• 833-496-6401
  • My Account
  • Contact Us
  • Shipping Info
Davidson Defense INC.
  • Login
  • Register
0 Items
  • Products
    • 1911 Parts
    • 80% Lowers & Frames
    • Air Gun(s) + Products
    • AK/AKM Products
    • AR-15 Ambidextrous Parts
    • AR-15 & LR-308 Upper Build Kits
    • AR-15 80% Lower Build Kits
    • AR-15/LR-308 Upper Build Starter Kits
    • AR-15/LR-308/AR-10 Lower Parts
    • AR-15/LR-308/AR-10 Uppers and Upper Parts
    • AR-15/LR-308 Upgrade Kits
    • Bags & Gear
    • Barrels
    • Bipod
    • Bolt Carrier Groups (BCG) & Parts
    • Buffer System Parts
    • Charging Handles
    • Combos
    • Complete Firearms
    • Conversion Kits
    • DIY Pistol Kits
    • Ejection Port Doors
    • Finish Your Build Kit
    • Furniture
    • Gas Blocks/Gas Tubes
    • Glock Compatible Kits, Parts & Accessories
    • Grips
    • Handguards
    • Handguns/Other Firearms Parts
    • Knives
    • Lights/Lasers
    • Magazines
    • Mounts
    • Muzzle Devices
    • Odd Ball Combos
    • Body Armor/Plate Carriers / Protective Gear
    • Scopes / Sights / Optics
    • Self Defense/Less-Lethal
    • Shooting Training
    • Shotgun Parts
    • Slings
    • Small Parts
    • Stocks and Pistol Braces
    • Survival Gear
    • Tactical Gift Boxes
    • Tools
    • Triggers
    • EDC Gear
  • AR-15 & LR-308 Upper Build Kits
    • Budget Builds Under $200
    • Full Build Kits Under $400
    • AR-15 and LR-308/AR10 Upper Build Kits By Caliber
    • AR-15 A2 Retro Style Upper Build Kits
    • AR-15 Side Charging Upper Receiver Builds
    • AR-15 and LR-308/AR-10 Complete Upper Build Kits
    • Elite Series Upper Build Kits
    • Pre-Assembled Upper Builds
    • AR-15 & LR-308 Full Build Kits (Everything Minus Lower)
    • Pre-Assembled Upper Builds - Faster Shipping
    • Upper Build Kits w/Optic
  • Calibers
    • Shop By | .22 Nosler
    • Shop By | .223 Wylde / 5.56 NATO
    • Shop By | .243 WIN
    • Shop By | .300 Blackout
    • Shop By | .308 WIN
    • Shop By | .350 Legend
    • Shop By | .40 S&W
    • Shop By | .45 ACP
    • Shop By | .450 Bushmaster
    • Shop By | .458 Socom
    • Shop By | 6.5 Creedmoor
    • Shop By | 6.5 Grendel
    • Shop By | 7.62x39mm
    • Shop By | 9mm
    • Shop By | 9x39mm
  • Lower Receivers
    • Builder Sets
    • Complete Firearms
    • Lower Build Kits
    • Stripped Lower Receivers
  • Shop by Brands
    • 2A Armament
    • 3rd Gen Tactical
    • 3Gun Labs
    • A*B Arms
    • Adaptive Tactical
    • Aero Precision
    • Alpha One
    • American Trigger Corporation
    • Anderson Mfg.
    • Armaspec
    • Ballistic Advantage
    • Battle Arms Development
    • Black Arch
    • Black Beard
    • Bravo Company
    • BSF Barrels
    • CAA (Micro Roni)
    • Clenzoil
    • Cloud Defensive
    • CMMG
    • C.R.K.T. Knives
    • C.R.K.T. Knives
    • Crosman
    • Decibullz
    • Ergo
    • FAB Defense
    • Faxon Firearms
    • Fortis Manufacturing
    • Geissele Automatics
    • Gel Blaster
    • Glock
    • Guard Dog Body Armor
    • Guntec USA
    • Helius Tactical
    • Hiperfire
    • Hogue
    • Holosun
    • James Madison Tactical
    • JE Machine
    • KA-BAR
    • KAK Industry
    • Kaw Valley Precision
    • Kershaw Knives
    • Lancer Systems
    • Lone Wolf
    • Luth-AR
    • Magpul
    • MagStorage Solutions
    • MantisX
    • Mec-Gar
    • Mercury Precision
    • Midwest Industries
    • MTN OPS
    • MVB Industries
    • NcStar/VISM
    • North American Rescue
    • Odin Works
    • Off Grid Tools
    • Polymer80
    • Rapid Rope
    • Real Avid
    • Rise Armament
    • Ruger
    • SB Tactical
    • Sig Sauer
    • Slip 2000
    • Spike's Tactical
    • Spyderco Knives
    • Strike Industries
    • Swampfox Optics
    • Sylvan Arms
    • Tacfire
    • Talon Grips Inc.
    • Taran Tactical
    • Timber Creek
    • Trinity Force
    • Troy Industries
    • Ultimate Survival Technologies
    • Ultradyne
    • Umarex
    • Unique-ARs
    • UTG Leapers
    • Wiley X
    • Yankee Hill Machine
  • Top Sellers

Top Sellers

US Tactical Ind. Enhanced Stainless Steel 5.56/9mm Firing Pin Retainer ** 2 Pack**
US Tactical Ind. Enhanced Stainless Steel 5.56/9mm Firing Pin Retainer ** 2 Pack**
$19.99 $4.49
ASC .450 Bushmaster Magazine - 7 Round
ASC .450 Bushmaster Magazine - 7 Round
$39.99 $24.99
Davidson Defense
Davidson Defense "Warrior Wasp" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 13" M-Lok Handguard (Assembled or Unassembled)
$629.99 $309.99
Davidson Defense
Davidson Defense "Bullshot" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$649.99 $309.99
Davidson Defense
Davidson Defense "Mandrill" AR-15 Featuring Aero Precision Upper Receiver 16" .450 Bushmaster 1-24T 4150 CMV Heavy Barrel 15" KeyMod Handguard (Assembled or Unassembled)
$504.99 $314.99
DD Custom Arms
DD Custom Arms "Megapode" AR-15 Featuring Anderson Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 12" Unique AR Handguard (Assembled or Unassembled)
$599.99 $409.99
Davidson Defense
Davidson Defense "Ferd" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$634.99 $329.99
Davidson Defense
Davidson Defense "Gonzo" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$649.99 $339.99
Davidson Defense
Davidson Defense "Mandrill" AR-15 Featuring Davidson Defense Upper Receiver 16" .450 Bushmaster 1-24T 4150 CMV Heavy Barrel 15" KeyMod Handguard (Assembled or Unassembled)
$504.99 $314.99
Davidson Defense
Davidson Defense "Lonomia" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$619.99 $309.99
DD Custom Arms Elite Series
DD Custom Arms Elite Series "Landit Bandit" AR-15 Featuring An AR-15 Upper Receiver 16" Gauntlet Arms .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 12" Unique AR Handguard (Assembled or Unassembled)
$739.99 $429.99
Davidson Defense
Davidson Defense "Coleus" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$649.99 $334.99

New Releases

AR-15 Enhanced Prepped Upper Receiver: Strike Industries Extended Forward Assist + Strike Industries AR Enhanced Ultimate Dust Cover
AR-15 Enhanced Prepped Upper Receiver: Strike Industries Extended Forward Assist + Strike Industries AR Enhanced Ultimate Dust Cover
$172.99 $67.99
Davidson Defense
Davidson Defense "Saunders" AR-15 Rifle Full Kit 9MM 16.5" 4150 CMV QPQ Nitride 1-10T 14" M-Lok Handguard (Assembled or Unassembled)
$799.99 $374.99
DD Custom Arms
DD Custom Arms "Cerise" LR-308 Pistol Featuring Aero Precision Upper Receiver 12.5" .308 Win 4150 CMV QPQ Nitride 1-10T Barrel 12" High Profile KeyMod Handguard (Assembled or Unassembled)
$719.99 $404.99
DD Custom Arms
DD Custom Arms "Patchwork" LR-308 Pistol Featuring Aero Precision Upper Receiver 12.5" .308 Win 4150 CMV QPQ Nitride 1-10T Barrel 12" High Profile M-Lok Handguard (Assembled or Unassembled)
$739.99 $424.99

Browse by Price

  • $0 - $49
  • $50 - $149
  • $150 - $299
  • $300 +

Manufacturer

  1. Home
  2. Calibers
    3. .450 Bushmaster
  3. Shop By

Shop By | .450 Bushmaster

  • Barrels
  • .450 Bushmaster - Bolt Carrier Groups
  • AR-15 .450 Bushmaster Upper Build Starter Kits

Products [30]

Sort by:
1 2 Next Page View All
US Tactical Ind. Enhanced Stainless Steel 5.56/9mm Firing Pin Retainer ** 2 Pack**
US Tactical Ind. Enhanced Stainless Steel 5.56/9mm Firing Pin Retainer ** 2 Pack**
$19.99 $4.49 Sale
In Stock.
Add To Cart
Gauntlet Arms
Gauntlet Arms "Monado" AR-15 16" 450 Bushmaster, Carbine Gas, HBar, 1:24T Phosphate Barrel
$169.99 $144.99 Sale
In Stock.
Add To Cart
Davidson Defense
Davidson Defense "Mandrill" AR-15 Featuring Aero Precision Upper Receiver 16" .450 Bushmaster 1-24T 4150 CMV Heavy Barrel 15" KeyMod Handguard (Assembled or Unassembled)
$504.99 $314.99 Sale
In Stock.
Select Options
DD Custom Arms
DD Custom Arms "Megapode" AR-15 Featuring Anderson Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 12" Unique AR Handguard (Assembled or Unassembled)
$599.99 $409.99 Sale
In Stock.
Select Options
ASC .450 Bushmaster Magazine - 7 Round
ASC .450 Bushmaster Magazine - 7 Round
$39.99 $24.99 Sale
In Stock.
Add To Cart
Davidson Defense
Davidson Defense "Mandrill" AR-15 Featuring Davidson Defense Upper Receiver 16" .450 Bushmaster 1-24T 4150 CMV Heavy Barrel 15" KeyMod Handguard (Assembled or Unassembled)
$504.99 $314.99 Sale
In Stock.
Select Options
Custom Deal AR-15 Big Bore Build Starter Featuring A 16
Custom Deal AR-15 Big Bore Build Starter Featuring A 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel And KAK Industry Compensator (Unassembled)
$284.99 $169.99 Sale
In Stock.
Add To Cart
Davidson Defense
Davidson Defense "Warrior Wasp" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 13" M-Lok Handguard (Assembled or Unassembled)
$629.99 $309.99 Sale
In Stock.
Select Options
Davidson Defense
Davidson Defense "Goonch" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$639.99 $319.99 Sale
In Stock.
Select Options
Davidson Defense
Davidson Defense "Horridum" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$624.99 $314.99 Sale
In Stock.
Select Options
Davidson Defense
Davidson Defense "Lonomia" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$619.99 $309.99 Sale
In Stock.
Select Options
Davidson Defense
Davidson Defense "Bullshot" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$649.99 $309.99 Sale
In Stock.
Select Options
Davidson Defense
Davidson Defense "Ferd" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$634.99 $329.99 Sale
In Stock.
Select Options
Davidson Defense
Davidson Defense "Gonzo" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$649.99 $339.99 Sale
In Stock.
Select Options
DD Custom Arms Elite Series
DD Custom Arms Elite Series "Landit Bandit" AR-15 Featuring An AR-15 Upper Receiver 16" Gauntlet Arms .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 12" Unique AR Handguard (Assembled or Unassembled)
$739.99 $429.99 Sale
In Stock.
Select Options
DD Custom Arms Elite Series
DD Custom Arms Elite Series "Mesmerize" AR-15 Featuring An AR-15 Upper Receiver 16" Gauntlet Arms .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 15" Unique AR Handguard (Assembled or Unassembled)
$724.99 $424.99 Sale
In Stock.
Select Options
DD Custom Arms Elite Series
DD Custom Arms Elite Series "Milit-Ant" AR-15 Featuring An AR-15 Upper Receiver 16" Gauntlet Arms .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 15" Unique AR Handguard (Assembled or Unassembled)
$744.99 $444.99 Sale
In Stock.
Select Options
Davidson Defense
Davidson Defense "Phylloxera" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 12.5" M-Lok Handguard (Assembled or Unassembled)
$644.99 $314.99 Sale
In Stock.
Select Options
Davidson Defense
Davidson Defense "Sigiriya" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$664.99 $359.99 Sale
In Stock.
Select Options
Davidson Defense
Davidson Defense "Ayuthaya" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$654.99 $349.99 Sale
In Stock.
Select Options
Davidson Defense
Davidson Defense "Hampi" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$609.99 $324.99 Sale
In Stock.
Select Options
Davidson Defense
Davidson Defense "Masada" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Heavy Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$679.99 $364.99 Sale
In Stock.
Select Options
Davidson Defense
Davidson Defense "Bebop" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-24T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$689.99 $344.99 Sale
In Stock.
Select Options
DD Custom Arms
DD Custom Arms "Ageratum" AR-15 Featuring Aero Precision XL Upper Receiver 16" .450 Bushmaster 4150 CMV 1:24T Heavy Barrel 13" M-Lok Handguard (Assembled or Unassembled)
$644.99 $339.99 Sale
In Stock.
Select Options
1 2 Next Page View All
Pages
  • Contact Us
  • Warranty, Returns & Terms
  • Product Restrictions
  • FAQ
  • About Us
  • Careers
  • Privacy Policy

©Copyright Davidson Defense INC. All Rights Reserved.

333 N State St. Orem, Utah 84057
United States Of America
833-496-6401

Menu Links

Categories