PSA 10.5" Pistol-Length 300AAC 1/8 12" Lightweight M-Lok Slant Upper - With BCG, CH, & MBUS Sight Set - 5165449836

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PSA 10.5" Pistol-Length 300AAC 1/8 12" Lightweight M-Lok Slant Upper - With BCG, CH, & MBUS Sight Set - 5165449836

TEMPORARILY OUT OF STOCK

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: 5165449836
UPC: 5165449836
MFR#: 5165449836
  • Barrel Length: 10.5"
  • Barrel Profile: Heavy
  • Gas System: Pistol-length
  • Barrel Steel: 4150V Chrome Moly Vanadium
  • Barrel Finish: Phosphate
  • Chrome Lining: No
  • Muzzle Thread: 5/8x24
  • Chamber: 300AAC Blackout
  • Twist Rate: 1:8
  • 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: 4 lbs

Add To:

Barrel: 10.5" 4150V Chrome Moly vanadium steel barrel 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 Lightweight 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 5/8x24 for 300AAC Blackout. 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 Carrier GroupFull-auto profile bolt carrier group. Milspec Carpenter No. 158® steel bolt, Shot Peened, High pressure tested, Mag particle inspected, Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec.

Includes: Magpul MBUS Sight Set, Black

SKU: 5165449836
SKU 5165449836
Brand Palmetto State Armory
Daily Deal No
Daily Deal Expires No
Youtube Video No
Free Shipping? Yes
Free Shipping Qty Label N/A
Free Shipping Qty No
SKU: 5165449836

Questions and Answers

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Browse 3 questions Browse 3 questions and 4 answers
W the 12” rail on a 10.5” barrel will the hybrid can fit?
John M on Nov 19, 2018
BEST ANSWER: It will if it's not much larger in diameter than 1 3/8".
What is the inside diameter of your Slant End M-Lok handguard? 12" although I assume they are all the same I.D.
Vernon W on Nov 14, 2018
BEST ANSWER: inside diameter is 1.366 inches
What is the inside diameter of the rail? The suppressor that I’m planning to use has an approximate outside diameter of 1.5” and I need to make sure it will work with this upper. Thanks!
BigMacMudd on Nov 25, 2018
BEST ANSWER: inside diameter is 1.366 inches

Reviews

4.6 / 5.0
24 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
18
3
3
0
0
Awesome 300 blackout upper
Everything I have bought from Palmetto are quality products at great prices. This upper is no exception. I would recommend to anyone
This 300 blackout upper is as good as it gets for the price. I would recommend this to anyone.
This 300 blackout upper is as good as it gets for the price. I would recommend this to anyone.
April 4, 2019
Purchased
6 months ago
Awesome pistol AR 300 BLK
PSA you guys rock! Bought upper and lower a few days apart when you were running a deal. 100 rounds to test - Runs flawlessly with no FTE or FTF on Super and sub subsonic. Light and easy to shoot. Seems to be at least as accurate as my aim. The enhanced polished trigger is almost as good as my “over $200” drop in trigger on my other rifle. It feels nice. Short reset, super smooth.

My new favorite gun.
PSA in 300 BLK Runs flawlessly on subsonic and supersonic.  Added a grip,  and holgraphic sight.
PSA in 300 BLK Runs flawlessly on subsonic and supersonic. Added a grip, and holgraphic sight.
January 29, 2019
Purchased
6 months ago
Awesome upper exactly as it should be. Would recommend to anyone wanting a reliable build. Have had zero issues.
January 26, 2019
Purchased
6 months ago
10.5 300 AAC
Excellent product at a excellent price. Shipping was quick too. Would def buy again.
10.5 300 AAC from psa. Love palmetto state! Would def buy from them again.
10.5 300 AAC from psa. Love palmetto state! Would def buy from them again.
January 26, 2019
Purchased
6 months ago
Good Upper but not for Silencer
This upper will not fit a silencer under it. I ended up having to purchase another forearm and putting it on it to hold my Octane 9.
But otherwise, it has run well and looks good.
January 25, 2019
Purchased
6 months ago
Well worth it!
I bought the .300 blackout in idea with just a build to carry in my truck, and when I got done it’s become on of the best things ever! Ran many rounds through it and no complaints at all! Was worried about the range and accuracy with the 10.5” barrel but was still hitting targets at 150-200 yards! It’s awesome!
After everything was put together and ready to shoot!
Right after getting put together it got a fresh new cerakote job!
January 24, 2019
Purchased
6 months ago
Satisfied customer πŸ‘
I've been a customer of yours for some time now, and with everything I've ordered so far, I've never had any issues. The prices are great as well, and the shipping is fast. Thank you.
January 24, 2019
Purchased
6 months ago
PSA 300 blkout 10.5 upper is great.
My 300 blkout pistol build is my favorite firearm right now. The PSA upper has been wonderful. I did have the rail loosen up and start to walk forward after going to the range but I did not check to see how tight the screws were before shooting that day. Great value and I highly recommend a 300 blkout now that I have my first one. PSA upper is the way to go.
January 24, 2019
Purchased
6 months ago
Good buy.
Performs flawlessly. Great assembly, no defects noted.
Well assembled and performs perfectly. No problems so far.
Well assembled and performs perfectly. No problems so far.
January 23, 2019
Purchased
6 months ago
Came with a weak extractor spring. And a few burs going into the chamber from the mag well
January 21, 2019
Purchased
6 months ago
Response from Palmetto State Armory
We do apologize for that. Please contact Customer Service so we may resolve this issue.
January 30, 2019
Casey S

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