LBE Unlimited AR Parts Bolt Catch Plunger 20 Pack – AR-15 Black Steel (SKU ARBCPL20PK / UPC 706612407526)
Take your AR-15 builds or maintenance to the next level with this premium bulk 20-pack of bolt catch plungers from LBE Unlimited. Designed for serious shooters, gunsmiths, and builders, the ARBCPL20PK offers dependable performance, value, and versatility in one smart package.
Why This Bolt Catch Plunger Set Matters
When it comes to the operation of your AR-15 platform, small components often make a big difference. The bolt catch plunger is a critical part of the lower receiver assembly — interacting with the bolt catch lever, detent spring, and magazine catch assembly to ensure proper locking, release, and cycling. A high-quality plunger helps guarantee reliable bolt catch performance, smoother operation, and fewer malfunctions. With the ARBCPL20PK, you’re getting 20 identical parts, so whether you’re building multiple rifles, stocking up for repeated use, or simply want spares on hand, you’re covered.
Premium Construction & Materials
Machined from 1117 steel — a robust, high-integrity alloy selected for strength and durability. LBE Unlimited+2KYGUNCO+2
Finished in matte black steel to match most standard lower-parts kits and maintain consistent aesthetics. Cheaper Than Dirt+1
Made in the USA — built with pride and precision to meet the demands of modern shooters. LBE Unlimited+1
Pack quantity: 20 plungers in one package — delivering impressive value and ready stock for multiple builds or replacements. BOSQUE Outdoors+1
Ideal Use Cases
Custom builds & multi-rifle setups – If you’re assembling several AR-15 lowers or doing a batch build, the 20-pack gives you uniform parts across your builds.
Replacement and maintenance – Over time, plungers can wear, deform, or fail; having spares means fast, low-cost fixes without downtime.
Gunsmithing & shop environments – Stocking bulk parts helps streamline services, reduces delays, and keeps builds moving.
Budget-conscious upgrades – Premium parts at scale mean better quality for your money instead of single-unit premiums.
Design & Performance Highlights
The use of 1117 steel ensures that the plunger resists bending, chipping, and fatigue under repeated cycling and field use.
The black steel finish blends seamlessly into standard lower-receiver internals, avoiding mismatched visuals or inconsistent wear.
Because it is engineered specifically for the AR-15 platform, compatibility and fit are optimized — minimal fitting required for properly assembled lowers.
With 20 pieces in the pack, you eliminate the need to “buy one and hope for spares” — you’re ready for builds, spare replacements, or future upgrades.
Build & Installation Tips
Prior to installation, ensure the lower receiver is free of burrs or debris around the bolt catch pocket — clean lubrication helps the plunger seat properly.
Use a proper roll-pin punch to drive in the bolt catch pin after installing the plunger and spring — avoid hammering on the plunger itself.
If reusing springs or other bolt catch hardware, inspect for wear or deformation — pairing the plunger with fresh springs ensures consistent performance.
Keep the extra plungers organized — mark or store them in a labeled parts tray so you know which build or service they belong to.
Why Choose LBE Unlimited’s ARBCPL20PK
Trusted manufacturing: LBE Unlimited specializes in AR-platform parts. When reliability is non-negotiable, trust the brand.
Bulk value: The 20-pack format offers a cost-efficient way to upgrade or stock up without sacrificing quality.
American-made assurance: Domestic manufacturing helps maintain consistent standards and availability.
Peace of mind: With quality materials and precise manufacturing, you’re minimizing failure points and maximizing build integrity.
Product Specs At A Glance
Final Thoughts
Whether you’re a seasoned builder, a gunsmith servicing multiple rifles, or simply someone who wants to be prepared with spares, the LBE Unlimited ARBCPL20PK Bolt Catch Plunger 20-Pack checks all the boxes. Premium material, trusted brand, bulk value — it keeps your AR-15 platform functioning reliably and ready for whatever the range or field throws at it.
Don’t overlook the importance of seemingly small components. A quality plunger ensures smooth bolt catch operation, fewer hiccups during cycling, and overall better rifle performance. With this pack of 20, you’re not just buying replacement parts — you’re investing in build reliability, maintenance efficiency, and peace of mind.
Upgrade smart: choose LBE Unlimited’s solution and keep your AR-15 builds locked in and built to last.
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