ASK AN EXPERTDescription
- Chambered in .22LR for affordable, fun, and accessible shooting
- Ultra-lightweight AR-style pistol for all-day carry and shooting comfort
- Compact size fits in most bags, packs, and vehicle compartments
- Shooter friendly with low recoil and easy handling
- Tamper-resistant safety for enhanced confidence
- Proudly made in the USA
- The Goat-15 ATOM - small in size, big on performance
- Made in USA
Meet the Mountain Billy Gun Lab Goat-15 ATOM .22LR Long Pistol, the ultra-lightweight .22LR AR-style pistol designed for portability, ease of use, and all-day shooting enjoyment. Weighing in at just a fraction of a traditional AR, the ATOM is perfect for new shooters, youth, or anyone who wants a firearm that's easy to handle without sacrificing performance.
Its compact design makes it a true go-anywhere AR pistol. Whether you're heading to the range, packing for a camping trip, or stowing it in your vehicle, the Goat-15 ATOM fits seamlessly into backpacks, range bags, and tight storage compartments. Built for comfort and control, it offers minimal recoil, quick target acquisition, and smooth operation - making it as friendly for beginners as it is fun for seasoned shooters.
Proudly made in the USA, the ATOM combines durability, portability, and safety with our tamper-resistant safety system, so you can shoot with confidence anywhere your adventures take you.
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Warranty Information
- Cartridge: .22 Cal
- Magazine: Ships with 1 rd and 10 rd
- Action: Blow Back, Single Shot, Semi-Automatic
- Twist: 1:16 RH
- Barrel Material: CMV Steel
- Barrel Finish: Black Oxide
- Lower: Polymer
- Upper: Polymer
- Rail: Standard Picatinny Rail With M-Lok
- Sight: Not Included (Red Dot Recommended)
- Safety: Patented Tamper Resistant
- Barrel Length: 7.8"
- Length: 13.9"
- Weight (unloaded): 1 lb 14 ounces
- Weight (with loaded 10rd mag): 2 lbs 2 oz
- Recommended bullet velocity: 1050 to 1350
