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StopBox Chamber Lock Pro – Mechanical Chamber Lock for AR‑15 & Shotgun
 
The StopBox Chamber Lock Pro is a cutting-edge firearm safety tool designed to prevent unintentional firing while keeping your weapon quickly accessible. This fully mechanical solution requires no batteries or electronics, making it reliable in any situation.
 
Why Choose Chamber Lock Pro?
The Chamber Lock Pro prevents unauthorized chambering of a round while allowing fast tactical readiness. With no reliance on electronics, it works every time — even in extreme or low-light conditions.
 
It’s ideal for responsible firearm owners who want peace of mind around children, guests, or household members while keeping a long gun accessible when needed. This is a safety accessory, not a replacement for a full gun safe, but an effective chamber block for non-use and quick deployment.
 
The StopBox Chamber Lock Pro is the ultimate mechanical firearm chamber lock, engineered for reliability, speed, and peace of mind. Perfect for AR‑15 rifles and 12‑gauge shotguns, it provides secure chamber blocking without sacrificing accessibility — no electronics, no compromise, made in the USA.

StopBox Chamber Lock Pro AR‑15 and Shotgun Chamber Lock

$149.00Price
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  • Order directyl from StopBox to your front door with a special 5% discount!

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    • All‑Mechanical Design
    • Operates with a patented hand gesture code lock, allowing intuitive, silent use—even in the dark or under stress.
    • Compatibility Options
      • AR‑15 Model: Fits most standard mil‑spec AR‑15 uppers (not compatible with Ruger AR‑556, Radian A‑DAC, Juggernaut billet uppers, or select PSA uppers).
      • Shotgun Model: Designed for most 12‑gauge pump‑action shotguns, including Mossberg 590 and Remington 870.
    • Premium Build Materials
    • Crafted from aircraft-grade 6061‑T6 aluminum with Type II and III hard anodizing for maximum durability and corrosion resistance.
    • Adjustable Combinations
    • Comes with 6 preset codes, expandable to 81 unique combinations when paired with the Actuator Accessory Pack.
    • Made in the USA
    • Engineered and manufactured in Spokane, Washington, ensuring top-quality American craftsmanship.
    • Patented Security Design
    • Protected under U.S. Patent No. 11,435,154 for innovative firearm safety.
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