Windham Weaponry has released new 450 Thumper models which are AR-15 pattern rifles chambered in the .450 Bushmaster cartridge.

Currently, Windhma Weaponry has two models int he 450 Thumper series R16FTT-450-MOE and R16SFSL-450-Alpha.

R16FTT-450-MOE Windham Weaponry Special Build 450 Rifle MagPul MOE M-Lok Car Length Handguards

  • 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 450 Muzzle Brake
  • Bolt Material: Machined from Mag Particle Inspected Carpenter 158 or 9310 Steel
  • Barrel Material: 4150 Chrome Moly Vanadium 11595E Steel
  • Barrel Material: 4150 Chrome Moly Vanadium 11595E Steel w. M4 Feed Ramps
  • Rifling: 1 Turn in 24” – Right Hand Twist
  • Stock: MagPul Ctr Stock – Mil Spec w/ QD-Endplate & Quick Detach Sling Swivel
  • Forend: MagPul MOE M-Lok Car Length Handguards
  • Pistol Grip: 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 Operators Manual

R16SFSL-450-Alpha Windham Weaponry Special Build 450 Rifle with Troy Alpha Rail Handguard

  • 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 450 Muzzle Brake
  • Bolt Material: Machined from Mag Particle Inspected Carpenter 158 or 9310 Steel
  • Barrel Material: 4150 Chrome Moly Vanadium 11595E Steel
  • Barrel Material: 4150 Chrome Moly Vanadium 11595E Steel w. M4 Feed Ramps
  • Rifling: 1 Turn in 24” – Right Hand Twist
  • Stock: MagPul Ctr Stock – Mil Spec w/ QD-Endplate & Quick Detach Sling Swivel
  • Forend: Troy 11” Alpha Battlerail Handguard
  • Pistol Grip: 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 Operators Manual

To learn more about Windham Weaponry. CLICK HERE