Wise Arms WA-15B .300 Blackout 16" - AR-15 Rifle

The Wise Arms WA-15B .300 Blackout 16" turns your standard AR-15 lower into a hard-hitting .300 Blackout platform that excels suppressed, unsuppressed, and everywhere in between — no new lower, no new mags required.

The Wise Arms WA-15B .300 Blackout 16" brings .300 Blackout capability to a semi-automatic AR-15 rifle, using a direct impingement operating system designed for dependable function in any condition.

Built for Suppressors: The .300 Blackout cartridge was engineered from the ground up for suppressed use. Subsonic loads run quietly and cycle reliably — the standard for an effective suppressed AR-15.

Supersonic Versatility: Swap to supersonic loads and this platform delivers hard-hitting terminal performance at practical carbine ranges — making it a genuinely dual-purpose rifle for hunting and defense.

Lower Compatibility: Standard AR-15 lower receivers and STANAG magazines work without modification. Only the barrel and BCG are caliber-specific, protecting your existing investment.

Effective Hunting Caliber: Supersonic .300 BLK loads produce enough energy for deer and medium game at moderate ranges, extending the practical role of this AR-15 beyond range and defense use.

• Caliber: .300 Blackout
• Barrel Length: 16"
• Gas System: Direct Impingement
• Handguard: 15" M-Lok Free-Float
• Muzzle Threading: 1/2x28
• Magazine Capacity: 30-Round
• Weight: 3.5 LB
• Finish: ODG Cerakote
• Origin: Made in the USA

Uses standard AR-15 lower receivers and STANAG magazines. Shares lower receiver and magazine compatibility with 5.56 platforms — only barrel and BCG are caliber-specific.

Machined from 7075 aluminum and coated with ODG Cerakote, the receiver set offers durable protection against wear and environmental exposure while maintaining precise fit between components.

Purpose-built for suppressed shooting, home defense, and hunting thin-skinned game at moderate range. A natural fit for suppressor owners who want subsonic capability from an AR-15 lower.

Wise Arms produces American-made AR-15 rifles with a wide Cerakote finish selection, giving shooters a dependable, customizable platform backed by domestic manufacturing. Made in the USA.