Description
The Archangel AA556R-EX gives your Ruger 10/22 the look, feel, and modularity of an M4-style flat-top carbine without touching the internals of the rifle. Your barreled action drops into a rugged shell molded from carbon fiber and glass-reinforced polymer, and from there you get a full run of Picatinny real estate along the top and forend to hang whatever glass, lights, or grips you want. It free-floats standard cut barrels and bull barrels up to .920 in diameter, so lightweight carbines and heavier target setups both find a home here.
What the AA556R-EX Brings to Your 10/22
The six-position collapsible buttstock adjusts length of pull from 10.25 to 14.25 inches, which makes it easy to size for different shooters, layered winter clothing, or growing kids. Four steel quick-detach sling points are molded right in, so you skip the rail adapters and just clip in and go. The finger-grooved pistol grip fills the hand nicely, and there are two lockable storage compartments tucked into the grip and the buttstock for spare parts, tools, or a small cleaning kit.
Rail Space and Extras on the Archangel Conversion Stock
The extended monolithic top rail runs full length for long eye-relief optic placement or backup irons, and the forend sides are slotted for adding more Picatinny sections wherever you need them. ProMag also throws in a polyurethane bolt buffer, an extended paddle-style magazine release for faster reloads, and a polymer muzzle device that lets you mount gas-block height AR-15 front sights on a factory barrel (sights sold separately).
Getting the Archangel AA556R-EX Dialed In
Most folks find the barreled action seats with a little patience, and the fit is snug by design to keep everything feeling solid and rattle-free. A few pointers from experienced owners: take your time on the forend screws, and if your rotary magazine drops a touch tight at first, a little fitting work sorts it out. There are plenty of walkthrough videos online that make the swap straightforward for a home bench.
Key Specifications
- Manufacturer: ProMag Industries
- Model: Archangel 556
- Manufacturer Part Number: AA556R-EX
- UPC: 708279012174
- Fits: Ruger 10/22 rifles and carbines
- Material: Carbon fiber and glass-reinforced polymer
- Color: Black
- Style: Six-position adjustable, AR-15/M4 profile
- Length of Pull: 10.25 in. to 14.25 in.
- Barrel Compatibility: Standard cut and bull barrels up to .920 in. diameter
- Sling Points: Four molded-in steel QD hardpoints
- Rail: Extended monolithic full-length top Picatinny, slotted forend sides, lower forend rail
- Storage: Two lockable compartments
- Weight: Approx. 2.7 lb
What’s Included
- Archangel AA556R-EX conversion stock with extended monolithic rail forend
- Polyurethane bolt buffer
- Extended paddle-style magazine release
- Polymer muzzle device for gas-block height AR-15 front sights
- Mounting hardware
Frequently Asked Questions
Will the Archangel AA556R-EX fit my Ruger 10/22 with a bull barrel?
Yes. This stock is built to fit and free-float standard cut 10/22 barrels as well as bull barrels up to .920 inches in diameter. That covers most factory carbines along with popular heavy target barrels, so whether you are running a light plinker or a bull-barreled range gun, it should drop in.
Is the Archangel conversion stock hard to install?
The install is a straightforward swap of your barreled action into the new shell, though the fit is intentionally snug to keep everything solid and rattle-free. Take your time on the forend screws and expect a little finesse getting the action seated. There are plenty of good walkthrough videos online, and because tolerances vary between rifles, very minor fitting is sometimes needed.
Does the AA556R-EX come with sights or optics?
No, sights and optics are sold separately. The stock includes a polymer muzzle device that lets you mount gas-block height AR-15 front sights on a factory barrel, and the full-length top rail gives you room for a red dot, scope, or backup irons. You get the rail platform and hardware, then set it up however you like.
Will my standard rotary magazine still work in the Archangel stock?
Yes, it is designed to run standard 10/22 magazines. Because of the tight tolerances, some owners find the rotary magazine drops or releases a touch snug at first, which a little fitting work usually resolves. The included extended paddle-style magazine release also makes swaps quicker at the range.







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