A trigger lock can help prevent unauthorized handling, but the right choice depends on your firearm, storage setup, and preferred way to unlock it. Keyed, combination, and biometric models each involve different trade-offs.
These 10 selections include several closely related listings, so compare the exact package and lock design—not just the brand name. A trigger lock is an added safeguard, not a substitute for secure firearm storage.
Best 10 Gun Trigger Locks Picks for 2026
Biometric Pick
ONNAIS Defender SE Fingerprint Trigger Lock
- Fingerprint release specified at 0.5 seconds
- Stores up to 100 fingerprints
- Rubber pads help protect the finish
Best For: Fingerprint access for multiple authorized users
Keyless Combination Pick
Master Lock 94DSPT Trigger Lock
- Set-your-own three-digit code
- Steel-and-zinc body
- Rubber pads protect the finish
Best For: Keyless locking on a compatible firearm
Multi-Firearm Pick
Master Lock 90TRISPT Keyed-Alike Three-Pack
- Three locks share the same keys
- Includes two keys
- Rubber pads help prevent scratches
Best For: Locking three compatible firearms with shared keys
Straight-Guard Pick
RioRand Resettable Combination Trigger Lock
- Resettable three-digit code
- Soft rubber contact pads
- Designed for standard straight guards
Best For: Compatible straight-trigger-guard firearms
Durable Keyed Pick
Master Lock 90DSPT Trigger Lock
- Steel-and-zinc body
- 4-pin tumbler
- Rubber finish-protection pads
Best For: Owners seeking a padded, keyed trigger lock
Keyed-Alike Pick
RioRand Adjustable Trigger Lock
- Keyed-alike design
- Adjustable ratchet fit
- Rubber contact pads
Best For: Owners managing multiple keyed-alike locks
Key-Free Combination Pick
- Resettable three-digit code
- Rubber finish-protection pads
- Fits most straight trigger guards
Best For: Owners who want a key-free trigger lock
Best with Extra Features
RioRand Adjustable Trigger Lock 3-Pack
- Three keyed-alike locks
- Adjustable ratchet fit
- Rubber finish-protection pads
Best For: Multiple-firearm owners who prefer keys
Wider-Fit Combination Pick
RioRand Upgraded 3-Digit Trigger Lock
- Resettable three-digit code
- Expanded cavity and ratchet spacing
- Rubber-padded contact surfaces
Best For: Key-free locking across standard trigger guards
Standard-Guard Pick
RioRand 3-Digit Combination Trigger Lock
- Resettable three-digit code
- Fits most standard straight guards
- Soft rubber contact pads
Best For: Key-free locking on standard straight trigger guards
Biometric Pick – ONNAIS Defender SE Fingerprint Trigger Lock
Among gun trigger locks, the ONNAIS Defender SE is a fingerprint-operated option for buyers who prefer access without a key or combination. Its scanner is specified to recognize fingerprints from any angle and release the lock in 0.5 seconds.
Best For: Owners who want fingerprint access and need to manage multiple authorized users.
Pros:
- Stores up to 100 fingerprints, with the ability to add or remove users.
- Rubber pads help protect the firearm’s finish.
- Compact design is intended to fit many modern pistols, rifles, and shotguns.
Cons:
- Fit depends on the firearm; check the installed lock rather than assuming compatibility.
- The manufacturer cautions against overtightening because it may scratch the firearm.
This is the most feature-focused choice here if fingerprint access matters to you. Test the fit on your specific firearm, and follow the manufacturer’s warning not to install it on a loaded gun.
Keyless Combination Pick – Master Lock 94DSPT Trigger Lock
The Master Lock 94DSPT is a straightforward choice among gun trigger locks if you want to set your own three-digit code instead of keeping track of a key. Its steel-and-zinc body and rubber cushion pads pair a durable build with finish protection.
Best For: Buyers who prefer a resettable, keyless trigger lock for a compatible firearm.
Pros:
- Set-your-own three-digit combination eliminates the need for a key.
- Steel-and-zinc construction with a four-pin tumbler.
- Rubber pads help prevent marring and scratches.
Cons:
- Does not fit or effectively lock every handgun, rifle, or shotgun.
- Package includes one lock, so multiple firearms require additional locks.
Choose this model for simple keyless operation, but verify that it seats securely on your firearm’s trigger guard; the manufacturer explicitly does not guarantee universal fit.
Multi-Firearm Pick – Master Lock 90TRISPT Keyed-Alike Three-Pack
For owners comparing gun trigger locks for several firearms, the Master Lock 90TRISPT package offers three keyed-alike locks. The two included keys each open all three, reducing the number of different keys you need to manage.
Best For: Owners who need three trigger locks that work with the same keys.
Pros:
- Includes three locks and two keys that open every lock in the pack.
- Steel-and-zinc bodies feature four-pin tumblers.
- Rubber cushion pads help protect firearm finishes.
Cons:
- Fits many firearms, but not every handgun, rifle, or shotgun.
- Comes with two keys for three locks, so a misplaced key affects access to the entire set.
The keyed-alike setup is the main reason to buy this pack. Check each firearm individually for an effective fit before relying on the locks.
Straight-Guard Pick – RioRand Resettable Combination Trigger Lock
The RioRand is a three-digit option among gun trigger locks, designed for standard straight trigger guards. It arrives preset to 0-0-0, and the included screwdriver lets you change the combination after you test the lock without a firearm installed.
Best For: Owners of compatible straight-trigger-guard firearms who want a resettable code.
Pros:
- Three-digit combination can be reset using the included screwdriver.
- Soft inner rubber pads help guard against finish scratches.
- Designed for standard straight trigger guards on a range of firearm types.
Cons:
- Not intended for extra-wide guards, oversized triggers, or curved or oval specialty guards.
- Manufacturer describes it as an auxiliary measure, not a substitute for a firearm safe.
This lock makes the most sense when your firearm matches its stated guard shape. Test its operation before installation, and never put it on a loaded firearm.
Durable Keyed Pick – Master Lock 90DSPT Trigger Lock
Among keyed gun trigger locks, the Master Lock 90DSPT stands out for its steel-and-zinc body and 4-pin tumbler. It fits many handguns, rifles, and shotguns, though fit is not universal.
Best For: Owners who want a keyed lock with finish-protecting pads.
Pros:
- Steel-and-zinc body with a 4-pin tumbler designed for pick resistance.
- Blue rubber cushion pads help protect the firearm’s finish.
- Includes two keys and a limited lifetime warranty.
Cons:
- Does not fit every firearm; check trigger-guard compatibility.
- Requires a key to unlock.
This is a practical choice if you prefer a keyed mechanism and want padding where the lock contacts the firearm. Confirm the fit before relying on it for storage.
Keyed-Alike Pick – RioRand Adjustable Trigger Lock
The RioRand adjustable model is worth considering among gun trigger locks if you prefer keys over memorizing a combination. Its keyed-alike design is intended to let you operate multiple compatible locks with the same key, while the ratchet adjusts to fit most standard trigger guards.
Best For: Owners using multiple keyed-alike locks who want straightforward key access.
Pros:
- Keyed-alike design can simplify managing multiple locks.
- Adjustable ratchet accommodates most standard trigger guards.
- Rubber contact pads help prevent finish scratches.
Cons:
- Fit is described for most standard firearms, not every trigger guard.
- Keyed operation means you must keep a key available.
The adjustable fit and padded contact points make this a convenient keyed option. Check the fit on each firearm, especially if you plan to use several locks.
Key-Free Combination Pick – RioRand 3-Digit Trigger Lock
For shoppers comparing key-free gun trigger locks, this RioRand model offers a resettable three-digit combination and rubber pads to help protect the firearm’s finish. It is designed for most standard straight trigger guards, rather than every guard shape.
Best For: Owners who prefer a resettable combination to carrying a key.
Pros:
- Three-digit code can be reset with the included screwdriver.
- Rubber pads help guard against scratches and scuffs.
- Internal zinc-alloy mechanical parts and dials designed for smooth adjustment.
Cons:
- Not suitable for extra-wide guards, oversized triggers, or certain curved or oval guards.
- Requires remembering your chosen combination.
Test the factory-set 0-0-0 code before installation and check the guard fit. Use it only on an unloaded firearm; the manufacturer describes it as an auxiliary measure, not a replacement for a firearm safe.
Best with Extra Features – RioRand Adjustable Trigger Lock 3-Pack
If you prefer keys to remembering combinations, this three-pack is a practical option among gun trigger locks. Its keyed-alike design lets you use the same key across the locks, while the adjustable ratchet helps fit standard trigger guards.
Best For: Owners securing multiple firearms who want one-key operation.
Pros:
- Keyed-alike locks simplify managing several firearms.
- Adjustable ratchet accommodates most standard trigger guards.
- Rubber contact pads help protect firearm finishes.
Cons:
- Requires access to a key; it cannot be opened with a combination.
- Fit should be checked on each firearm before relying on the lock.
The key advantage is convenience across a collection. Check the fit on each unloaded firearm and use the locks alongside secure storage, not in place of it.
Wider-Fit Combination Pick – RioRand Upgraded 3-Digit Trigger Lock
This upgraded RioRand model is worth considering if you want key-free gun trigger locks with more room for standard trigger guards. Its expanded internal cavity and wider ratchet spacing aim to improve fit, while the three-digit combination can be reset with the included screwdriver.
Best For: Buyers who prefer a resettable combination and need to check fit across common firearm types.
Pros:
- No key to keep track of; the three-digit code is resettable.
- Expanded cavity and wider ratchet spacing improve compatibility with standard guards.
- Rubber pads help prevent scratches at contact points.
Cons:
- Typically unsuitable for extra-wide or unusual guard shapes, firearms without full trigger guards, and lever-action rifles.
- Requires remembering the chosen combination.
Test the factory-set 0-0-0 lock before installation, then confirm it fits your unloaded firearm. It is an auxiliary safety measure, not a replacement for a firearm safe.
Standard-Guard Pick – RioRand 3-Digit Combination Trigger Lock
For straightforward, key-free gun trigger locks, this RioRand model offers a resettable three-digit dial and padded contact surfaces. It is designed for most standard straight trigger guards on common handguns, rifles, and pump-action shotguns.
Best For: Owners with standard straight trigger guards who want a resettable code instead of a key.
Pros:
- Resettable three-digit combination avoids carrying a key.
- Soft rubber pads help protect the firearm finish.
- Internal zinc-alloy mechanical parts and anti-jam dials are designed for smooth operation.
Cons:
- Not suitable for extra-wide guards, oversized triggers, or curved or oval guard shapes.
- Requires keeping track of the combination.
Its appeal is a simple combination setup for conventional guard shapes. Test it at the factory-set 0-0-0 before use, confirm fit on an unloaded firearm, and pair it with secure storage.
How We Picked These Gun Trigger Locks
We organized the selected listings around practical buying differences: unlocking method, stated firearm compatibility, adjustable fit, protective padding, and whether a package includes multiple locks or shared keys. Several RioRand listings have identical or very similar names. Treat those as separate offers only after checking the seller’s current specifications, included accessories, and package quantity; a repeated name does not necessarily mean a distinct lock design.
We did not treat a stated compatibility claim as proof of fit or a lock as a substitute for a safe. Before buying, check your firearm manufacturer’s guidance and the lock maker’s fit instructions.
Quick Comparison: Which Lock Style Fits Your Routine?
Keyed locks, including the Master Lock 90DSPT and RioRand keyed-alike options, avoid memorized codes but require careful key control. The Master Lock 90TRISPT three-pack is worth considering when you need several locks that use the same key.
Combination locks, such as the Master Lock 94DSPT and listed RioRand three-digit models, eliminate a separate key. Confirm that you can set, remember, and discreetly manage the code.
Biometric locks, represented here by the ONNAIS Defender SE, offer fingerprint-based unlocking. Check its power requirements, backup-entry method, and operating instructions before relying on it.
Key Buying Factors for Gun Trigger Locks
Fit and Safe Installation
Trigger guards vary by firearm. Verify that the lock closes correctly without pressing the trigger or interfering with controls. Follow the manufacturer’s instructions, and never install or remove a lock on a loaded firearm. If you cannot confirm a safe fit, choose another locking method.
Access Method and Key Control
Choose an unlocking method you can manage consistently. Store spare keys where unauthorized users cannot reach them; do not leave a code written beside the firearm. For electronic models, understand battery replacement and backup access before purchase.
Finish Protection and Package Value
Padding may help reduce contact with a firearm’s finish, but it does not correct a poor fit. Compare the number of locks and keys supplied, especially across similarly named listings. If you are securing multiple firearms, keyed-alike packs can simplify key management, though a lost shared key can affect every matching lock.
Who Should Buy Which Gun Trigger Locks?
Choose a keyed single lock if you want a straightforward option and have a secure place for its key. Consider a keyed-alike pack for several compatible firearms. Pick a combination lock if avoiding keys matters more than entering a code. Consider biometric access only if you are comfortable maintaining its power source and backup access.
Whichever style you choose, use trigger locks as one layer of protection. Store firearms unloaded and secured according to applicable law and the firearm manufacturer’s guidance, with ammunition stored securely as appropriate. A properly selected safe or lockbox provides stronger protection against unauthorized access and theft.