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The Sharps Bros SBC06 Heatseeker is a full chassis system built to replace the factory stock on a box magazine-fed Ruger American chambered in 450 Bushmaster. It's machined from a solid billet of high-strength 6061-T6 aluminum, so you get a rigid, precise foundation without hauling around dead weight. The chassis body tips the scale at 1 pound 3 ounces, and the included 14-inch handguard adds another 10 ounces. Both pieces wear a matte black Cerakote finish that shrugs off scratches, sweat, and weather out in the field.
The real appeal here is how it opens up your build to the AR parts you already know. The chassis uses a standard AR-15 grip interface, so you can bolt on whatever pistol grip feels right in your hand. It also has a built-in AR buffer interface, which means you thread in a receiver extension and run your favorite AR-15 style stock, fixed or collapsible. That flexibility is a big part of why folks reach for this over a fixed replacement stock.
That 14-inch handguard is cut from an extrusion shape exclusive to Sharps Bros, and it carries M-LOK slots on all four sides. There's plenty of real estate for a bipod, weapon light, night vision, or an ARCA rail for tripod work. For carry, you get two quick disconnect fittings per side, giving you a clean way to run a QD sling however you like to mount it.
The swap is designed to be done at home with no gunsmith required, and the fit and finish on these chassis is genuinely top-shelf for the price point. Keep in mind this is the chassis and handguard only, so you'll want to have your grip, buffer tube, castle nut, and buttstock ready to complete the build. It's a straightforward upgrade that completely changes how your Ruger American looks and handles.
No, the SBC06 includes the chassis body and 14-inch handguard only. It uses a standard AR-15 grip interface and an AR buffer tube interface, so you supply your own pistol grip, receiver extension, castle nut, and AR-15 style buttstock. Many builders run a lightweight minimalist stock to keep the whole rig trim.
This specific model fits the box magazine-fed Ruger American chambered in 450 Bushmaster. It's designed to use the factory detachable box magazine, so double-check your rifle's magazine setup before ordering. Sharps Bros offers separate Heatseeker versions for other Ruger American configurations, so make sure the SBC06 matches yours.
No, the Heatseeker is built to be a home installation with included instructions and hardware. Dropping the barreled action into the chassis is straightforward, and the AR-style interfaces make finishing the build simple if you've handled AR parts before. Basic tools and a little patience are all it takes.
The handguard has M-LOK slots on all four sides, giving you room for a bipod, weapon light, night vision setup, or an ARCA rail for tripod shooting. You also get two quick disconnect fittings per side for a QD sling. There's plenty of space to run several accessories at once.
| UPC | 850869008934 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SBC06 |
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