Original Chassis/Stock System for Ruger® 10/22-style Firearms


A SUPER-STABLE and VERSATILE stock system for your Ruger® 10/22.

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The Original Chassis takes AR-style handguards, grips, and stocks. I will also have my own carbon fiber stocks available for it soon. If you want my new Comp Chassis, click here: Comp Chassis Page. This chassis only fits standard Ruger® 10/22 receivers – most aftermarket receivers like Volquartsen won’t fit. However, most aftermarket triggers will work. I have special Volquartsen trigger grip inserts – please let me know when you order.

CURRENTLY AVAILABLE: Original Chassis (as shown in videos), Original Lite (with side cuts). The only color right now is black but I’ll have gunmetal grey soon.

A very slim, lightweight, versatile, and SUPER-STABLE precision chassis for your Ruger® 10/22. A patented design (US Pat #10012460) that allows ALL AR-compatible free-float handguards to securely attach with proper rail alignment and no gaps. The lower chassis features standard attachment points for AR buffer tubes/stocks/arm braces and grips (beaver-tail grips need to be trimmed). A Nylon-12 grip spacer is included that provides a smooth transition from the AR grip to the Ruger® 10/22 trigger guard.

Includes a precision adjustment screw at the base of the receiver that pins down the back of the receiver for a custom, super-tight fit with any standard Ruger® 10/22 receiver – no tangs, inserts, or bedding needed! And no modification of the receiver necessary! This is a “set and forget” feature – adjust it during the initial assembly procedure and then install the buffer tube. The firearm will still disassemble/assemble with the single Ruger® 10/22 factory takedown screw.

The upper and lower chassis is each CNC-machined from a single billet of “military-grade” 6061-T6 hardened aluminum alloy and then finished with a mil-spec anodized hardcoat- VERY tough and the entire assembly weighs ONLY 15.2 ounces! Precision machining, receiver adjustment screw custom fit, and free-floating barrel design maximize accuracy.

Accepts all Ruger® 10/22 barrel profiles including 0.920-inch “bull” barrels. Single-screw takedown for easy cleaning and service. Optics, sights, lasers, etc. mounted on the receiver rail or hand guard are unaffected. Drop-in installation – no modification of your Ruger® 10/22 is required (dovetailed rear sight on original-style barrel needs to be removed). Price includes upper chassis, lower chassis, adjustment screw, top receiver (scope mount) screws, grip screw (w/ washer), take-down screw (w/ washer and nylon retainer), buffer tube/stock set screw, grip spacer, and instructions (Ruger® 10/22 firearm, stock, grip, and handguard not included).

Additional information


Original, Original Lite


Black, Gunmetal Grey


Crazy Ivan discusses AND SHOOTS a basic precision rifle build.

Crazy Ivan reviews features of 10/22 Chassis System

Downloads & Resources

In my video I discuss only needing one take for the target shooting – the reason was that I wanted to demonstrate the basic Ruger® 10/22 in my Crazy Ivan Stock System has performance AT LEAST equal to the new Ruger® Precision Rimfire Rifle. I easily shot a better average and best group, so I quit! I neglected to mention that!  See the entire Guns and Ammo review of the Ruger® Precision Rimfire Rifle at gunsandammo.com:


Crazy Ivan 10/22 Chassis Instructions
Click this link for .pdf:
1022-2-AR Instructions new121818


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