Xtreme XM21




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Bula Defense Xtreme XM21 Rifle features a 16″ barrel with a 5/8 X 24 muzzle thread. The forged XM21 receiver has the scope rail milled right into the top of the forging, eliminating iron sights and is ready for you to add your favorite optic. Other key features include a composite, tactical stock with case-hardened steel folding adapter that locks open or closed and an M-Lok forend with a rail on the stock. It also includes a matching composite handguard. The rifle is suppressor ready and can be purchased with a traditional walnut stock or a tactical stock without a folding adapter.

Features: Bula Defense forged XM21 receiver with forged MIL-SPEC components; gas operated, piston driven, semi-automatic action; one (1) 20 round box magazine included; two (2) standard sling swivels; and 5/8-24 muzzle brake.

The rifle includes a USGI style handguard that will be black on tactical stocks and brown on walnut stocks.

  • Caliber: .308 Winchester
  • Stock: Composite tactical stock with folding adapter
  • Sights: Fully adjustable aperture style rear sight
  • Finish: Manganese Phosphate
  • Barrel Length: 16″
  • Twist: 1-10 RH
  • Grooves: 4
  • Overall Length: 43″
  • Weight: 9 lbs
  • Length of Pull: 13.2″
  • Price: $2,250.00
  • Limited Lifetime Warranty

Additional information

Weight 9 lbs
Dimensions 48 × 13 × 5 in

Requires an FFL


Right-handed, Left-handed (+$150)


Walnut, Folding (+$150), Tactical (+$200)


Composite, Wood Handguard (+$100)