AR15 Parts and Accessories by M&A Parts

16 450 Thumper

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  • 16 450 Thumper

Product Details

16" Car 450 Thumper

This is ready to snap onto your AR15 Lower Receiver/Stock Assembly. The Assembly includes a 16 .450 Bushmaster Caliber Barrel with a Windham Weaponry stamped Freefloat Railed Handguard already installed, a .450 Bolt & Bolt Carrier, and a straight, 5 Round .450 Magazine. The Barrel is heavy profile 4150 Chrome Moly Vanadium 11595E Steel, Chrome Lined in Bore and Chamber, rifled 1 turn in 24 inches - right hand twist - with 6 lands & grooves. The muzzle is fitted with an A2 Birdcage Type Flash Hider.

M&A Price: $740.15

Was: $795.00

Usually Ships 2-3 Days
Item #
450 Thumper Upper
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Customize Your Kit

Build your complete kit or customize an existing one by selecting itmes from the pull down menus below.

  • Charging Handle
  • Detachable Front Sight
  • Detachable Rear Sight
Subtotal: $740.15