PSA 20" Rifle Length 5.56 NATO 1/7 Nitride 15" Lightweight MLOK Upper - W/ BCG and CH

Best price

$319.99at Palmetto State Armory

checked Sep 30, 2026

Where to buy

Store	Price	Availability	Buy	Add to build
Palmetto State Armory	$319.99checked Sep 30, 2026	Check store	Buy at Palmetto State Armory

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

About this part

The PSA 20" Rifle Length 5.56 NATO 1/7 Nitride 15" Lightweight MLOK Upper - W/ BCG and CH is a 2E+1" 5.56 / .223 upper receiver. One store lists it, Palmetto State Armory at $319.99.

Fits and works with

Caliber: 5.56 / .223 · Shop matching ammo
Bolt: Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Gas system: Rifle · Handguards
Barrel length: 2E+1" · Handguards
Handguard length: 15" · Barrels

Specifications

Platform: AR-15
Barrel length: 20"

From the manufacturer

Barrel: 20" Chrome-moly barrel steel chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a rifle-length gas system. The A2-style profile barrel is finished with nitirde finish for durability. Barrel is finished off with an .750" diameter low-profile gas block, PSA 15" 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, T-marks, 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.