PSA 10.5" 9mm 9" M-Lok Railed Upper w/ BCG & CH -5165447846

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PSA 10.5" 9mm 9" M-Lok Railed Upper w/ BCG & CH -5165447846


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: 5165447846
UPC: 5165447846
MFR#: 5165447846

Barrel Length: 10.5"
Barrel Profile: A2
Barrel Steel: Chrome Moly Vanadium 
Barrel Finish: Nitride 
Chrome Lining: No
Muzzle Thread: 1/2-36
Chamber: 9mm (9x19)
Twist Rate: 1 in 10"
Barrel Extension: 9mm
Muzzle Device: A2 Style Flash Hider
Receiver Material: Billet 7075 T6
Receiver Type: Slick Side 
Hand guard Type: PSA 9" M-lok Rail
Bolt Included: Yes (Hybrid G-9)
Bolt Steel: 8620 
Charging Handle included: Yes

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Palmetto State Armory is proud to announce the 9mm Hybrid Pistol upper. Designed to work with Palmetto State Armory 9mm lowers that use either Colt® or Glock®-style magazines.

Barrel: 10.5" chrome moly steel barrel. Chambered in 9mm, (9x19), with a 1/10 twist. The barrel is nitride treated for durability and finished off with a Palmetto State Armory 9" M-lok free-float rail and a 9mm birdcage flash hider. 

Upper: Forged 7075-T6 A3 AR upper is hard coat anodized black for durability.  These upper receivers are made for us right here in the USA.

Bolt Carrier Group: G-9 Hybrid 9mm BCG. Phosphate coated, 8620 steel, G-9 Hybrid Bolt allows use with either Glock®-style, or Colt®-style magazine, Palmetto State Armory lowers. Includes charging handle.

To be used with Palmetto State Armory 9mm lowers that use either Colt® or Glock®-style magazines.

Each upper is assembled to order, and test fired to check function. 

SKU: 5165447846
SKU 5165447846
Brand Palmetto State Armory
Daily Deal No
Daily Deal Expires No
Youtube Video No
Free Shipping? Yes
SKU: 5165447846

Questions and Answers

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Browse 5 questions Browse 5 questions and 15 answers
Does this fit only psa 9mm lowers or can it be used with other companies designated 9mm lower?
Sprint62 on Apr 20, 2018
BEST ANSWER: The upper is standard AR15. If the other company lower fits standard AR15, you're good to go. Most AR9 lowers fit.
Does this fit with magwell adapters and a standard ar lower?
taran c on May 5, 2018
Will this fit a New Frontier Armory C-9 lower? I'm thinking it will but it's not a "standard" AR-15 lower in light of the magwell being milled for Glock magazines.
Steve K on Jul 29, 2018
BEST ANSWER: It fits a PSA lower made to accept Glock or Colt magazines. It also fits any mil spec standard lower. According to New Frontier armory's website, their C-9 lower; "will accept any 9mm, .40 S&W, .357 SIG, and other small frame caliber upper receiver"
Does this upper include the last round hold open feature?
Michael B on May 3, 2018
BEST ANSWER: No, it does not. If you want the LRBHO, you will either need to use a "Colt style" lower & mags, or get a different brand. PSA did offer some LRBHO lowers, but I haven't seen them offered in a VERY long time.
Obviously I know it's a 9mm BCG, but is it a "full auto bcg"?
Jamey on Apr 26, 2018
BEST ANSWER: It’s a hybrid but it looks close to a full auto rear cut.


4.2 / 5.0
6 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Very Happy with the 9mm Upper
Build quality was great and it runs well.. what more can you say.
June 20, 2018
3 months ago
Last round will not hold open
The last round will not hold open. I’m using PSA lower.
June 17, 2018
3 months ago
Functions great with all tested ammunition.
I finally got to shoot the new upper today, which had been mated with a “Glock style” pistol lower (PSA SKU# 7790590), a SB Tactical SOB brace, and a Bushnell TRS-25 red dot sight. I shot a mix of ammunition, but it was mostly Winchester “white box” 115 grain FMJ, Speer 124 grain Gold Dot HP, and Federal 147 grain HydraShok JHP.

The pistol and upper were flawless with all the ammunition fired. There is a little more recoil than expected, which I may try to address with a different buffer and spring, but worked great, both in slow fire and rapid fire. I sighted in at 25 yards, but didn’t have a decent rest, and still got 5 shots groups that could be covered by a silver dollar.

I’m very pleased with the setup, but the SOB brace is a little uncomfortable on my forearm, and might swap that out for a different brace later.

As I said in my previous review, of the pistol lower, PSA’s customer service did a great job in fixing the initial error in processing the order, and now that I’ve had a chance to put the gun to the test with live fire, I’m extremely pleased.
May 17, 2018
4 months ago
This AR build is by far my favorite. I would definitely recommend getting this you will not regret it.
May 3, 2018
4 months ago
Great upper. Excellent quality. No feed issues. Paired with PSA lower and magazine well adapter with colt style mags.
April 30, 2018
4 months ago
Nice and lite and shoots accurate.
April 24, 2018
5 months ago

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