Davidson Defense "Piraiba"
AR-15 Upper Receiver
16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel
Premium 15" M-Lok Handguard
(Assembled or Unassembled)
The .450 Bushmaster Is The One To Choose Over The Big 3 Big Bore AR Calibers .450 Bushmaster, 485 SOCOM Or Beowulf.
.450 Bushmaster Bullets Have Better Ballistics Than .458 Socom Bushmaster Ammo Is Cheaper Much Easier To Load Too. The Beowulf You Need To Take Out A Mortgage To Pay For Ammo So You Choose What Caliber Is Better?
Built On An Upper Receiver Forged From 7075-T6 Aluminum. This Stripped Upper Is Precision Machined To Mil-spec M16/M4 Specifications And Features M4 Feedramps.
This Build Features A 16" .450 Bushmaster Barrel From Gauntlet Arms. This Barrel Is Made From 4150 CMV And Has A 1-24 Twist Rate. This Heavy Barrel Also Includes A Thread Pitch Of 5/8x32.
This Upper Features A Premium 15" M-Lok Handguard From JE Machine. This Handguard Allows You To Comfortably Grip Your Rifle In A Variety Of Shooting Positions And Securely Mount A Variety Of Accessories.
Included Is The Kaw Valley Precision Linear Comp Which Is A Part Of A Small Family Of Compensators Aimed At Taming Muzzle Concussion. The KVP Magnum Linear Comp, Collects And Redirects Muzzle Gases Away From The Shooter. The Magnum Linear Comp Is Machined From Carbon Steel, QPQ Black Nitride Finished, And Can Be Used In Any Rifle Cartridge Application.
Barrel MFG: Gauntlet Arms
Barrel: 16" .450 Bushmaster 4150 CMV Heavy Barrel
Twist Rate: 1-24T
Thread Pitch: 5/8x32
Gas System Length: Carbine
Upper: AR-15 Mil-Spec Upper Receiver
Handguard: Premium 15" JE Machine M-Lok Handguard
Gas Block: .875 Low Profile Steel Gas Block
Gas Tube: Tactical Superiority Stainless Steel Carbine Gas Tube
Muzzle Brake: Kaw Valley Precision Linear Comp
Forward Assist: Omega Mfg. AR-15 Forward Assist Assembly
Ejection Port Door: Omega Mfg. AR-15 Ejection Port Door, Rod And Spring
Upper Weight: 4lb 4oz
Please note: If the listing says "In-Stock" it means we have all of the items in stock. Our assembled upper receivers are made to order, please check this LINK to view our most up to date shipping status.