Item Number

The Wilson Combat .450 Bushmaster Build Kit offers an excellent choice for hunters in need of a reliable and powerful rifle. The 16" fluted, threaded, Recon Tactical profile barrel is designed to deliver superior big-bore performance with its 1:24 twist rate. Please note this kit is not eligible for Armor-Tuff finishing on the barrel.

Out of stock
60 % of 100

For hunters in search of a dependable yet formidable rifle, Wilson Combat's .450 Bushmaster Build Kit is the ideal option. Its 16" fluted, threaded Recon Tactical profile barrel provides unparalleled power with its 1:12 twist rate while boasting maximum accuracy and precision. This kit also includes a nickel boron matching bolt carrier assembly, adjustable gas block, gas tube, muzzle brake, and blueprint for the upper receiver - so you can get your build underway without delay. For those looking for the ultimate hunting rifle that won't let them down in any scenario, this is the perfect solution. Get ready to take your hunt to the next level with the Wilson Combat .450 Bushmaster Build Kit!

Please note this kit is not eligible for Armor-Tuff finishing on the barrel.

  • Chamber: .450 Bushmaster
  • Feed Ramps: .450 Bushmaster specific
  • Finish: Matte bead blast stainless
  • Gas Block Seat: .875" Diameter by .900" Length - Dimpled for Set Screw
  • Gas System: Carbine Length
  • Length: 16"
  • Material: 416R barrel grade stainless steel
  • Muzzle Threads: 11/16" x 24
  • Profile: Recon Tactical (Fluted)
  • Rifling: 1:24 six groove button rifled
  • Weight: 28.7 oz.

Kit Includes:

  • 16" barrel
  • Complete bolt carrier assembly (Nickel Boron)
  • Adjustable gas block
  • Gas tube (Straight)
  • Q-comp muzzle brake
  • Blueprint for upper receiver modification
  • "1.55-1.60" inside rail height required to clear .875 SLR gas block

Caliber Notes: The .450 Bushmaster is a large bore, straight-walled cartridge that is compatible with a standard AR receiver. It has higher supersonic velocities than most other big-bore .45 caliber AR cartridges but is bot typically used as a subsonic round. The .450 Bushmaster is ballistically equivalent to the 45-70 and legal for hunting is states that require straight-walled cartridges.

For build kit installation instructions and tips, click here.

NOTE: Wilson Combat rifle parts are intended to provide an easy drop-in fit, but due to the variance in manufacturer tolerances it is possible that some minor fitting may be necessary for proper installation. If you lack experience or confidence in your ability to properly install these parts we STRONGLY recommend consulting with a professional gunsmith prior to proceeding. Failure to do so could potentially result in serious injury or death - USE AT YOUR OWN RISK.

More Information
Firearm Type Rifle
Rifle Type AR-15
Caliber 450 Bushmaster
Manufacturer Wilson Combat
Rifle Part Type AR Build Kits
Write Your Own Review
You're reviewing:BUILD KIT, 450 Bushmaster, RECON, 16", FLUTED, 1-24, RAPID THREAD MUZZLE BRAKE
Your Rating
What's this? Check "Remember Me" to access your shopping cart on this computer even if you are not signed in.