PSA 16" M4 Carbine 5.56 NATO 1:7 Nitride 13.5" Lightweight M-Lok MOE Freedom Rifle Kit with MBUS Sight Set - 516446228

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PSA 16" M4 Carbine 5.56 NATO 1:7 Nitride 13.5" Lightweight M-Lok MOE Freedom Rifle Kit with MBUS Sight Set - 516446228

In stock

Regular Price: $ 709.99

Special Price $ 419.99

Quick Overview

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SKU: 516446228
UPC: 516446228
MFR#: 516446228
  • Barrel Length: 16"
  • Gas System: Carbine-length 
  • Barrel Profile: M4
  • Barrel Steel: 4150 Chrome-Moly Vanadium
  • Barrel Finish: Nitride
  • Chrome Lining: None
  • Muzzle Thread: 1/2-28
  • Chamber: 5.56 NATO
  • Twist Rate: 1:7
  • 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
  • Hand guard Type: PSA 13.5" Lightweight M-Lok Rail
  • Bolt Carrier Group Included: Yes
  • Bolt Steel: Carpenter 158
  • Bolt Carrier Profile: Full-auto
  • Charging Handle included: Yes
  • MBUS Sight Set, Black
  • Overall Length: 24.5"
  • Weight: 4.0 lbs

Add To:

Barrel: 16" length, 4150V Chrome Moly Vanadium steel , chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a Carbine-length gas system. The barrel is finished with with a .750" diameter low-profile gas block, PSA 13.5" Lightweight M-lok Free Float Rail and an A2 flash hider.

Upper: Forged 7075-T6 A3 AR upper is hard coat anodized black for durability. Featuring M4 feedramp cuts, these upper upper receivers are made for us right here in the USA.

Bolt Carrier Group: For AR15 and M16 rifles and carbines. Bolt is made of shot-peened, Mil-spec Carpenter 158® steel. Gas key is secured with grade 8 fasteners and staked. Bolt carrier is parkerized outside and chrome lined inside. Includes Charging Handle.

Lower Build Kit:  PSA MOE Lower Build Kit

Includes: Magpul MBUS Sight Set, Black 

SKU: 516446228
SKU 516446228
Brand Palmetto State Armory
Daily Deal No
Daily Deal Expires No
Youtube Video No
Free Shipping? Yes
SKU: 516446228

Questions and Answers

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Browse 3 questions Browse 3 questions and 13 answers
Is the only thing missing from this build kit the stripped lower?
Logan J on Jun 16, 2018
BEST ANSWER: Correct
Is the buffer tube mil-spec?
Jay S on Aug 4, 2018
BEST ANSWER: Yes, the buffer tube in my rifle kit was Mil Spec
What is the difference between mid length gas sys. And carbine gas sys.?
JIM M on Jun 18, 2018
BEST ANSWER: Midlength is a little bit softer shooting since it has a few inches more of gas tube. The carbine is a bit harsher.

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