PSA 16" 300AAC Blackout Pistol-Length 1/8 Nitride 15" Lightweight M-Lok Freedom Rifle Kit w/MBUS Sight Set

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PSA 16" 300AAC Blackout Pistol-Length 1/8 Nitride 15" Lightweight M-Lok Freedom Rifle Kit w/MBUS Sight Set


Quick Overview

free shipping Free Shipping applies to this item only and not the entire order.

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 (CA Health and Safety Code Section 25249.6).

SKU: 5165458074
UPC: 5165458074
MFR#: 5165458074

Gas System: Pistol Length
Barrel Profile: Heavy
Barrel Steel: 4150V Chrome Moly Vanadium
Barrel Finish: Nitride
Chrome Lining: None
Muzzle Thread: 5/8-24
Chamber: 300 AAC Blackout
Twist Rate: 1 in 8"
Barrel Extension: M4
Diameter at Gas Block: .750"
Gas Block Type: Low-profile
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Handguard Type: PSA 15" Lightweight M-Lok Rail
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-Auto
Charging Handle included: Yes
Overall Length: 24.5"

Add To:

Barrel: This Chrome Moly vanadium 4150V barrel is chambered in .300 AAC Blackout with a 1:8" twist, M4 barrel extension, and a pistol-length gas system. It is nitride treated for accuracy and durability and is finished off with a .750" diameter gas block, a PSA 15" Lightweight M-Lok free float rail, and an A2 Flash Hider.

Upper: The forged 7075-T6 A3 AR upper is machined to MIL-SPECS and hard coat anodized. These uppers are made for us right here in the USA by a mil-spec manufacturer.

Build KitIncludes Classic M4-Style Stock, A2 Pistol grip, Classic Lower Parts Kit and Mil-Spec diameter 6-position buffer tube assembly. Everything you need to finish your stripped lower!

Sight Set: Magpul MBUS Sight Set, Black

SKU: 5165458074
SKU 5165458074
Brand Palmetto State Armory
Daily Deal No
Daily Deal Expires No
Youtube Video No
Free Shipping? Yes
Free Shipping Qty Label No
Free Shipping Qty No
SKU: 5165458074

Questions and Answers

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Browse 8 questions Browse 8 questions and 10 answers
Why the pistol length gas system on a 16 inch barrel? I thought 16 inch makes it a legal rifle.
Thump on Jun 25, 2019
BEST ANSWER: Better for running 300BLK suppressed.
王立弘 王 on May 27, 2019
BEST ANSWER: Yes. Plus the lower parts kit. Just add your favorite AR-15 lower, and optics, and you're rolling.
What is this chambered in?
Tyler S on Jun 15, 2019
Could this still be sent to my home, since it’s a “pistol”?
David S on Jul 6, 2019
BEST ANSWER: So two parts to that question. 1. This kit has a "pistol length" gas system but it has a 16" barrel.
2. If you want a barrel shorter than 16" you have to build it as a pistol. These kits are just parts and can be shipped just about anywhere in the USA. When you assemble it, you have to make sure you're complying with local/ state laws. Typically, you can't just swap parts on your AR15 Rifle and call it a pistol. You have to buy either a "pistol lower receiver" that's transferred as a pistol or a stripped lower that's transfered as "other". Then build from there.
with a 300aac build what lower receiver do I need?
Jeremy C on Jun 28, 2019
BEST ANSWER: Any AR-15 lower receiver will work
Will this upper fit with JD Mchine lower?
Hank G on May 30, 2019
BEST ANSWER: If your lower is built in the AR-15 configuration, then yes.
Is the flash hider pinned and welded?
Tyler B on May 14, 2019
BEST ANSWER: No it is not. A crush washer is used so that it does not have to be torqued.
When will this be back in stock?
Craig E on Jul 11, 2019


5.0 / 5.0
2 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
1st time ever putting one together
!st time building an AR. A Youtube video and some basic tools is all I needed. Took a couple hours but next time it should take less then 1 hour. Also I purchase a PSA receiver too. Took it to the mountain a couple days later and it shoot like a dream. Going to build some more for sure.
July 4, 2019
1 month ago
Great experience!
Love it! Great price and was delivered exactly as described. Picked up the lower, assembled and was sighting it in a few hours later.
June 27, 2019
2 months ago

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