Out of stock
PSA Custom 5.56 NATO 16" Nitride Carbine-Length 13.5" Cross-Cut MLOK MOE Rifle w/ 3.5lb Flat Trigger, Ambi Safety & MBUS
Out of stock

PSA Custom 5.56 NATO 16" Nitride Carbine-Length 13.5" Cross-Cut MLOK MOE Rifle w/ 3.5lb Flat Trigger, Ambi Safety & MBUS

SKU 51655110278c
Brand PSA Custom
Customers must read Compliance Information before purchasing.

Product Details


  • Barrel Length: 16”
  • Barrel Material: 4150V Chrome-Moly Vanadium
  • Barrel Finish: Nitride
  • Barrel Profile: A2 Style
  • Muzzle Device: A2 Flash Hider
  • 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: PSA Custom Finish, Teflon Coated
  • Forward Assist: Yes
  • Dust Cover: Yes
  • Handguard Style: PSA Custom 13.5" Cross-Cut
  • Bolt Steel: Carpenter 158
  • Bolt Carrier Steel: 8620
  • Staked Gas Key: Yes
  • Lower Receiver: Forged 7075 T6 Aluminum
  • Receiver Finish: PSA Custom Finish, Teflon Coated
  • Fire Control Group: PSA Custom 3.5 lb Flat Bow Trigger
  • Buffer Tube: 7075 T6 Aluminum Mil-Spec Tube
  • Adjustment: 6-position collapsible
  • Stock: Magpul MOE
  • Safety: PSA Custom Short/Long Throw Ambi Safety
  • Sights: MBUS Sight Set
  • Magazine: (1) 30-Round Magazine (where available by law)


Barrel: 16" Chrome-moly vanadium steel barrel Chambered in 5.56 NATO with a 1/7 twist. The barrel is nitride-treated for durability and finished off with a Palmetto State Armory Custom rail and a birdcage style A2 flash hider.

Upper: Billet 6061-T6 AR upper is Teflon-Coated for durability.  These upper receivers are made for us right here in the USA. Finished with a Sig Romeo 5, and MBUS sight set.

Bolt Carrier Group: Nitride treated C158 MPI steel bolt, with external 5.56 style extractor. The bolt carrier group is compatible with most aftermarket fire control groups.

Lower: These forged lowers are quality made using 7075-T6 aluminum and are marked "MULTI" for the caliber. The finish is Teflon-coated. The Mil-spec diameter 7075-T6 buffer tube is hard-coat anodized with 6 adjustment positions and is fitted with a MOE Carbine Stock, Magpul grip,  PSA Custom Short/Long Throw Ambi Safety, and PSA Custom 3.5 lb Flat-Bow FCG.



The Palmetto State Armory Custom Series line of accessories, components, and firearms are designed to give you the tactical or competitive advantage when you need it most!


Q & A


All NFA Rules Apply.
These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.
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).