PSA 10.5" Carbine-Length 5.56 NATO 1/7 Nitride 12" Slant M-Lok MOE EPT SBA3 Pistol Kit - 5165448877

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PSA 10.5" Carbine-Length 5.56 NATO 1/7 Nitride 12" Slant M-Lok MOE EPT SBA3 Pistol Kit - 5165448877


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: 5165448877
UPC: 5165448877
MFR#: 5165448877

Barrel Length: 10.5"
Barrel Profile: A2
Gas System: Carbine-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: 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, nitride 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 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 1/2-28 for 5.56 NATO. 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 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 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: 5165448877
SKU 5165448877
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: 5165448877

Questions and Answers

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Browse 14 questions Browse 14 questions and 21 answers
Can I use a suppressor with the rail on this build?
Travis C on Aug 26, 2018
BEST ANSWER: The PSA flash can has an o.d. of 1.20”. Measuring my PSA 12” mlok slant rail and anything larger then 1.20” might make contact while firing due to barrel whip and close tolerances. Most 5.56 rated suppressors are around 1.5” o.d. So in general I would say no a suppressor cannot be with this combination of a 10.5” barrel, and this particular 12” rail.
Does the build kit include everything for a stripped lower?
David S on Jul 30, 2018
Hey David, I bought this exact kit for my build &.. As far as I am concern, Mine 5 STARS! PSA Rocks!
Peace Jeff
Can this item be shipped to Maryland ?
RyanB on Aug 7, 2018
BEST ANSWER: Yes I live in crisfield and I had my 14.5 shipped to my house. also if the item is restricted it will tell you once you add it to your shopping cart
Whats better. Pistol or carbine gas for the 10.5 kit?
jeremiah f on Aug 27, 2018
BEST ANSWER: I'm sure PSA has the gas port sizes tuned to the point both are reliable; but the carbine gas port has to be huge to make the action cycle with such a short dwell time. Probably feels like firing an over gassed weapon. Pistol gas/10.5" has a dwell time more in line with carbine gas/16" and rifle gas/20" systems and the action should cycle more in line with the latter two as well.
When will this be back in stock?
Cade K on Nov 24, 2018
What is the overall weight of this upper setup?
Jonathan K on Sep 21, 2018
When assembled, what is the overall length from the flash can to the back end of the buffer tube? To the back end of the brace when in the shortest position and longest position?
Frank G on Dec 3, 2018
Will any lower work?
Raul M on Dec 7, 2018
BEST ANSWER: Mine’s sitting on an Anderson Manufacturing lower and so far it functions perfectly.
Does this kit come with a rear takedown pin detent that is threaded for a 4-40 set screw ? The lower that I want to use with this kit calls for a 4-40 set screw.
Roland G on Dec 6, 2018
BEST ANSWER: It goes together like every other AR kit I’ve assembled, and I haven’t used a set screw on any of them. Good kit, but I don’t remember any threads for set screws on a takedown pin or detention.
Can you get this in FDE?
Naim M on Dec 3, 2018
BEST ANSWER: I don't think so with this particular kit. you can piece one together for close to that price if you look around.
I can seem to locate the brand name for the barrel. Is it listed on here? If so what is the brand?
Braden S on Dec 4, 2018
BEST ANSWER: There are no markings indicating the barrel manufacturer. Just "300BLK 1/8".
What is the over all length of the pistol with brace installed? 21"?
Leomtz03 on Oct 22, 2018
BEST ANSWER: no, just the upper itself with barrel and flash can is 21"
Can you ship to California?
Sukhjot on Nov 26, 2018
Can it be shipped to California ?
Adrian on Sep 28, 2018


4.5 / 5.0
33 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Very good quality for the price. It’s not high end (although cosmetically it looks that way lol) but it’s a great package and great price.
Excellent kit. Since completed, Iv had zero malfunctions or reliability issues. I have about 600-700 rounds through it so far. I would absolutely purchase another kit from PSA.
December 4, 2018
4 months ago
Sweet deal
I love this lit. I paired it with a space force lower and a LaRue Tactical 2 state trigger. It's my new favorite ar pistol
December 1, 2018
1 month ago
excellent kit
Bought several months ago and really enjoyed building my first kit. Everything is bagged in sections which really helps when completing your first kit and not sure which spring goes where! Everything fit nice and tight with no issues. Great pistol! Just ordered a 6.5 Grendel to build now! PSA is GREAT!
December 1, 2018
Great kit!
Parts are well made. Fit is very good. Pleasantly surprised at how nice the trigger is. Good break but smooth pull. No need to replace with upgrade. Gets lots of complements. Shoots well. Only part I will probably add is the folding stock adapter.
Put my old Aimpoint on. Still works great. 50yd zero.
Put my old Aimpoint on. Still works great. 50yd zero.
November 30, 2018
1 month ago
Awesome little kit
Awesome Little pistol kit. Perfect fit and length. Also ran steel and brass. The trigger is nice smooth and crisp. Was not expecting that from a kit trigger. Good buy
User submitted image
User submitted image
User submitted image
November 26, 2018
Awesome Pistol Kit
Love this pistol kit on top of it looking good. It’s the perfect length and fit. Ran both steel and brass ammo. And pairs up perfect with the Sig Romeo 5.
November 26, 2018
Nice AR Pistol
Parts are well made and the fit is excellent. Went together relatively easily and is really fun to shoot - no misfeeds or jams.
November 21, 2018
2 months ago
Works GREAT!
Paired with PSA Stealth lower, everything fits perfectly. PSA enhanced trigger is surprisingly crisp. Using Primary Arms Cyclops ACSS optic. Have ran 150 rds through it without any problems, no failures what so ever. About 1-2 inch groups at 50yds with Federal 5.56. Around 2-3 in at 100 yds. But I don't plan on using this more than 50 yds. Would make a good deer hunting gun during pistol season, when using the right ammo.
November 16, 2018
4 months ago
Nice Kit
I have not put this together yet but looks great.
November 14, 2018
1 month ago
Great budget build upper. Functioned flawlessly.
November 1, 2018
3 months ago

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