PSA 10.5" Pistol-Length 300AAC Blackout 1/8 Phosphate 12" Slant M-Lok MOE EPT SBA3 Pistol Kit - 5165448818

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PSA 10.5" Pistol-Length 300AAC Blackout 1/8 Phosphate 12" Slant M-Lok MOE EPT SBA3 Pistol Kit - 5165448818

In stock

Regular Price: $ 699.99

Special Price $ 399.99

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 (CA Health and Safety Code Section 25249.6).

SKU: 5165448818
UPC: 5165448818
MFR#: 5165448818

Barrel Length: 10.5"
Barrel Profile: A2
Gas System: Pistol-length
Barrel Steel: 4150V Chrome Moly Vanadium
Barrel Finish: Phosphate 
Chrome Lining: No
Muzzle Thread: 5/8-24
Chamber: 300AAC Blackout
Twist Rate: 1:8
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: Low-profile
Muzzle Device: PSA Fluted Flash Can
Receiver Material: Forged 7075 T6 Aluminum
Receiver Type: M4
Handguard Type: PSA 12" Slant End 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 SBA3 EPT Pistol Kit, Black

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Barrel: 10.5" 4150V Chrome Moly vanadium steel, phosphate coated and chambered in 300AAC Blackout with a 1 in 8" twist. Pistol-length gas barrel is finished off with a PSA 12" Slant End M-lok Rail, a low profile gas block and a PSA Fluted Flash Can.

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.

Flash Can: Palmetto State Armory's Fluted "FLASH CAN". This is a solid 6061 aluminum device that is designed to direct muzzle gases and the muzzle flash forward. Threaded 5/8-24 for 300AAC. Black military-style hard anodizing. THIS DEVICE IS NOT DESIGNED TO REDUCE RECOIL, MUZZLE RISE, OR FLASH SIGNATURE. This device is designed to direct gasses and noise forward away from the shooter and enhance the weapon's appearance.

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 nitride treated.

Build Kit: A high quality lower build kit with everything you need to assemble your AR-15 lower into a pistol. Features Enhanced Polished Trigger (EPT), Magpul Grip, Magpul Trigger Guard, and black oxide coated hammer and trigger springs. Also includes SB Tactical SBA3 Adjustable Pistol Brace, castle nut, latch plate, carbine buffer spring, 5 positioning mil-spec buffer tube, and standard carbine buffer.

SKU: 5165448818
SKU 5165448818
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: 5165448818

Questions and Answers

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Browse 13 questions Browse 13 questions and 24 answers
Is this setup designed to effectively cycle the sub sonic ammo, or would the gas system need to be replaced?
JAY M on Jul 19, 2018
BEST ANSWER: It should run fine. It has a pistol length gas system, without knowing the gas port size I would say YES due to it having a carbine buffer and standard buffer spring.
Can I get this exact kit made with a nitride barrel and a better spec bolt carrier group (your premium)?
Brad S on Oct 15, 2018
will a silencer fit under the handgaurd?
drmacsmith on Sep 26, 2018
BEST ANSWER: Depends. The handrail is roughly 1.5”, and with most cans being 1.5” diameter, the answer would be “no”. I had this same issue after buying this pistol and started looking for a solution. I have found that Liberty surpressors sells a can call Mystic X, with specs of Length: 8” Diameter: 1.375” Weight: 10.5 oz. Given that diameter and it’s design, it should direct thread under this PSA handguard.
It this kit complete to build a complete pistol or do I need to purchase other parts? This will be my first build.
Capt.Weekend on Sep 19, 2018
BEST ANSWER: Will need a stripped lower to finish.
Is this whole kit only for a full auto or is it for semi-auto builds? The BCG description has me confused. I am looking into buying for a pistol build.
Aaron T on Sep 6, 2018
BEST ANSWER: Yes, it is ok for semi build and the lower parts included are for semi.
When will this be back in stock?
KYLE S on Jan 22, 2019
with the fluted flash can being on there, will I be able to fit a suppressor on it after removing the flash can? (a little confused because it looks like the barrel ends before the rail system does
Joshua W on Nov 30, 2018
BEST ANSWER: The barrel length is 10.5", the rail length is 12.5", so yes the barrel does end inside the rail. The outside diameter of the flash hider is about 1 3/16" and it fits inside the rail with minimal clearance, so your suppressor would have to be same diameter to clear. You might want to look at another pistol kit with a shorter rail.
Can the hand guard be replaced at all?
a k on Dec 27, 2018
BEST ANSWER: Yes it can. It is no different than any other hand guard, but you cannot put a vertical hand grip on it.
What are some opinions of the fluted flash can?
Murph on Nov 23, 2018
BEST ANSWER: Functions well and looks good. Fills the gap until my can is out of suppressor jail
Itbsays the barrel profile is a2, but i have never seen a .300 that is not HBAR. Is this a mistake or is it really a2?
George C on Mar 14, 2019
BEST ANSWER: Good call mine is a HBAR
Has anyone had issues with the rail moving forward while firing at all? I've heard of it happening before on a similar PSA build
Harrison S on Dec 3, 2018
BEST ANSWER: I haven't had any issues with my build but I've only put about 250 rds threw it ... check the screws and maybe apply lock tite
What is the length of the handgaurd at its longest point?
Shean D on Mar 15, 2019
What is the overall length of the pistol?
InfDad2/16-1st on Nov 19, 2018


4.6 / 5.0
27 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Best bang for the buck. With an updated trigger and BCG this makes a really good truck gun.
Can’t beat the price. Parts all work really with the the Aero lower.
Can’t beat the price. Parts all work really with the the Aero lower.
May 21, 2019
2 months ago
Great gun for a very reasonable price. Paired it with the reaper lower and some magpul pro sight.
May 18, 2019
2 months ago
Great items at a great price
User submitted image
Added May 16, 2019
May 16, 2019
2 months ago
10.5" 300 blackout pistol kit
It's a great kit and was very competitively priced. When I built my gun I couldn't believe how accurate it shot! I will definitely be buying more from Palmetto State Armory in the future.
User submitted image
User submitted image
User submitted image
May 12, 2019
2 months ago
Great quality and value entry level or any level you will not be disappointed
Very pleased with this kit, this was my 1st build
Fit and finish are very good, b4 I put it together I had planned on replacing the trigger but after the 1st couple rounds I realized it won't be necessary .. .very accurate .. I put a Romeo 5 on it and couldn't be happier with this set up .. .can't wait till
Deer season to get here to use it to put some meat in the freezer
User submitted image
Added May 11, 2019
May 11, 2019
2 months ago
Shoots 4” groups at 100 yards right out of the box. Still got some fine tuning to do.
Love it! Put together with my stripped PSA lower and STNGR HWK handguard and Yankee hill muzzle brake. The Sig Romeo was a perfect fit also. Couldn’t ask for a better match!
May 7, 2019
2 months ago
Great Product for me!
It was my first build, the kit came in separated in different bags, ease of figuring things out. Well put together kit thanks guys. Fires nice too.
User submitted image
Added May 7, 2019
May 7, 2019
2 months ago
Great gun
Awesome gun at a Great price!
Makes a Awesome gun at a great price!
Makes a Awesome gun at a great price!
May 6, 2019
2 months ago
good parts
Had no issues with any of the parts in this kit. Good to go for .300 blkout
February 3, 2019
6 months ago
everything went together really smoothly, used a savage recon lower, added a vortex strike eagle 2 with their 1 piece cant. mount, flawless with every type ammo i’ve ran through it
User submitted image
Added Jan 29, 2019
January 30, 2019
5 months ago

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