Out of stock
PSA Custom 5.56 NATO 20" CHF 1/7, 18" Cross-Cut MLOK MOE Rifle w/ 3.5lb Flat FCG Trigger, Ambi Safety - Tan
Out of stock

PSA Custom 5.56 NATO 20" CHF 1/7, 18" Cross-Cut MLOK MOE Rifle w/ 3.5lb Flat FCG Trigger, Ambi Safety - Tan

SKU 51655113191
Brand PSA Custom
Model Number 51655113191
UPC 51655113191
descriptionProduct Manual
Customers must read Compliance Information before purchasing.

Product Details


  • Barrel Length: 20”
  • Barrel Material: Cold Hammer Forged Chrome-Moly Vanadium
  • Barrel Finish: Phosphate
  • Chrome Lined: Yes
  • Barrel Profile: A2 Style
  • Muzzle Device: A2 Flash Hider
  • Chamber: 5.56 NATO
  • Twist Rate: 1 in 7”
  • Extension: M4
  • Gas System: Flat-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 18" 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
  • Sights: MBUS Sight Set
  • Safety: PSA Custom Short/Long Throw Ambi Safety
  • Magazine: (1) 30-Round Magazine (where available by law)


The Palmetto State Armory Custom Series 5.56 NATO Mid-Length 20" Phosphate 18" Cross-Cut MLOK MOE gives you a tried and true platform with a PSA Custom Series MLOK compatible handguard and a custom finish that is sure to draw attention.




Barrel: 20" Cold Hammer Forged Chrome-moly vanadium steel barrel Chambered in 5.56 NATO with a 1/7 twist. The barrel is Phosphate treated for durability, Chrome Lined, and finished off with a Palmetto State Armory Custom 18" Cross-Cut 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.


Bolt Carrier Group: Nitride treated 8620 steel bolt, with an enhanced firing pin and 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, and PSA Custom 3.5lb Flat Bow FCG.





The PSA Custom Series gives unmatched quality and in-house customization at prices that other manufacturers can't compete with proving you don't have to pay top-dollar for top-shelf quality!!


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.
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).