PSA 18" Rifle Length .223 Wylde 1:7 SS 15" Lightweight M-lok Upper With Nickel Boron BCG & CH

Upper Receiver

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Best price

$379.99at 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	$379.99checked 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.

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

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Store	Latest	Lowest	Highest
Palmetto State Armory	$379.99	$379.99	$379.99

Since Sep 28, 2026.

About this part

The PSA 18" Rifle Length .223 Wylde 1:7 SS 15" Lightweight M-lok Upper With Nickel Boron BCG & CH is an 18" 5.56 / .223 upper receiver. One store lists it, Palmetto State Armory at $379.99.

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: 416R Stainless steel. Chambered in 223 Wylde, with a 1:7 twist rate, M4 barrel extension, and a rifle-length gas system. Barrel is is finished off with a PSA 15" Lightweight M-Lok free float rail, .750 gas block, and A2 flash hider.
Upper: Forged 7075-T6 A3 AR upper is machined to MIL-SPECS and hard coat anodized. These uppers are made for us right here in the USA by a mil-spec manufacturer.
Bolt Carrier Group: 5.56mm Bolt Carrier Group is Nickel Boron coated and features a 9310 bolt. The gas key is hardened and secured with Grade 8 fasteners, and is staked per Mil-Spec.