Sharps Bros Heatseeker Chassis — Ruger American 450 Bushmaster (Box Magazine) | M-LOK Forend | Aluminum | Black Cerakote | Model SBC06 | UPC 850869008934
Turn your big-bore Ruger into a modern, modular hunting machine. The Sharps Bros. Heatseeker Chassis for Ruger American 450 Bushmaster (box-mag version) replaces the factory stock with a rigid, lightweight aluminum chassis wrapped in a durable Black Cerakote finish. A precision free-float M-LOK® forend gives you the mounting real estate you want for bipods, tripods, slings, lights, and hunting accessories—while the improved bedding surface and chassis rigidity help you unlock consistent accuracy from your 450 BM barrel and action.
Brand: Sharps Bros.
Product: Heatseeker Chassis
Compatibility: Ruger American 450 Bushmaster (models that feed from box magazines)
Material: Aluminum (precision machined)
Finish: Black Cerakote (corrosion & wear resistant)
Forend: M-LOK compatible, free-float
Model/SKU: SBC06
UPC: 850869008934
Why Upgrade to the Heatseeker on a 450 Bushmaster?
Aluminum Chassis Precision
A rigid, machined aluminum backbone offers repeatable torque, improved bedding, and a free-float environment—key for big-bore consistency across temperature swings and heavy hunting loads.
Modern, Modular Forend
The M-LOK forend accepts bipods, sling studs, Arca adapters, lights, QD cups, cable management and more. Add only what you need and keep the rifle trim for field carry.
Free-Float Accuracy Benefits
With the barrel fully free-floated, changing pressures from slings or bipods don’t contact the barrel channel—helping maintain zero and point-of-impact from bench to blind.
Cerakote Protection
The Black Cerakote exterior resists moisture, dirt, and abrasion, ideal for wet fall sits and rough truck racks.
Ergonomic Control
A straighter recoil path, squared forend, and modern grip angle promote stable prone shots and natural shouldering in off-hand or kneeling positions—perfect for fast 450 BM opportunities.
Field-Ready Feature Set
Drop-In Install for Ruger American 450 Bushmaster (box-mag) variants
Free-Float chassis keeps accessories off the barrel for repeatable groups
M-LOK® forend with multiple slots and flats for easy mounting
Black Cerakote finish for weather and wear protection
Robust aluminum construction balances rigidity and carry weight
Hunting-friendly geometry for stability on sticks, bags, or rails
Note: Confirm your rifle is the box-magazine version of the Ruger American 450 Bushmaster before ordering. Some variants (e.g., rotary magazine models) use different bottom metal and are not compatible with this SKU.
Ideal Applications
Whitetail & Hog Hunting: Pair the big-bore punch of 450 Bushmaster with a rigid platform for dependable first-shot hits.
Predator & Brush Country: Shorter barrels and heavy bullets benefit from a free-float chassis when shooting from trucks, blinds, or sticks.
Suppressed & Accessorized Builds: Free-float and M-LOK rails make it easy to build a workhorse rifle with bipods, lights, and sling management.
Installation Overview (Quick Plan)
Verify Clear: Unload and safely remove the bolt.
Disassemble: Remove the factory stock and hardware per Ruger’s manual.
Drop the Action: Place the barreled action into the Heatseeker chassis; ensure recoil lug alignment.
Torque to Spec: Use a quality inch-lb torque wrench—tighten action screws in sequence to manufacturer-recommended specs.
Function Check: Confirm magazine insertion/ejection, bolt travel, safety, and trigger operation.
Zero & Validate: Re-zero and confirm POI stability from multiple supports.
Frequently Asked Questions
Q: Will this fit all Ruger American 450 Bushmaster rifles?
A: It is designed for Ruger American 450 BM models that use a box magazine. If your rifle uses a different magazine system (e.g., rotary), this chassis is not the correct fit.
Q: Do I need special tools?
A: A proper inch-pound torque wrench, Torx/Allen drivers, and blue threadlocker (as desired) are recommended for a quality install and repeatable bedding tension.
Q: Does the chassis accept AR-style grips or stocks?
A: The Heatseeker line uses a modern chassis layout; check your specific Heatseeker variant for grip/buttstock interface details. Many users add M-LOK accessories and keep the rifle streamlined for hunting.
Q: Will it improve accuracy?
A: A chassis doesn’t change barrel quality, but rigidity + free-float + consistent torque often produce more repeatable groups and stable zero—especially with heavy 450 BM loads and accessory use.
Q: Can I still carry it all day?
A: Aluminum offers a strength-to-weight advantage. Many hunters report the Heatseeker carries similarly to quality synthetic stocks while feeling stiffer on bags/sticks.
Key Specs (At a Glance)
Platform: Ruger American 450 Bushmaster (box-mag models)
Construction: Precision-machined aluminum chassis
Forend: M-LOK® compatible, free-float
Finish: Black Cerakote
Model/SKU: SBC06
UPC: 850869008934
Pro Setup Tips
Torque Consistency: Record your final action screw torque values for consistent reassembly after deep cleans.
Rail & Sling Setup: Add M-LOK QD cups and a bipod/Arca rail where you naturally support the rifle.
Zero Confirmation: After installing accessories (bipod, light, sling), reconfirm zero—free-float helps, but weight changes can shift balance and shooter input.
Recoil Management: A good pad and correct length-of-pull make the 450 BM more comfortable during long sight-in sessions.
SEO Highlights (Naturally Woven)
Sharps Bros Heatseeker chassis for Ruger American 450 Bushmaster, box magazine compatible, M-LOK forend, free-float aluminum chassis, Black Cerakote finish, precision bedding, improved rigidity, hunting rifle upgrade, SBC06, UPC 850869008934.
Meta for Your Product Page
Meta Title: Sharps Bros Heatseeker Chassis — Ruger American 450 Bushmaster (Box Mag), M-LOK, Black Cerakote | SBC06
Meta Description: Precision-machined aluminum Heatseeker chassis for Ruger American 450 Bushmaster box-mag models. Free-float M-LOK forend, Black Cerakote finish, modern ergonomics for accuracy and modularity. SKU SBC06 — UPC 850869008934.
Whether you’re punching tags in thick timber or setting up over a cut cornfield, the Sharps Bros Heatseeker Chassis (Ruger American 450 Bushmaster, Box Mag) gives your big-bore bolt gun the rigidity, modularity, and weather-tough finish to perform—season after season.
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