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


Quick Overview

free shipping Free Shipping applies to this item only and not the entire order.

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 www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).

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 23 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


4.5 / 5.0
16 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Thumbs up!!!👍
Great value and a lot of fun to shoot!
June 14, 2019
1 month ago
Everything we expected it to be.
Bought this to build as a learning experience with my Son. Went together perfect and had a blast at the range with no issues.
May 25, 2019
2 months ago
PSA pistol with 5.56 1:7 8.50” long barrel.
I took the pistol to the range and it operated flawlessly.

However, the pistol seemed to be over gassed, and the gas block was not adjustable so it was slinging brass 15 feet away. I believe I will replace the original gas block with an adjustable gas block. Just something to keep in mind if you do buy this pistol.
May 23, 2019
3 months ago
Great addition to any collection
Great pistol kit. Very fun to shoot. Lots of muzzle blast and occasional fireballs
8.5” of America
8.5” of America
April 15, 2019
4 months ago
PSA is the best don’t waste your time anywhere else
Like all PSA products I have never had a problem with them over 40 builds you cannot find A better product for your money there is no one else priced better than them and with the quality they have they are my go to one stop shop for everything I need go ahead and try someone else but good luck they are legit they do what they say when they say and you will receive your product with no issues problems you do not have to worry when purchasing from PSA I swear on that don’t waste your time with anyone else I’m a common Joe just like anybody else I don’t work for PSA and for me to tell you this they are very trusted in my book
April 15, 2019
4 months ago
great piece. great value. no problems with assembly. no shortage of parts. works flawlessly
March 4, 2019
5 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
5 months ago
I’m very happy with 8.5” kit. Everything runs extremely well.
February 11, 2019
6 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
5 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
7 months ago

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