PSA 18" Rifle Length 223 Wylde 1/7 Nitride 15" Lightweight M-lok Upper with BCG & CH - 516445155

Upper Receiver

No ratings yet

Best price

$359.99at Palmetto State Armory

checked Oct 1, 2026

Buy at Palmetto State Armory

Where to buy

Store	Price	Availability	Buy	Add to build
Palmetto State Armory	$359.99checked Oct 1, 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.

Price history

Show

Dashed line = out of stock. Tracking since Sep 28, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Palmetto State Armory	$359.99	$359.99	$359.99

Since Sep 28, 2026.

About this part

The PSA 18" Rifle Length 223 Wylde 1/7 Nitride 15" Lightweight M-lok Upper with BCG & CH - 516445155 is an 18" 5.56 / .223 upper receiver. One store lists it, Palmetto State Armory at $359.99.

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: 18" · Handguards
Handguard length: 15" · Barrels

Specifications

Platform: AR-15
Barrel length: 18"

From the manufacturer

Barrel: 4150V Chrome Moly vanadium steel. Chambered in 223 Wylde, with a 1:7 twist, M4 barrel extension, and a rifle-length gas system. Barrel is nitride treated for durability, and is finished off with a PSA 15" Lightweight M-Lok free float rail, .750" low-profile gas block, and an A2-style flash hider.
Upper: Forged 7075-T6 aluminum A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. Featuring T marks, these uppers are made for us right here in the USA by a mil-spec manufacturer.