Model: RP9SFS-450M

Caliber: .450 Bushmaster

Action: Semi-Automatic, Gas Impingement System

Capacity: 5 + 1 – Ships with one 5 Round Magazine

Safety: Manual Lever with Indicator Markings on Both Sides of Receiver

Receiver: Flat Top Type Upper Receiver with Laser Engraved Caliber

Receiver: Forged 7075 T6 Aircraft Aluminum with Magpul Enhanced Trigger Guard

Receiver Finish: Hardcoat Black Anodize Finish

Bolt Material: Machined from Mag Particle Inspected Carpenter 158 or 9310 Steel

Barrel: 9″ (228.6mm) Medium Profile with Melonite QPQ Finish. Includes .450 Compensator.

Barrel Material: 4150 Chrome Moly Vanadium 11595E Steel with M4 Feed Ramps

Rifling: 1 in 24″ (609.6mm) – Right Hand Twist

Receiver Tube: AR Pistol Type w. Foam Sleeve & W-W Laser Engraved Logo

Forend: 7″ (177.8mm) Windham Weaponry Free-Float Railed Handguard with 2″ (50.8mm) Rail Section

Stock: Fitted with SB Tactical Pistol Arm Brace with QD Endplate and QD Sling Swivel

Pistol Grip: Hogue Overmolded Beavertail Grip

Rear Sight: Magpul MBUS Rear Flip Sight

Front Sight: Magpul MBUS Front Flip Sight

Weight: 5.8 lbs. (2.63kg) without magazine

Length: 26.25″ (666.75mm)

Packaging: Hard Plastic Gun Case & Operators Manual