Restore reliability, maintain proper fit, and keep your firearm functioning the way it was designed with the Locking Block Pin (Part #100002731)—a small but critical component that helps support correct alignment and secure assembly within the handgun’s operating system. Whether you’re performing routine maintenance, replacing a worn or damaged pin, or completing a build with factory-correct parts, the LOCKING BLOCK PIN 100002731 is the kind of essential hardware that serious owners and armorers keep on hand.
If you’re searching for a locking block pin replacement, a factory-spec firearm pin, or part number 100002731, this component is designed to help you get back to dependable performance with a correct-fit solution.
Why a Locking Block Pin Matters
In many modern semi-automatic handgun designs, the locking block area plays an important role in the pistol’s structural integrity and cycling dynamics. The locking block pin helps secure key internal components in place, ensuring the system stays properly aligned under recoil and repeated firing cycles. While it may look like a simple piece of hardware, the right pin helps maintain:
Correct component alignment during operation
Secure retention of the locking block assembly
Consistent cycling and function over time
Proper frame-to-internal fit, reducing unwanted movement or wear
When pins become bent, worn, or damaged, it can lead to fitment issues and unreliable operation. Replacing a suspect pin with the correct part number is a smart, low-cost step toward keeping your firearm running smoothly.
Ideal for Maintenance, Repairs, and Parts Replacement
The Locking Block Pin 100002731 is commonly purchased for preventative maintenance or replacement during inspections. It’s especially useful for:
Routine service intervals and parts checks
Replacing a pin that shows visible wear or deformation
Repairing a firearm after heavy use
Completing a detail strip and reassembly with correct parts
Keeping a spare in your range bag or armorer kit
If you run your handgun frequently—training, competition, or duty-style practice—small parts can see a lot of stress over time. Having the correct replacement pin helps reduce downtime and ensures your pistol remains within proper spec.
Correct Part Number for Easy Compatibility Matching
When ordering internal parts, matching the correct part number is essential. This listing is for:
Searching by part number helps you avoid ordering pins that look similar but differ in length, diameter, or application. If your manual, schematic, or parts list calls for 100002731, this is the replacement you want.
Built for Secure Fit and Dependable Function
A locking block pin must seat correctly and hold under repeated recoil impulses. Using the proper-spec pin helps ensure your handgun’s internal components stay secure without excess play. This supports smoother cycling, consistent lockup, and long-term durability—especially in high-round-count use.
Why Choose the LOCKING BLOCK PIN 100002731?
If you’re maintaining your firearm the right way, it’s the small parts that often make the biggest difference. The LOCKING BLOCK PIN 100002731 is a critical component for correct assembly and consistent operation—ideal for repairs, preventative maintenance, or keeping a ready spare on hand. When you need a correct-fit locking block pin by part number, this is the dependable solution to keep your handgun running with confidence.
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