PSA 10.5" 5.56 Lightweight M-lok Slant 12" Upper With MBUS Sight Set, BCG, CH, & Fluted Flash Can - 516447012

More Views

PSA 10.5" 5.56 Lightweight M-lok Slant 12" Upper With MBUS Sight Set, BCG, CH, & Fluted Flash Can - 516447012


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.

SKU: 516447012
UPC: 516447012
MFR#: 516447012
  • 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: Palmetto State Armory Fluted Flash Can
  • Receiver Material: Forged 7075 T6
  • Receiver Type: M4
  • Hand guard 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
  • Includes: Magpul MBUS Sight Set, Black
  • Overall Length: 21"
  • Weight as configured: 3.45 lbs.

Add To:

Barrel: 10.5" 4150V Chrome Moly vanadium steel, melonite 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 Palmetto State State Armory 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 new 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 mil-spec 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.

Includes: Magpul MBUS Sight Set, Black

SKU: 516447012
SKU 516447012
Brand Palmetto State Armory
Daily Deal No
Daily Deal Expires No
Youtube Video No
Free Shipping? Yes
SKU: 516447012

Questions and Answers

Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 12 questions Browse 12 questions and 34 answers
Does anybody know if a Saker 5.56 can will fit with this rail? Thanks!
Ghost on May 16, 2018
Do these uppers come already assembled?
Anthony D on Jun 27, 2018
Yes. They are fully assembled. However mine required slight relief of the mounting holes to smoothly align the pins. (Read fine rat-tail file and 10 min elbow grease)
What is the inside diameter of the hand guard?
Joe M on May 29, 2018
BEST ANSWER: 1.5" left to right lil higher on top side for gas tube.
Are those iron sights or polymer?
mark j on Jun 30, 2018
BEST ANSWER: I received polymer as well but they seem very sturdy
I don’t need to buy a pistol lower with this upper do I?
John T on Jun 23, 2018
BEST ANSWER: This upper can be attached to any lower set up as a pistol. Limitations are you can't use a lower that's already registered as a rifle. Without changing the classification. Any stripped lower register as a lower will be good to go. But basically as long as the lower is millspec it will function
Can you replace the flash can with a Lantau dragon or will it be to close to the hand guard and damage it?
Raymond B on Jun 29, 2018
BEST ANSWER: The hand guard covers the end of the barrel a little, just enough to make it so that if you want to replace the flash can, you'll have to remove the hand guard first so you have space to work. The hand guard comes off easy and the only issue you might have is in making sure you don't scratch anything as you take it off. It's not anymore difficult than replacing the muzzle device, it's just a couple more steps in the process.
I need this same unit in 300 blk?
Tim R on May 31, 2018
BEST ANSWER: Then you need to buy a upper chambered in 300blk you can still slap it on any 5.56 or multi cal lower you can use your same AR mags as well only thing different is the upper.
Will a Silencerco Omega fit inside this rail? The silencer has a 1.5" outer diameter.
txoracle on Jun 24, 2018
BEST ANSWER: My handguard measures just under 1.5 inches ID.
“Overall length 21 inches” - Is this saying that the upper alone is 21” long?
Nathan A on May 27, 2018
BEST ANSWER: Yes, the entire upper
What buffer should I use and should I get an adjustable gas block?
Ralph on May 22, 2018
BEST ANSWER: Carbine buffer and no need to change gas block
Received this complete upper this week and there is no forging stamp on it. I have other PSA uppers and along with some other manufacturers uppers and they all have the forging stamp. Why is this not stamped?
Michael R on Aug 15, 2018
Who makes this barrel and upper Receiver? I know fn makes a lot of their premium or chf stuff but I would like to know where this barrel comes from
Jimmyboi on Aug 13, 2018


4.8 / 5.0
32 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Quality on a budget
I love the way this upper looks it looks very high-quality and performs well for a price that is affordable
August 20, 2018
1 month ago
Extremely excited to use!
So far I have had a chance to take it to the range but after assembling my pistol, its lightweight and feels great in the hands! Very excited to see how she does!
August 18, 2018
1 month ago
Fit, Finish and Function are 100%. Paired up with palmetto's sba3 lower and a primary arms 3x prism makes for a light handy little package that exceeds expectations.....again! Well done!
August 16, 2018
1 month ago
Good cqb set up.
Very nice quality. Lightweight, good feel. Just about everything I was looking for except accuracy. It's not bad, maybe 4 inch group at 50 yards. Was hoping for a little better. But I have it for cqb so it's pretty good for that.
User submitted image
Added Aug 9, 2018
August 9, 2018
1 month ago
Just as item as described awesome
It's a really good product great for AR pistol builds will buy another one soon
August 9, 2018
2 months ago
Great Upper
Fit and finish for everything is very good so far. Only thing I will be changing is the BCG because I want a nickel boron BCG.
Completed pistol
PSA upper with PSA lower parts kit and Anderson Lower
August 2, 2018
1 month ago
Nice upper
Nice upper for the most part. Trigger has too much creep, but for the money hard to beat. Shipping was slow and initial shipment did not have the rear sight. So another week before getting the rear sight and assembling the pistol.
August 1, 2018
1 month ago
Another satisfied purchase from PSA.
Had been wanting to build one of these pistol kits for a while. Put this upper with a stripped Anderson lower and the PSA Shockwave lower build kit. Everything went together great in about 45 minutes. If you're wanting a 10.5" pistol built for under $500 then I strongly recommend Palmetto
User submitted image
User submitted image
July 29, 2018
2 months ago
It’s a good product. Holds a good group and I would highly recommend this set up.
July 28, 2018
2 months ago
Solid Upper
Great size for potential use in an in-door or vehicle environment. I use the Vortex Sparc AR sight with it - it's worked great so far!
July 26, 2018
2 months ago

Customers Who Viewed This Item Also Viewed