Proof Research TUNDRA | Bolt Action Rifle | Green Jungle

The Proof Research TUNDRA is a bolt-action rifle combining a Defiance Ruckus action with a carbon-fiber wrapped match-grade barrel and a Green Jungle Tundra carbon-fiber stock. The rifle is finished in black and includes a threaded muzzle for accessory compatibility. For optics under $1,000 that complement the TUNDRA’s precision potential, consider the Vortex Viper HS-T 6-24×50 for a balance of magnification, clarity, and reticle options.

Typical uses for this rifle include long-range field hunting and precision target shooting where weight, accuracy, and a reliable action are priorities.

Product Specifications

• The action is a Bolt Action.
• The stock is a Green Jungle Tundra carbon-fiber stock.
• The barrel features a CF wrapped match grade barrel.
• The rifle is finished in Black.
• The package includes a Threaded Barrel with an NFA thread pattern of 5/8×24.
• The rifle carries a Sub 1/2 MOA Guarantee.
• The action manufacturer is listed as Defiance Ruckus Action.
• The rate of twist is 1-in-8.
• The listed weight is 8 lbs. 2 oz..
• The ATF type is listed as RIFLE and the ATF model as TUNDRA.
• The ATF manufacturer is listed as PROOF.
• The grip material is described as Carbon Fiber Stock Green Jungle Tundra Stock.
• Additional features include Defiance Ruckus Action and a CF Wrapped Match Grade Barrel.
• The product type is Rifle.
• The UPC is 843068146187.

The TUNDRA pairs lightweight, advanced materials with a match-grade barrel and a proven action to deliver a capable platform for precision field work. Its carbon-fiber components reduce weight without sacrificing rigidity, and the threaded muzzle increases flexibility for muzzle devices or suppressors. Overall, this rifle is designed for shooters who prioritize accurate, repeatable performance in demanding environments.

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