Out of stock
PSA Custom 5.56 NATO 7.5" Nitride 7" Cross Cut MLOK MOE SBA3 Pistol w/ 3.5lb Flat Bow FCG, Ambi Safety, MBUS, Ambi Charging Handle & FDE DLC BCG - Metallic Camo
Out of stock

PSA Custom 5.56 NATO 7.5" Nitride 7" Cross Cut MLOK MOE SBA3 Pistol w/ 3.5lb Flat Bow FCG, Ambi Safety, MBUS, Ambi Charging Handle & FDE DLC BCG - Metallic Camo

SKU 51655112322
Brand PSA Custom
Model Number 51655112322
UPC 51655112322
descriptionProduct Manual
Customers must read Compliance Information before purchasing.

Product Details


  • Barrel Length: 7.5”
  • Barrel Material: 4150V Chrome Moly Vanadium Steel
  • Barrel Finish: Nitride
  • Barrel Profile: A2 Style
  • 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
  • Muzzle Device: A2 Flash Hider
  • 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 7" Cross-Cut MLOK
  • Bolt Carrier Group: PSA Custom 5.56 DLC BCG - Coyote
  • 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 3.5lb Flat Bow Drop-in FCG
  • Buffer Tube: 7075 T6 Aluminum Mil-Spec Tube
  • Adjustment: 6-position collapsible
  • Stock: SBA3
  • Safety: PSA Custom Ambi-Safety
  • Charging Handle: Ambidextrous Charging Handle
  • Sights: Magpul MBUS Front & Rear
  • Magazine: (1) 30-Round Magazine (where available by law)


The Palmetto State Armory Custom Series Custom 5.56 NATO MLOK AR Pistol gives you a tried and true platform with the popular PSA Custom Series handguard and a custom finish that is sure to draw attention.


Barrel: 4150V 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. This A2 profile barrel is finished off with a PSA Custom free-float handguard, and a low-profile gas block.

Upper: Forged 7075-T6 A3 AR upper is machined to MIL-SPECS and given a hard-as-nails Teflon-based coating in our PSA Custom Shop. 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.

Lower: These forged lowers are quality made using 7075-T6 aluminum & are marked "MULTI" for the caliber. The Mil-spec diameter 7075-T6 buffer tube 6-position adjustable & is fitted with, Magpul grip, PSA Custom Ambi Safety, & PSA Custom 3.5lb Drop-in 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

Retail Stock


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.
It is the customer’s responsibility for understanding state laws regarding magazine capacities. Palmetto State Armory abides by all state regulations regarding the sale of high capacity magazines. We DO NOT ship high-capacity magazines with firearms to certain states. We WILL NOT replace high capacity magazines with state compliant magazines. We DO NOT offer refunds in place of the magazines. Please see our terms and conditions for a list or restricted states.
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).