8.5" lightweight classic shockwave railed ar-15 pistol kit

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PSA 8.5" Pistol-length 5.56 NATO 1/7 Nitride 7" Lightweight M-Lok Classic Shockwave Pistol Kit - 5165449143

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Regular Price: $ 549.99

Special Price $ 349.99

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: 5165449143
UPC: 5165449143
MFR#: 5165449143

Barrel Length: 8.5"
Barrel Profile: Heavy
Gas System: Pistol-length
Barrel Steel: 4150V 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 Style Flash Hider
Receiver Material: Forged 7075 T6 Aluminum
Receiver Type: M4
Handguard Type: PSA 7" Lightweight M-Lok Rail
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-auto
Charging Handle Included: Yes
Build Kit: PSA Classic Shockwave Pistol Kit, Black

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Barrel: 8.5" 4150V Chrome Moly vanadium steel, nitride treated for durability and chambered in 5.56 NATO with a 1 in 7" twist. Pistol-length gas barrel is finished off with a PSA 7" 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 phosphate coated. 

Build Kit: A high quality lower build kit with everything you need to assemble your AR-15 lower into a pistol. Pistol kit includes a Shockwave Blade pistol stabilizer, Shockwave tube, PSA classic A2 grip, USGI trigger guard, carbine buffer spring, and standard carbine buffer.

SKU: 5165449143
SKU 5165449143
Brand Palmetto State Armory
Daily Deal No
Daily Deal Expires No
Youtube Video No
Free Shipping? Yes
Free Shipping Qty Label No
Free Shipping Qty No
SKU: 5165449143

Questions and Answers

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Browse 10 questions Browse 10 questions and 21 answers
Has anyone who has put this together measured the over all lenght? looking to see if it is over 26" over all.
Justin K on Dec 12, 2018
BEST ANSWER: Not a chance. My 10.5" pistol is not 26" OAL unless I were to pin the flash suppressor. Generally speaking, an 11.5" barrel pistol will get you there.
With this kit, the only piece I need is a stripped lower reciever to finish the build, correct?
Meh... on Dec 31, 2018
BEST ANSWER: Correct that is all you need. I watched one video and used basic tools. Went together easy and works great.
What does this kit weigh after assembly? (unloaded with a standard lower)
Joel B on Feb 11, 2019
BEST ANSWER: With a magazine and red dot about six pounds.
What is the overall length, collapsed?
Ethan on Jan 11, 2019
BEST ANSWER: 24.25" with the brace all the way collapsed
The Shockwave tube is it a commercial or mil-spec tube?
Peter S on Oct 20, 2018
BEST ANSWER: Neither, it's not a standard tube, it's round for the shockwave.
Does this kit come with the H2 buffer? Also thinking about intalling a LAW tactical folder.. its comes with a bolt extension. Will it affect reliability?
Elias D on Oct 16, 2018
BEST ANSWER: This kit comes with a standard 2.9 oz. buffer. The LAW tactical folder works just fine on my units.
Is the bcg already assembled?
Austin on Aug 25, 2018
BEST ANSWER: Yes it comes assembled. However you should field strip completely to clean and lubricate for proper function.
Will a Pantheon DOLOS takedown adaptor work with handguard?
Bogie on Feb 12, 2019
Is this barrel manufactured by FN?
James L on Sep 19, 2018


4.3 / 5.0
11 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
great piece. great value. no problems with assembly. no shortage of parts. works flawlessly
March 4, 2019
2 months ago
Real nice kit, runs flawlessly
Just such a well made kit, 500 reds without an issue. The shockwave brace is useful, I would have got the SB tactical brace if I had a do over. Just personal preference.
March 1, 2019
2 months ago
I’m very happy with 8.5” kit. Everything runs extremely well.
February 11, 2019
3 months ago
Great Truck/Home Defense Kit!
This is the kit to buy if you’re looking to begin building the perfect truck/home Defense gun. Add a $40 stripped lower and you’ve got yourself a complete setup for just about $350. Then upgrade from there if desired. Can’t go wrong!
8.5 Shockwave Kit  w/Streamlight, DD iron sights, Magpul Bad Lever, & Radian Raptor LT CH. #TruckGun
8.5 & 10.5 Shockwave Pistols, 16 DDM4V11, Chest Rig, 1st Aid&Survival Kits along w/30 Assorted Mags.
Another angle of the PSA 8.5” Shockwave Pistol Kit w/ 500 lumen Streamlight.
Pretty sexy truck gun build for under $350, then start customizing to suit the duty.
January 20, 2019
2 months ago
Great build and good shooter
I really enjoy shooting this pistol, it was an easy build and fits (broken down) in a backpack even with an optic mounted. I have another in 300 Blackout that I am sure I will enjoy just as much
January 1, 2019
4 months ago
Love this gun
Great shooter, at a great price if you build it yourself as is. I added a finger grip style grip and a forward blast compensated. Love this gun.
December 31, 2018
6 months ago
Unicorn SBR
Great little light weight SBR
User submitted image
Added Dec 2, 2018
December 2, 2018
4 months ago
Not happy at all with purchase
Gas block was on at a angel. My gas rings broke a section on second time to range. With less than 50 rounds through pistol. I found my flash hider not aligned properly. My gas tube glows bright blue when only a couple rounds have been put through it wrote to palmetto and was told that that is normal and have been told by several gun smiths that this is very dangerous. The Ejector is having issues ejecting casings. I found the set nut that holds the barrel in place for free float rail was loose. I could of been injured very bad. I felt like customer service blew me off.
November 14, 2018
5 months ago
Response from Palmetto State Armory
We do apologize for that. Since all of our parts and firearms are covered by our Unlimited Lifetime Warranty, if you have any issues arise from the craftsmanship of the product, we can either have select parts sent to you for you to replace, or we can have the item brought in, at no cost to you, so we can repair or replace the defective product. Please contact Customer Service so we may resolve this issue.
November 14, 2018
Casey S
Barrel threaded improperly. Not one muzzle device that I have tried (with new crush washers of different brands) have fit properly. I have tried 4 different ones.
November 1, 2018
6 months ago
Hard to beat for the price
Good kit. Went together well. Good finish. Threw it on a spare poverty pony lower I had so I have a great truck gun for less than $350.00.
October 20, 2018
5 months ago

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