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PSA 16" M4 Carbine 5.56 NATO 1:7 15" Lightweight M-Lok Classic Rifle - 5165450465


Quick Overview

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: 5165450465
UPC: 5165450465
MFR#: 5165450465
  • Barrel Length: 16”
  • Barrel Material: 4150V Chrome Moly Vanadium Steel
  • Barrel Finish: Nitride
  • Barrel Profile: M4
  • Chamber: 5.56 NATO
  • Twist Rate: 1 in 7”
  • Extension: M4
  • Gas System: Carbine-Length
  • Gas Block Type: Low Profile .750” Diameter
  • Upper Receiver: Forged 7075 T6 Aluminum
  • Receiver Style: M4 Flat top with feed ramps
  • Receiver Finish: Hardcoat Anodized
  • Forward Assist: Yes
  • Dust Cover: Yes
  • Handguard Style: PSA 15" Lightweight M-Lok Free Float Rail
  • Bolt Steel: Carpenter 158, Mag Phosphate coated
  • Bolt Carrier Steel: 8620, Chrome Lined 
  • Staked Gas Key: Yes
  • Lower Receiver: Forged 7075 T6 Aluminum
  • Receiver Finish: Hardcoat Anodized
  • Fire Control Group: PSA AR-15 Mil-Spec Fire Control Group
  • Buffer Tube: 7075 T6 Aluminum Mil-Spec Tube
  • Adjustment: 6-position collapsible
  • Stock: PSA Classic Carbine Stock
  • Magazine: (1) 30-Round Magazine (where available by law)
  • Weight: 7 Lbs
  • Length: 32"

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Barrel: Chrome-moly vanadium steel barrel chambered in 5.56 NATO, with a 1:7 twist rate, M4 barrel extension, and a carbine-length gas system.  M4 profile barrel is finished off with a 15” PSA M-Lok free-float handguard, low-profile gas block, and A2 flash hider.

Upper: Forged 7075-T6 A3 AR upper is machined to MIL-SPECS and hard coat anodized.  Uppers include forward assist and dust cover.  These uppers are made for us right here in the USA by a mil-spec manufacturer.

Bolt Carrier Group: Full-auto profile bolt carrier group. Shot-peened, mil-spec Carpenter 158 steel bolt. Gas Key Hardened to USGI Specifications, fastened with Grade 8 screws, and Staked Per Mil-Spec. Carrier is 8620 steel M-16 full auto profile and is chrome lined and phosphate coated.

Lower: These forged lowers are quality made using 7075-T6 aluminum and are marked "MULTI" for the caliber. Finish is hard-coat anodized. The Mil-spec diameter 7075-T6 buffer tube is hard-coat anodized, has 6 adjustment positions, and is fitted with a PSA Classic Carbine Stock for a traditional AR-15 look and feel. The rifle is finished off with a PSA Classic A2 grip, and standard Mil-Spec AR-15 Fire Control Group.

SKU: 5165450465
SKU 5165450465
Brand Palmetto State Armory
Daily Deal No
Daily Deal Expires No
Youtube Video No
Free Shipping? No
Free Shipping Qty Label No
Free Shipping Qty No
SKU: 5165450465

Questions and Answers

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Browse 20 questions Browse 20 questions and 18 answers
Will this be back in stock soon?. Ready to purchase now. it is 01/14/19 currently
Big L on Jan 14, 2019
BEST ANSWER: I just ordered mind Thursday. I hope you were able to order one as well!
How long does it take to ship to Florida?
Cason P on Jan 6, 2019
BEST ANSWER: I ordered mine on Dec 31 late at night, picked it up yesterday.
Will this shoot .223?
Chris M on Jan 5, 2019
BEST ANSWER: Yes, it will shoot both.
Can this be shipped to Texas ?
Joe G on Jan 6, 2019
BEST ANSWER: Yes, I've had PSA shipped to my FFL many times.
Is the a2 flash hinder pinned to the barrel? I would like to change it to a better muzzel break
Derek C on Jan 18, 2019
Can this be sent to CA?
Kevin on Jan 5, 2019
Can this rifle be shipped to Indiana?
Blake on Jan 6, 2019
Is the barrel threaded?
Mall Cop on May 9, 2019
BEST ANSWER: Yes it is threaded 1/2 x 28
What is the best magazine for this ?gun
Chadm on Jan 16, 2019
BEST ANSWER: Magpul does work but it does come with a durable 30 round aluminum mag
Does it come with the iron sights?
Shawn H on Feb 3, 2019
BEST ANSWER: no. includes magazine and a cable lock
Does this have a lower rail system for a vert grip?
Spencer K on Feb 2, 2019
BEST ANSWER: no. hand guard is MLOK. you need to buy a rail section to add a grip or get a grip that connects directly to the MLOK
can I choose a different color?
Noah T on Jan 8, 2019
BEST ANSWER: No. You can get it cerakoted or what not. The color isnt paint, it is anodizing.
How long until back in stock. Ready to purchase?
Austin K on Jul 9, 2019
Can you buy this at age 18 in South Carolina?
JordanL on Apr 2, 2019
What optics fit this well?
S G on Feb 2, 2019
Does this come with sights included?
S G on Feb 2, 2019
Can you ship this to Maryland?
BOOGEYMAN on Jan 17, 2019
Anyone know how many pounds the trigger pull is?
C Gar on Jan 15, 2019
Will this rifle take a LaRue tactical MBT-2S replacement trigger?
Stewart S on Jan 11, 2019
Is this a chrome lined barrel?
Anthony H on Jan 5, 2019
BEST ANSWER: This is a non chrome lined barrel. Also, the Nitride barrel finish pertains to the outside of the barrel and not its' interior.


4.3 / 5.0
8 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Excellent value
I was pleasantly surprised by the quality of this rifle. The fit and finish was good, and so far, it has performed flawlessly. Purchased Federal 'Freedom Fuel' ammo and have had ZERO problems after approximately 800 rounds Each round cycled, fired, and extracted w/o issue. First 150 rounds were used with iron sights, then installed a Vortex scope. Rifle shoots tight and consistent groups. The only item that has been replaced is the stock. Not a fan of the Magpul, installed a MFT Minimalist. Rifle was packaged well, shipped quickly, and arrived in a discreet box. Will definitely continue to do business with Palmetto State Armory.
March 16, 2019
5 months ago
My first AR 15
This is my first AR 15 and I very happy with it. I've shot several rounds through it and it has performed well. I look forward to hunting varmint with it which right now will be its primary purpose. I do recommend this PSA AR 15.
February 16, 2019
6 months ago
Great beginner AR
My first rifle in the AR platform and it’s great. Shoots well, accurate, and just fun. Only minor issues I had with it is that it did take a long time for shipping and there were a few very minor machining defects but that’s expected for a cheaper firearm. Overall I would definitely recommend this rifle for someone getting started with AR’s
User submitted image
Added Feb 15, 2019
February 15, 2019
6 months ago
Guess I got a lemon
Rifle had to be shimmed on forward takedown lug with .008” shim or it would wobble side to side. The forward assist was installed incorrectly and bent in the process. Terrible quality control, I expected more from PSA. Maybe their higher end stuff is ok, but I’d stay away from the lower priced rifles.
February 13, 2019
Response from Palmetto State Armory
We do apologize for that. Since all of our parts and firearms are covered by our Unlimited Lifetime Warranty, if you have any issues arise from the craftsmanship of the product, we can either have select parts sent to you for you to replace, or we can have the item brought in, at no cost to you, so we can repair or replace the defective product. Please contact Customer Service so we may resolve this issue.
February 14, 2019
Casey S
Best deal out there.
By far the best quality AR15 for under $500. You won't find another gun with equal quality that comes with a free float hand guard. My first firearm purchase from PSA and I'm pleased to say the least.
February 8, 2019
Content client
Very happy with my new weapon.
Light, compact, easy break-down.
January 30, 2019
My wife had me order this for myself for Christmas. It’s the first AR style rifle I have owned, and I was very happy with the purchase. Well worth the money and for a mil-spec rifle I was extremely impressed in the quality. My first purchase from Palmetto state Armory and because I was so happy I will be making more purchases from PSA in the future.
January 8, 2019
Excellent Ar
Well worth the money.
January 5, 2019

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