PSA 10.5" CHF Carbine Length 5.56 NATO 1:7    9'' Lightweight M-Lok Railed Upper - Without BCG or CH - 5165448674

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PSA 10.5" CHF Carbine Length 5.56 NATO 1:7 9'' Lightweight M-Lok Railed Upper - Without BCG or CH - 5165448674

TEMPORARILY OUT OF STOCK

Quick Overview

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: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).

SKU: 5165448674
UPC: 5165448674
MFR#: 5165448674

Barrel Length: 10.5"
Gas System: Carbine Length
Barrel Profile: A2 Style
Barrel Steel: Cold Hammer Forged Chrome Moly Vanadium
Barrel Finish: Phosphate
Chrome Lining: Yes, bore and chamber
Muzzle Thread: 1/2-28
Chamber: 5.56 NATO
Twist Rate: 1:7
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: .750 Low Profile 
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Handguard Type: PSA 9" Lightweight M-Lok Rail
Bolt Carrier Group Included: No
Bolt Steel: N/A
Bolt Carrier Profile: N/A
Charging Handle Included: No
Overall Length: 19"

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Barrel: Barrel is made for Palmetto State Armory by FN Manufacturing using their proprietary blend of hammer forged chrome molly vanadium that is referred to as "Machine Gun Steel" by virtue of its use in FN's M249 and M240 weapons. The hammer forging process work hardens the steel, making it more durable. In addition, the chrome process for the bore allows for a lining almost twice as thick as a standard M16 for enhanced durability. Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension with extended feed ramps, and a carbine gas system. The barrel has an A2 style profile, is Mil-spec phosphate coated, and MPI/HPT tested. The upper is finished off with a  .750" low profile gas block, Palmetto State Armory 9" Lightweight Free Float Rail, and an A2 flash hider.

Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. Featuring machined T marks, and a mil-spec finish. These uppers are made for us right here in the USA by a mil-spec manufacturer.

Each upper is assembled to order with care, and test fired.

**Upper Does Not Include BCG Or Charging Handle

SKU: 5165448674
SKU 5165448674
Brand Palmetto State Armory
Department Uppers
Daily Deal No
Daily Deal Expires No
Unit Price No
Youtube Video No
Free Shipping? No
Free Shipping Qty Label No
Free Shipping Qty No
SKU: 5165448674

Questions and Answers

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Browse 9 questions Browse 9 questions and 43 answers
I understand the gasblock is not adjustable, but has anyone run a suppressor on these uppers? Results?
New AR Pistol on Oct 25, 2018
PSA 10.5
PSA 10.5" CHF Carbine Length 5.56 NATO 1:7 9'' Lightweight M-Lok Railed Upper - Without BCG or CH - 5165448674
PSA 10.5
PSA 10.5" 5.56 NATO 1:7 Nitride 9" Lightweight M-Lok Freedom Upper With BCG & CH - 516446396
PSA 10.5
PSA 10.5" 5.56 NATO 1/7 Nitride 9" Lightweight M-Lok Freedom Upper With BCG & CH
BEST ANSWER: Yes, I routinely run a SilencerCo 7.62 SpecWar (with flash-hider QD) on the 10.5" nitride upper. No problems at all.
What is the total weight of this item?
Zee A on Jun 24, 2019
Just getting in to ars does this have to go on to a pistel lower?
Ashtontim on Apr 14, 2019
BEST ANSWER: Not a lawyer. Yes to build as a pistol it must go on a lower purchased as a pistol or “other”. Unless you are building an SBR and already have the tax stamp.
Should this barrel have any markings on it designating that it’s an FN CHF barrel? I purchased it but do not see any markings on it. My CHF rifle uppers have it marked on the barrel.
Derek S on Mar 13, 2019
BEST ANSWER: Mine is marked with the FN logo and “CHF” on the top of the barrel just in front of the chamber.
does it take .223?
Weitao C on Mar 18, 2020
BEST ANSWER: Yes, it will digest .223 and 5.56 with no issues. loads using 55 gr > are good to go
Is the flash hider pinned and welded?
alexander r on Feb 8, 2019
BEST ANSWER: No, you can remove the flash hider. Keep in mind, this should be used with a pistol lower or a SBR with a tax stamp.
is the gas block pinned?
jared c on Jun 25, 2018
BEST ANSWER: good question. no, its not. the barrel is dimpled on the bottom with 2 set screws. i prefer pinned as well, it's much stronger.
Is the gas block pinned on this upper?
Devil Doc 702 on Apr 6, 2020
BEST ANSWER: No, it is screwed in with set screws. When I bought it a year or so ago the barrel wasn't dimpled for the set screws either. I believe they said they were dimpling all barrels for the set screws sometime in late 2019...
Anyone who has run this upper for a while, I’ve heard they get really hot. I’ll regularly run a couple hundred rounds when I’m training. There is only 1 mlok slot at 3 so not much room for rail guards. Is heat an issue on these uppers ? Also how is the gas blowback when running suppressed ?
Eric W on May 15, 2019
BEST ANSWER: They get hot. It is why gloves are so popular with shooters now.........................................................................................................

Reviews

4.4 / 5.0
16 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
9
5
2
0
0
CHF 10.5" upper
Outstanding! Nice accurate pistol.... Everybody needs one......🤠🤠🤠
May 14, 2020
Purchased
2 months ago
PSA 10.5 CHF 556
I have around 400 rounds through this upper without any issues. Great Fitment and accuracy! Would totally recommend this upper
User submitted image
Added Apr 27, 2020
April 27, 2020
Purchased
2 months ago
PSA ar-15 pistol at 25 yards
PSA ar-15 pistol at 25 yards
User submitted image
User submitted image
November 24, 2019
my first PSA upper
I gave it four stars because I changed the gas block for a pinned gas block.I should've bought the Geissele railed upper.Im very satisfied with the accuracy.
trijicon is on the Colt again and a DD fixed rear and romeo5 with a larue 751 qd mount
trijicon is on the Colt again and a DD fixed rear and romeo5 with a larue 751 qd mount
July 28, 2019
Purchased
1 year ago
Great upper minus color difference in handguard and upper. Sleezy tactics by PSA
Great upper. Worked wonderfully on the Franklin armory binary trigger pistol lower I had.
Finish of handgaurd and upper were different colors so my gun has 3 different off black colors. (the lower isn't PSA's fault, different company)
My biggest complaint is they dropped the price by $50 a few days later and wouldn't refund the difference.
They have the Norton price guarantee which seems to apply to me (sent in for refund and we'll see) but Norton says the sku has to be the same and no promo code can be used. If familiar with PSA, they randomly make new identical products with different skus and they require codes on alot.
It's a lot of crap. If I wanted to play games, I'd pull out monopoly and do so.
Seriously looking to purchase stuff elsewhere now on
User submitted image
Added Jun 17, 2019
June 17, 2019
PSA Logo on Receiver
This is really good quality where it counts and the price is great. After shooting I noticed the handguard had rotated slightly-- not good if you mount a sight to the front. I removed the handguard, cleaned the grease off of the barrel nut and reinstalled using loctite on the screws. So far, that solved the problem and is a minor issue.

I just wish this did not have the PSA cannon logo on the outside of the receiver. PSA is a great company and I appreciate your products, but I really dislike your logo which appears cartoonish to me. I wish I could opt out of having it on products I purchase from you.
May 26, 2019
Purchased
1 year ago
10.5 in. CHF upper
.Nice upper good quality M-Lok is much lighter than the 7.5 quad that I replaced haven't taken it to the range yet but will soon.
May 26, 2019
Purchased
1 year ago
Whats not to like ?
I gotta say, the CHF CL FN marked Barrel put me over the edge of the fence for a pistol build.

All of the upper was assembled properly, right out of the box... I double checked.
May 18, 2019
Purchased
1 year ago
Fantastic
Perfect, couldn’t be happier . Nice and neat. The whole project turned out better than expected.
May 3, 2019
Purchased
1 year ago
Great barrel. Everything else mediocre.
Handguard finish doesn't nearly match the upper finish. Barrel not dimpled for gas block set screws. Aluminum barrel nut. You're paying for a barrel only.
March 20, 2019
Purchased
1 year ago

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