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Ruger American Rifle Gen II Bolt Action .450 Bushmaster 20" Barrel 3+1 Rounds

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Gen Ii

Bolt-action rifle chambered in .450

20-inch Threaded

Factory-installed radial-port muzzle brake

Cold Hammer-forged

Gun Metal Gray Cerakote finish

Marksman Adjustable

Trigger adjusts from 3 to

Power Bedding

System free-floats the barrel for

$629.99
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SKU: WX2*0739778

Overview

Built for hunters who want a hard-hitting bolt gun in a practical, field-ready package, this rifle is chambered for .450 Bushmaster and set up for close- to mid-range hunting applications. The Gen II version adds a more rigid ergonomic stock, a 20-inch threaded barrel with a factory-installed radial brake, and a 3-position tang safety for straightforward handling in the field. It also includes Ruger’s Marksman Adjustable trigger and Power Bedding system, which are aimed at delivering a clean trigger break and consistent barrel support. The gray splatter-finished synthetic stock and Gun Metal Gray Cerakote barrel finish give it a restrained, durable look without unnecessary extras.

Why Hunters Choose the Ruger

Cold Hammer-forged

Ultra-precise rifling and threaded muzzle

Marksman Adjustable

Trigger offers a crisp pull,

Power Bedding

System free-floats the barrel for

Three-position Tang

Safety adds convenient, secure handling

Rigid Ergonomic

Gray splatter finish and low

Key Features

  • Gen II bolt-action rifle chambered in .450 Bushmaster
  • 20-inch threaded barrel with factory-installed radial-port muzzle brake
  • Cold hammer-forged barrel with Gun Metal Gray Cerakote finish
  • Marksman Adjustable trigger adjusts from 3 to 5 pounds
  • Power Bedding system free-floats the barrel for consistent accuracy
  • Gray splatter-finished synthetic stock with more rigid ergonomic design
  • Includes one 3-round magazine and a 3-position tang safety

Best Used For

  • Hunters wanting a bolt-action rifle chambered for .450 Bushmaster deer or hog hunting
  • Shooters who prefer a lightweight, easy-handling rifle for quick field movement
  • Users planning to mount magnified optics and benefit from the low comb design
  • Hunters seeking a threaded-barrel rifle with a factory-installed radial brake
  • Those wanting an affordable big-bore rifle with adjustable trigger and 3-round magazine

Specifications

ActionBolt Action
Barrel FinishGun Metal Gray Cerakote
Barrel Length20"
Bedding SystemPower Bedding
Bolt Design3-lug 70deg bolt
Caliber.450 Bushmaster
Capacity3+1 Rounds
Fluted BarrelYes
Low CombYes
Made In UsaYes
Magazine Included1 3-rd. magazine
Muzzle DeviceFactory-installed radial brake
Recoil PadSoft rubber recoil pad
Safety3-position tang safety
Stock FinishGray splatter-finished
Stock MaterialSynthetic
Threaded BarrelYes
TriggerMarksman Adjustable trigger
Trigger Pull Weight3-5 lbs.

Pros

  • Cold hammer-forged barrel with ultra-precise rifling and threaded muzzle brake
  • Marksman Adjustable trigger offers a crisp pull, adjustable from 3 to 5 pounds
  • Power Bedding system free-floats the barrel for consistent receiver location
  • Three-position tang safety adds convenient, secure handling
  • Rigid ergonomic synthetic stock with gray splatter finish and low comb
  • Includes one 3-round magazine for ready use

Considerations & Trade-offs

  • The 20" barrel and factory-installed radial-port muzzle brake may add length and muzzle blast compared with a more compact setup, which is worth considering for close-quarters or tight hunting environments.
  • Chambered in .450 Bushmaster, this rifle is built around a big-bore cartridge that brings more recoil than lighter hunting calibers, even with the soft rubber recoil pad and brake.
  • The included magazine is 3-round capacity, so hunters who want greater on-board capacity will need to plan around that limitation.
  • The low comb is designed to improve sight alignment with magnified optics, but it can be removed, so stock setup may need to be tailored to your preferred sighting system.

Suggested Comparisons

  • Bolt-action big-bore hunting rifle
  • .450 Bushmaster rifle
  • Threaded-barrel rifle
  • Synthetic-stock hunting rifle

Suggested Accessories

  • Scope rings and bases
  • Muzzle brake accessories
  • Rifle sling
  • Cleaning kit

Frequently Asked Questions

What caliber is this Ruger American Rifle Gen II chambered in?

It is chambered in .450 Bushmaster.

Does this rifle include a magazine, and what is its capacity?

Yes. The product includes one 3-round magazine, and the rifle is listed as 3+1 rounds.

What barrel features are listed for the Gen II model?

The Gen II model is described with a new 20" threaded barrel, a factory-installed radial-port muzzle brake, and a Gun Metal Gray Cerakote finish.

What safety and trigger features are included?

It has a new 3-position tang safety and a Marksman Adjustable trigger that is crisp, clean, and adjustable from 3 to 5 lbs.

Is this rifle set up for optics?

The description says the new low comb improves sight alignment when using magnified optics, and the 3-lug 70-degree bolt provides ample scope clearance.