PSA 10.5" Carbine-Length 5.56 NATO 1/7 Phosphate 9" Lightweight M-Lok MOE EPT Shockwave Pistol Kit - 5165448404

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PSA 10.5" Carbine-Length 5.56 NATO 1/7 Phosphate 9" Lightweight M-Lok MOE EPT Shockwave Pistol Kit - 5165448404

In stock

Special Price $ 349.99

Regular Price: $ 559.99

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.

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 (CA Health and Safety Code Section 25249.6).

SKU: 5165448404
UPC: 5165448404
MFR#: 5165448404

Barrel Length: 10.5"
Barrel Profile: A2
Gas System: Carbine-length
Barrel Steel: 4150V Chrome Moly Vanadium
Barrel Finish: Phosphate
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 Style Flash Hider
Receiver Material: Forged 7075 T6 Aluminum
Receiver Type: M4
Handguard Type: PSA 9" Lightweight M-Lok Rail
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-auto
Charging Handle Included: Yes
Overall Length: 21"
Build Kit: MOE Shockwave EPT Pistol Kit, Black

Add To:

Barrel: 10.5" 4150V Chrome Moly vanadium steel, phosphate treated for durability and chambered in 5.56 NATO with a 1 in 7" twist. 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. Featuring a mil-spec finish, 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.

Build Kit: A high quality lower build kit with everything you need to assemble your AR-15 lower into a pistol. Features our Enhanced Polished Trigger (EPT) fire control group which features finely polished contact surfaces and then finished off with a super slick nickel coating.  This results in a trigger which is significantly smoother than a standard Mil-Spec trigger assembly. Pistol kit also includes a Shockwave Blade pistol stabilizer, Shockwave tube, Magpul MOE grip, MOE trigger guard, carbine buffer spring, and standard carbine buffer.

SKU: 5165448404
SKU 5165448404
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: 5165448404

Questions and Answers

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Browse 4 questions Browse 4 questions and 8 answers
Is this legal in maryland?
jeff a on Jul 4, 2018
BEST ANSWER: Any law repugnant to the constitution is null. One may proceed as though the law were never written.
What else do I need to build a completed ar? Can you give me the parts number?Thanks.
Peter on Jul 4, 2018
BEST ANSWER: To complete this kit you would need a lower of your choice. I would also recommend an MBUS flip up sight set as the kit does not come with any.
Is the upper receiver assembled or shipped in pieces?
David O on Sep 6, 2019
BEST ANSWER: All of their kits like this come unassembled (unless it says assembled specifically), as shown but separated into plastic bags. You will need some tools to assemble, but honestly it's not difficult to do.
Is this an adjustable stock?
scott M on Apr 17, 2019
BEST ANSWER: Not on the fly, it's got a set screw that is on the bottom that secures it to the buffer tube at whatever length you want.


4.9 / 5.0
14 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Awesome kit great customer service
May 17, 2019
6 months ago
Great "band for your buck"!! Accurate little pistol and a ton of fun as well!!
February 13, 2019
9 months ago
Sweet shooting little set up. Love the short barrel still firing common 5.56 round
February 11, 2019
9 months ago
Great kit and price
Turned out great. Absolutely no complaints here. Love this AR pistol. Already taken serval rabbits and a coyote with it.
User submitted image
Added Jan 10, 2019
January 10, 2019
10 months ago
Can't beat this kit for the price. Would definitely recommend.
Finished build.
Finished build.
December 23, 2018
10 months ago
Great upper kit!!!
Great little “pistol” kit. Attached it to an Anderson lower made for an inexpensive, but very reliable, weapon!!! Will definitely recommend to others.
Added an Anderson lower with a vortex crossfire.
Added an Anderson lower with a vortex crossfire.
December 11, 2018
11 months ago
Awesome gun!
Great quality with a great price
November 25, 2018
1 year ago
Very happy with it. Has better accuracy than I expected with having only a 10.5 inch barrel. So far, no complaints.
September 20, 2018
1 year ago
Great kit...great price.
This kit was great. All the parts were there and even included a couple of extra detents. Had the lower assembled in 30 minutes. We took them out shooting and all went well
Mine ans my sons
Mine ans my sons
September 3, 2018
1 year ago
Great product 2nd AR build very easy
User submitted image
Added Aug 12, 2018
August 12, 2018
1 year ago

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