Windham Weaponry 450 Thumper .450 Bushmaster Semi-Automatic Rifle


Category: Product ID: 1629


This new big bore model is chambered for the massive .450 Caliber cartridge. If you need heavy caliber stopping power for your next hog hunt, this is your rifle. The Luth-AR Buttstock will adjust perfectly to your length of pull, and setting a custom cheekrest height puts you into the sights or scope of your choice instantly. With a new Windham Weaponry free-float forend featuring multiple M-Lok mounting points and a comfortable Hogue Overmolded Pistol Grip make the .450 Thumper high in accuracy, value, and utility.

Firearm Specifications

  • Model: R16SFSL-450
  • Caliber: .450 Bushmaster
  • Type: Rifle
  • Action: Semi-Automatic Gas Impingement System
  • Capacity: 5 + 1- Ships with one 5 Rd. Magazine
  • Safety: Manual Lever with Indicator Markings on Both Sides of Receiver
  • Receiver: Flat Top Type Upper Receiver with Laser Engraved Caliber
  • Receiver Material: Forged 7075 T6 Aircraft Aluminum with Aluminum Trigger Guard
  • Barrel: 16” Chrome Lined with A2 Flash Suppressor
  • Bolt Material: Carpenter 158 Steel
  • Barrel Material: 4150 Chrome Moly Vanadium 11595E Steel
  • Rifling: 1 Turn in 24” – Right Hand Twist
  • Stock: Luth-AR Buttstock with adjustable buttplate & cheekrest
  • Forend / Pistol Grip: WW Free-Float Forend / Hogue Overmolded Beavertail Grip
  • Rear Sight: None – Ready for optics or other type accessory sights
  • Front Sight: None – Ready for accessory sights
  • Packaging: Hard Plastic Gun Case with Black Web Sling & Operators Manual


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