Description
The magazine latch plunger is one of those small parts you never think about until a mag starts rattling around or hanging up on the drop. KIDD's replacement swaps the factory piece for a hardened stainless steel unit with reworked geometry, and it makes a real difference in how your Ruger 10/22 handles magazines. Owners running BX-25 and other aftermarket mags tend to notice the biggest improvement, since the tighter hold cuts down on slop and helps eliminate feeding hiccups.
What the KIDD Latch Plunger Actually Does
The upgraded plunger profile grips the magazine more securely while still letting it release easily when you want it gone. That combination is the whole point here. A mag that sits solid feeds more consistently, and folks running binary triggers or high-round-count sessions have reported fewer misfeeds after the swap. The kit ships with a standard-tension spring, and KIDD also offers a stiffer 25 percent higher tension version separately if you want even more resistance on the latch.
Installing the 10/22 Plunger and Spring
This is a straightforward bench job, no gunsmith required. You push out the magazine lever pin, pull the lever down while pressing in on the plunger, and once the lever clears, the plunger slides right out of the trigger guard. Slip the new plunger into the spring, drop it back in, hold it slightly depressed while you reseat the lever into the plunger's cutout, then push the pin back in. Cycle the lever a few times to confirm the plunger retracts the way it should and you're done.
Built to Outlast the Factory Part
KIDD's reputation with 10/22 owners comes from tight machining and finish quality, and this piece fits that mold. The stainless construction resists wear better than the original, and it fits the standard Ruger 10/22 platform along with Brownells BRN-22 receivers. For a small part that quietly improves reliability, it's an easy one to check off the upgrade list.
Key Specifications
- Manufacturer: Kidd Innovative Design
- Manufacturer Part Number: KIDD-TG1-22PL-KIT
- UPC: 810132050022
- Material: Hardened stainless steel
- Finish: Silver / stainless
- Spring Tension: Standard (included)
- Caliber: .22 LR
- Fits: Ruger 10/22, Brownells BRN-22
- Replaces Factory Parts: B-36 and B-37
- Quantity: 1 kit
What’s Included
- KIDD stainless steel magazine latch plunger
- Standard tension spring
Frequently Asked Questions
Will the KIDD magazine latch plunger fit my Ruger 10/22?
Yes, it's a direct replacement for the standard Ruger 10/22 platform and also fits Brownells BRN-22 receivers. It swaps in for the factory magazine latch plunger and spring, referenced as parts B-36 and B-37 in the Ruger schematic. No modifications are needed.
Does this help with loose BX-25 magazines?
That's one of the most common reasons owners buy it. The reworked geometry holds the magazine tighter, which reduces wobble with BX-25 and other aftermarket mags. Several owners running binary triggers have noted fewer misfeeds after installing it.
Is it hard to install the plunger and spring?
Not at all. You push out the magazine lever pin, drop the lever while pressing in on the plunger, and it slides out of the trigger guard. Reassembly is the reverse, and the whole job takes just a few minutes at the bench with basic tools.
Does the kit come with the stiffer spring?
This kit includes the standard tension spring. KIDD also sells a higher tension spring separately, rated at about 25 percent more resistance, if you prefer a firmer latch feel. Both work with this plunger.




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