PSA 16" Midlength 5.56 NATO 1/7 Nitride MOE EPT Rifle Kit & Rear MBUS - 516444983

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PSA 16" Midlength 5.56 NATO 1/7 Nitride MOE EPT Rifle Kit & Rear MBUS - 516444983

In stock

Regular Price: $ 719.99

Special Price $ 379.99

Quick Overview

SKU: 516444983
UPC: 516444983
MFR#: 516444983

Gas System: Mid-Length
Barrel Profile: A2
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: F-marked Front Sight Base
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Hand guard Type: Magpul MOE Black Handgaurds
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full Auto
Charging Handle included: Yes
Rear Sight: Magpul MBUS Rear Flip-Up Sight
Overall Length: 24.5"

Add To:

Barrel: Nitride finished 4150V chrome moly vanadium 16" barrel. Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a Mid-length gas system. Barrel is is finished off with Magpul MOE Mid-length handguards, F-Marked gas sight base, and A2 flash hider.

Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized for durability. These uppers are made for us right here in the USA by a mil-spec manufacturer.

Bolt: Full-auto profile bolt carrier group. Milspec Carpenter No. 158® steel bolt, Shot Peened, High pressure tested, Mag particle inspected,  Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec.  8620 steel M-16 profile carrier is chrome lined and phosphate coated.

Build Kit: PSA EPT MOE Lower Build Kit

Includes Magpul MOE Stock,  Pistol grip, and trigger guard, Palmetto State Armory EPT  Lower Parts Kit and Mil-Spec diameter 6-position buffer tube assembly.

EPT Lower parts kit upgrades the standard combat-style fire control group with a single-stage, target-style,  fire control group with polished contact surfaces and a electroless nickel coating.

Everything you need to finish your stripped lower!

Includes: Magpul® MBUS Rear Sight, Black

SKU: 516444983
SKU 516444983
Brand Palmetto State Armory
Daily Deal No
Daily Deal Expires No
Youtube Video No
Free Shipping? Yes
SKU: 516444983

Questions and Answers

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Browse 4 questions Browse 4 questions and 11 answers
Does this upper come with a FN barrel?
D D on Apr 20, 2018
BEST ANSWER: No, this upper has a 1:7 Nitrided PSA barrel with a midlength gas system. FN barrels are a part of PSA's "Premium/CHF" line.
Other than the FN barrels, does PSA make their own barrels in the USA?
Joseph P on Apr 24, 2018
BEST ANSWER: Yes, PSA barrels are made in South Carolina.
Is this a complete kit? I only have my Lower and need to build. Does this kit have everything else i need?
Alfred C on May 22, 2018
BEST ANSWER: Yes, it has everything to complete your build if you have a lower. I bought my lower and ordered this kit and everything fit perfect.
Is it possible to get a 556 NATO 1/8 twist barrel in this kit instead of the 1/7?
Southpaw on May 16, 2018


4.9 / 5.0
36 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Good quality kit.
A good kit, includes everything you need. The only issue I had was with the fitment of the pivot and takedown pins being too tight. This wasn't a deal breaker for me as I'd already ordered strike industries pins before this kit arrived, just put off finishing my assembly a couple days.
May 23, 2018
7 months ago
Great AR 15!
I had read about these kit guns and after ordering a tool set I got this kit and assembled it. I was very impressed! Great company and a quality USA made rifle. I shot 1.5 MOA groups at 100 yards with X-Tac PMC 55 grain and a Primary Arms 2.5X Prism Scope. M855 ammo was 3 MOA. Get one!
May 22, 2018
1 month ago
Great Entry Level AR
Great entry level kit for the money. Quality was very high for as little as this kit costs. Only flaw I can detect is the omega "stamp" is slightly off but this obviously does not affect function. All parts on the upper receiver were installed properly by PSA. All of the pins fit well showing the lower receiver was well made. The trigger has a lot of creep, but it does not feel like a lot of creep because the polished surface is pretty smooth and does not have as much of that gritty feel. Overall outstanding value for the weekend warrior.
May 21, 2018
1 month ago
Quick easy build. Only have shot 140 rounds through it so far but, shot flawlessly! Very affordable, fast shipping. I'll be buying a second one soon!
May 21, 2018
1 month ago
Awesome kit! Zero issues so far.
May 20, 2018
1 month ago
Love it. Great kit for the price. Trigger is wonderful and fit & finish is fantastic. I couldn’t be happier.
User submitted image
Added May 20, 2018
May 20, 2018
1 month ago
Another good job by PSA.
All items arrived in less than a week. Parts packaged individually per grouping. Included was an extra detent and spring. Everything attached to an Anderson lower and is much tighter than the Ruger AR556. Only issue was the hole in the magpul trigger guard was too small for the pin. And I added some "character" to the lower trying to insert the pin. But once the hole was enlarged in the plastic trigger guard there was no problem. About a hundred rounds so far with zero issues.
Not my first or hopefully last PSA transaction.
Very satisfied.
Very satisfied.
May 20, 2018
1 month ago
High quality at a great price.
This is a great buy. Very high quality and fit and finish is fantastic. This would be great for a beginner or another quality piece to add to anyone’s collection. This was an easy build and the quality rivals rifles at twice the price.
May 19, 2018
1 month ago
Very EZ to put together.
Love it & very EZ to put together and I look forward to the next AR15 that I get from Palmetto State Armory.
May 19, 2018
1 month ago
Great rifle, very accurate! It really surprised me. Would definitely purchase again!
May 19, 2018
1 month ago

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