Anderson BCA AR15 450 Bushmaster, 15" Slim MLOK, 7 Round ASC Mag, Side Charger

Free Bulldog Pitbull Tactical Soft Case

Anderson AM-15 Lower Receiver is American made with superior quality for less! Our lower Receivers are CNC machined from a high-strength, 7075 T6 aluminum forging for reliable performance and outstanding durability. Machined to Military Specifications & Standards and marked “Multi-Cal” to be used with multiple calibers on the AR-15 platform. This Lower Receiver comes in type III black hard anodize. Anderson lower parts kit installed.

BCA AR-15 Complete Upper Assembly, 16" 4150 Parkerized Heavy Barrel, .450 Bushmaster, Carbine Length Gas System, 1:24 Twist w/ 12" MLOK, .875 Gas Block System

The BCA AR-15 Complete Upper Assembly has an 16" heavy barrel made out of 4150 chrome moly vanadium steel with a parkerized finish, a 1:24 twist rate and a carbine Length Gas System. The build includes a 12" MLOK rail, an M4 flat top forged upper receiver with forward assist, a bolt carrier group, birdcage flash hider and a charging handle. It is chambered in .450 Bushmaster and machined with feed ramps in the barrel extension.

This BCA AR-15 Complete Upper, like all BCA products, is subjected to numerous QA/QC checks which for our firearms and complete upper receiver assemblies includes test firing prior to approval and shipment. This Rifle is also backed by our Bear Den Guarantee.

Choose an upper designed by a US company and made in the USA. Choose Bear Creek Arsenal.

FEATURES: Mil Spec, Multi-Cal Engraved, Semi- Auto
MATERIAL: 7075 T6 Aluminum Forging
FINISH: Type 3 Hard Anodized, Black
Anderson Lower Parts Kit
M4 Pistol Grip
M4 6 Position Stock
Mil Spec Aluminum Anodized Buffer Tube
16” Heavy Barrel
4150 Chrome Moly Vanadium
Parkerized Finish
1:24 Twist
15” MLOK Rail
450 Bushmaster Cal
Carbine Length Gas System
M4 Flat-Top Billet Upper Receiver
Standard Bear Creek Arsenal Bolt Carrier Group
Side Charging Handle
LS2 Flash Hider

Is this firearm legal in your area? It is the buyer's responsibility to to make sure a firearm is legal in their area. Find out BEFORE you bid. No refunds will be given on any firearms that are not transferable.

There are no returns on firearms. Warranty Issues Are Handled By The Manufacturer.  Once the firearm is transferred and leaves the local dealer it is not refundable.

There is a 15% restock fee on cancelled paid orders to cover admin and credit card fees.

Have questions? Drop me an email

I must recieve your local dealers FFL before the item can ship. Your dealer may email or fax his FFL. Fax (877) 688-7334 email:

Local pickup is available by appointment. Call 919-373-8141. You must have a pistol permit or current Concealed Carry Permit for handguns. A NCDL or State ID is rquired.

Anderson BCA AR15 450 Bushmaster, 15" Slim MLOK

  • Brands Anderson
  • Product Code: Anseron_450BM_15ML
  • Availability: 2
  • $700.00

Available Options

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Tags: Anderson, BCA, AR15, 450, Bushmaster, 15" Slim MLOK, 7 Round, ASC Mag, Side Charger, 450BM