MSF 18” .450 Bushmaster Rifle Build Kit

What Makes Our 450 Bushmaster Build Kit Awesome

• Fully customizable 18″ .450 Bushmaster platform
• Premium-grade components 
• Total customization options across every critical system
• Purpose-built for serious hunters and precision shooters
• Complete AR-15 style build with all the configuration choices
• Free shirt with build kit purchase!

450 Bushmaster Build  Kit Customization Options

450 Bushmaster AR Kit Upper Receiver Options

Our 450 Bushmaster AR Kit allows you to dial in your upper receiver precisely the way you want:

• Bolt Carrier Group Options
• Charging Handle Options
• Handguard Options
• Muzzle Device Options
• Pin/Weld Muzzle Device?

Lower Options for Your 450 Bushmaster Build Kit 

Transform your 450 Bushmaster Lower Kit with complete flexibility:

• Stock Options
• Pistol Grip Options
• Takedown/Pivot Pins
• Trigger/Hammer Pins
• Safety Selector
• End Plate
• Trigger

More Add-Ons For Your 450 Bushmaster Build Kit

• Custom Dust Cover Engraving
• Foregrip Options
• Sights / Optics
• Light Options
• Folding Adapter
• Lower Parts?
• Silencer Use?
• Slings
• Tools / Extras

Technical Specifications

• Barrel Length: 18″
• Caliber: .450 Bushmaster
• Build Style: Rifle

Frequently Asked Questions

What Makes the 450 Bushmaster Unique?

The .450 Bushmaster delivers tremendous stopping power for large game, offering superior performance in dense woods and thick brush hunting conditions. Its straight-walled cartridge design provides exceptional reliability and legal compliance in straight-wall cartridge hunting regions.

Can I Fully Customize Every Component?

Absolutely! Our 450 Bushmaster AR Build Kit is designed for total customization. Select from a menu of upper, lower, and other custom options; everything from optics and foregrips to dust cover engraving and light mounting options–you control every aspect of your build!

Why Choose Mid State Firearms?

When you select our 450 Bushmaster Build Kit, you get more than a bunch of parts and components. Your 450 Bushmaster build kit represents an opportunity to be even more invested in your weapon. The Bushmaster is part of a precision-engineered platform that adapts to your specific hunting and/or shooting requirements. Each MSF kit represents our commitment to quality, performance, and customization.

Ready to Customize Your 450 Bushmaster Build Kit?

Check out the endless possibilities for customizing your 450 Bushmaster build kit right here. Need assistance? We would be happy to help–just reach out to our knowledgeable team with your questions. We want you to get the most out of your build!