The Sharps Bros Heatseeker Chassis transforms your Ruger American Ranch short action rifle into a modern, tactical platform without breaking the bank. Built from solid 6061-T6 aluminum billet and weighing just 1 pound 3 ounces, this chassis system swaps in for your factory stock to give you AR-15 magwell compatibility, improved ergonomics, and a purpose-built setup for hunters and shooters who want to modernize a classic action. If you're running a Ranch model in .223, .300 Blackout, .350 Legend, 6.5 Grendel, or .450 Bushmaster and feeding it AR magazines, this is the direct-fit upgrade you've been looking for.

The Heatseeker chassis includes a 14-inch handguard machined from Sharps Bros' proprietary aluminum extrusion profile—a 10-ounce component designed to deliver a slim, secure grip with clean lines. The AR buffer interface keeps you compatible with standard mil-spec components, so upgrades and customization follow familiar paths. It's lightweight without feeling flimsy, rigid where it counts, and backed by the reputation of a builder trusted by precision rifle shooters and working hunters alike.

Whether you're customizing a Ranch rifle for varmint duty, precision rifle competition, or just want to modernize your bolt-gun ergonomics, the Heatseeker delivers real versatility at a price point that won't demand a second mortgage. Installation is straightforward on compatible models—no permanent modifications to your receiver needed.

Key Features

• Direct fit for Ruger American Ranch short action rifles with AR magazine compatibility
• Machined from billet 6061-T6 aluminum for strength without excess weight
• 14-inch proprietary aluminum handguard (10 oz) with Sharps Bros exclusive extrusion profile
• AR buffer interface for standard mil-spec compatibility and upgrades
• Lightweight platform at 1 lb 3 oz total chassis weight
• Modern tactical appearance with clean, functional design

Specifications

Chassis Weight	1 lb 3 oz
Material	6061-T6 Aluminum (billet)
Handguard Length	14 inches
Handguard Weight	10 oz
Magwell Type	AR-15 pattern
Buffer Interface	AR pattern
Compatible Rifles	Ruger American Ranch short action (AR magazine fed models)
Compatible Calibers	.223, .300 Blackout, .350 Legend, 6.5 Grendel, .450 Bushmaster
Finish	Anodized Aluminum Black

Frequently Asked Questions

Will the Heatseeker Chassis fit my Ruger American Ranch rifle?

The Heatseeker is engineered for Ruger American Ranch short action rifles that use AR pattern magazines. It fits .223, .300 Blackout, .350 Legend, 6.5 Grendel, and .450 Bushmaster models. Verify your rifle's magwell type and action length before ordering.

What makes this chassis different from a standard factory stock?

The Heatseeker replaces your factory stock with a modern aluminum chassis system that accepts AR-15 magazines, includes a 14-inch handguard, and uses a standard AR buffer interface. It's lighter, more modular, and built for shooters who want tactical ergonomics and upgrade potential on a bolt-action platform.

Is this chassis compatible with standard AR accessories?

The Heatseeker features an AR buffer interface, which means it works with mil-spec AR components. The 14-inch handguard is proprietary to Sharps Bros, but the underlying system supports standard AR upgrades and customization.

How much does the chassis add to my rifle's weight?

The complete Heatseeker system weighs 1 pound 3 ounces, making it a lightweight alternative to many factory stocks and aftermarket chassis options.