AR-15/ 308 AR Stainless Steel Barrels - 223 Wylde 1-8 Twist 16" Stainless Barrel

Name: AR-15/ 308 AR Stainless Steel Barrels - 223 Wylde 1-8 Twist 16" Stainless Barrel
Brand: Proof Research
Availability: InStock

Proof Research · Barrels

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AR-15/ 308 AR Stainless Steel Barrels - 223 Wylde 1-8 Twist 16" Stainless Barrel

Best price

$569.99at GunMag Warehouse

In stock Lowest in 30 dayschecked Nov 13, 2026

Buy at GunMag Warehouse

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Fits and works with

Caliber: 5.56 / .223 · Shop matching ammo
Bolt: Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Barrel length: 16" · Handguards

Specifications

Manufacturer: Proof Research
Color: Silver / Stainless
Platform: AR-15
Caliber: .223 Wylde
Barrel length: 16"
Twist rate: 1:8

Where to buy

Store	Price	Availability	Buy	Add to build
GunMag Warehouse Best price	$569.99checked Nov 13, 2026	In stock	Buy at GunMag Warehouse
Brownells 17.76% off · ends Nov 15 · exclusions apply	$569.00checked Nov 13, 2026	Out of stock	Buy at Brownells

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

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Lowest in-stock price in the last 30 days: $569.99 at GunMag Warehouse. Dashed line = out of stock. Tracking since Sep 28, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Brownells	$569.00	$569.00	$569.00
GunMag Warehouse	$569.99	$569.99	$569.99

Since Sep 28, 2026.

About this part

The AR-15/ 308 AR Stainless Steel Barrels - 223 Wylde 1-8 Twist 16" Stainless Barrel is a 16" 5.56 / .223 barrel from Proof Research. It's sold by 2 stores (1 in stock), from $569.00 to $569.99. The lowest in-stock price in the last 30 days was $569.99 at GunMag Warehouse.

From the manufacturer

When PROOF Research joined Lawrence Barrels in 2012 they acquired 15 years of experience in manufacturing precision steel barrels. PROOF manufatures stainless steel barrels in-house with an absolute commitment to extreme accuracy and quality. They start with double stress-relieved 416R stainless steel, a pre-hardened chromium stainless steel ideally suited for use in precision, match-grade rifle barrels. 416R was specifically designed by engineers in collaboration with barrel makers and rifle manufacturers to provide the consistency, high quality and durability the firearms industry demands. 416R is the material of choice because it has the following characteristics: Excellen Mfg: Proof Research