KRG Bravo Package – Short Action, Right-Hand
Introducing the Ruger American Upgrade Kits
We’re proud to introduce the Ruger American Upgrade Kits — carefully selected stocks, accessories, and components that we personally test, run, and trust, then package together to make upgrading your rifle simple and effective.
Rather than piecing together parts and hoping they work well together, these kits are built around proven combinationsthat deliver real performance gains. No guesswork. No filler. Just upgrades that matter.
KIT 1
Overview
Upgrade Kit 1 is built around one of our favorite chassis systems of all time — the Kinetic Research Group (KRG) Bravo.
This drop-in chassis transforms your short-action Ruger American (Gen 1 or Gen 2) into a modular, precision-ready platform capable of accepting AICS-pattern magazines, while maintaining excellent balance and real-world durability.
We’ve been running the Bravo across multiple rifles for years. It strikes the ideal balance between simplicity, adjustability, and ruggedness, whether you’re hunting predators, chasing big game, or building a more capable range rifle.
Kit Components
Each Ruger American Upgrade Kit 1 includes:
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KRG Bravo Chassis
Right-hand, short-action model compatible with Gen 1 and Gen 2 Ruger American rifles -
KRG Full-Length ARCA Rail
Ready for tripods, barricades, and precision accessories -
CMC QD Cup
M-LOK mounted on the forearm for sling attachment -
All Required Hardware
Everything needed for installation is included
Why We Recommend It
At roughly 3 pounds, the KRG Bravo adds rigidity and balance without unnecessary bulk. Features include:
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Adjustable ergonomics
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Integrated bedding system
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AICS-pattern magazine compatibility
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A platform that can evolve from a lightweight hunting rifle to a precision-focused setup
If you own a Ruger American and want a true performance upgrade, this is the single most impactful change you can make.
Installation
The KRG Bravo is a true drop-in chassis.
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Typical install time: under 15 minutes
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Standard hand tools only
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No gunsmithing required
Compatibility & Magazine Notes (Important)
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Fits: Ruger American Short Action, Right-Handed
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Generations: Gen 1 and Gen 2
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Magazine Pattern: AICS-pattern magazines only
ARC Cartridge Disclaimer
While this is an AICS-pattern magazine kit, and we have personally tested .22 ARC and 6mm ARC with excellent results — particularly in Gen 2 Predator models and 20" rifles — ARC compatibility is not guaranteed.
These chassis systems and magazines are fundamentally designed around standard short-action cartridges and bolts. ARC performance may vary depending on rifle configuration, bolt geometry, and magazine choice.
That said, we’ve had great success with .22 ARC and 6mm ARC using MDT 10-round metal AICS magazines in this KRG Bravo chassis. We also offer MDT metal mags and Magpul AICS magazines, both of which we’ve tested extensively.
Supported Calibers (Short Action Examples)
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6.5 Creedmoor
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.308 Win
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.243 Win
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6 Creedmoor
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.22 Creedmoor
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Other standard short-action Ruger American cartridges
Specifications
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Weight: ~3 lbs
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Material: Reinforced polymer with aluminum backbone
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Rail: KRG Full-Length ARCA
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QD Mount: CMC forearm-mounted QD cup
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Finish: FDE (additional colors coming soon)
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Made in the USA
Upgrade Kit 2 –
Upgrade Kit 2 FURTHER IMPROVES KIT 1
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Weibad Cheek Pad for the KRG Bravo
(Shown in Coyote Brown and Black) -
Timney Gen 2 Two-Stage Trigger
A massive upgrade over factory Gen 2 triggers and the first two-stage trigger we tested for the Ruger American platform
More Ruger American upgrade kits are already in testing, including additional stock options, lightweight configurations, triggers, Cerakote options, and accessories.
Care & Storage
Keep all components clean and dry. Periodically clean ARCA rails and mounting points to ensure proper accessory fitment and smooth operation.
Legal Disclaimer
All sales are final.
Know and comply with all local, state, and federal firearm modification laws before installation.
Ally Munitions assumes no responsibility for misuse or improper installation.
Always ensure firearms are unloaded and safe before performing any work.
