• Black StopBox AR-15 firearm lock installed on rifle for quick-access safety.
  • Red StopBox AR-15 firearm lock installed on rifle for quick-access safety.
  • StopBox shotgun chamber lock installed on pump-action shotgun.
  • StopBox AR-15 Chamber Lock Pro firearm safety device.
  • Person holding red StopBox firearm lock installed on rifle for quick-access safety.
  • Person holding StopBox shotgun chamber lock installed on pump-action shotgun.
  • Close-up of StopBox AR-15 Chamber Lock Pro with person setting the mechanical combination.
  • Red StopBox AR-15 firearm lock installed on rifle for quick-access safety.
  • Chamber lock secured on an AR-15 rifle held by a person in tactical gear.
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CURRENT LEAD TIME

Orders typically ship same or next business day.

30-DAY RISK FREE TRIAL

We offer a 30 Day Money Back Guarantee! If you are not fully satisfied contact us within 30 days of product delivery and we'll issue a full refund upon the return of your order.

STOPBOX CHAMBER LOCK PRO

STOPBOX CHAMBER LOCK PRO

$129.00
$149.00 $129.00
Sale Sold out
Shipping calculated at checkout.
The StopBox Chamber Lock Pro is the mechanical security solution for those who prioritize both speed and safety. Designed for homeowners and professionals alike, it bridges the gap between "staged and ready" and "locked and safe." By securing the firearm’s action directly, the Chamber Lock Pro prevents unauthorized use while ensuring you can bring your weapon into the fight in under a second—all without the failure points of batteries or electronics.
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NO BATTERIES OR ELECTRONICS

ALL MECHANICAL DESIGN

Designed to prevent unintentional access while your firearm is at the ready. Our patented mechanical hand gesture code lock is instinctive to use in the dark and under stress.

COMPATIBILITY NOTICE

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.

MATERIALS

• 6061 T6 Aluminum

• Type II and Type III Hard Anodized

COMBINATIONS

Select from 81 combinations with the included hardware.

MADE IN USA

We proudly make our products here in the USA!

PATENTED LOCK

Patent No. 11,435,154

⚠️ ‎ ‎ CA PROP 65 WARNING

⚠️ WARNING: This product can expose you to chemicals including lead and nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

100% SATISFACTION GUARANTEED

"Try your StopBox RISK FREE for 30 days. If you're not satisfied for any reason, you may return your order for a full refund."

- DYLAN ERVIN, FOUNDER

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