Product Description
Product Description
Keep your long gun secured without sacrificing quick access with the all-mechanical Chamber Lock Pro from StopBox USA — an innovative chamber lock engineered for safety, speed, and simplicity.
Designed for shooters who want secure storage while their firearm remains ready, this patented mechanical chamber lock prevents unintentional access yet allows you to access your gun instantly when it matters most. The intuitive hand-gesture code lock lets you unlock your firearm instinctively — even in low light or high-stress situations — without the delays of keys, electronics, or complicated systems.
Built for durability and precision:
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Premium 6061-T6 aluminum construction with Type II/III hard anodized finish — tough, corrosion-resistant, and built to last.
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Choose from up to 81 unique combination settings for personalized security.
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All-mechanical, battery-free design — always ready without electronics.
Whether you’re securing an AR-15 upper or most 12 ga pump shotguns, this chamber lock provides a smart barrier against unintended users while keeping your firearm accessible to you in an instant. Ideal for home defense setups, workbenches, and storage solutions where both safety and readiness matter.
Made in the USA and backed by StopBox’s commitment to quality craftsmanship and user-focused design.
Compatibility
Compatible with Mil-spec AR-15 Uppers.
May have compatibility issues with some PSA Uppers.
NOT COMPATIBLE WITH:
- Ruger AR-556
- Radian A-DAC
- Upper Receiver
- Juggernaut Tactical AR-15 Billet Upper
The Shotgun Chamber Lock is compatible with common pump 12 gauge shotguns such as the Mossberg 590 and Remington 870.
