
Another winner
This is a beautiful tack driver. Whoever designs the m-lok handguards is the best. I have several 20" PSA's and they're always the best looking rifles at the range. This one might be my new fave. They shoot even better. If you want a long range AR this one cant be beat.
Shop
Backyard
July 3, 2019
Purchased
2 months ago
Awesome upper!
Just what I wanted and great quality as always. Here is a link to the range test of it.

https://youtu.be/9uPbwVNblf0
User submitted image
User submitted image
User submitted image
User submitted image
June 13, 2019
Purchased
4 months ago
Excellent
Absolutely love this upper, came assembled exactly as depicted. It is everything I wanted/needed and then some. I recommend PSA to anyone, great quality at an awesome price.
June 13, 2019
Purchased
4 months ago
Stays accurate after many shots.
It took a disappointing 2 weeks to recieve it. But it works perfect and maintains good accuracy after many shots. I'm shooting 75gr HP.
June 1, 2019
Purchased
4 months ago
Took a few weeks to arrive but worth the wait would recommend to anyone
Finally all together 
Wife said first project I ever finished.
Finally all together Wife said first project I ever finished.
May 25, 2019
Purchased
4 months ago
REALLY NICE 20" UPPER
I haven't taken this firearm to the range just yet but I'm really looking forward to it. The quality of the construction and fitment are excellent. I anticipate that it will shoot accurately. I'm considering dropping a match grade trigger but in the meantime, I'm running a mil-spec trigger. It has a length gas system so recoil shouldn't be a problem. Looking forward to some fun on the range.
AR-15 5.56 with Magpul furniture.
AR-15 5.56 with an M-Lok rail system.
20" barrel with a CVLife 3-9 56mm scope and bi-pod with Magpul MOE furniture.
May 2, 2019
Great Value
Wonderful value, always been a good choice for me will buy again from PSA.
May 1, 2019
Purchased
5 months ago
Great value
Few minor nicks. Almost unnoticeable. Fine Barrel fairly accurate with both red dot and scope. Blast to shoot
20inch upper. Bushnell trophy 3-9 with cheap mount. Solid shooter.
20inch upper. Bushnell trophy 3-9 with cheap mount. Solid shooter.
March 18, 2019

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