AR-15 Bolt Catch
The United Defense AR-15 Bolt Catch is a mil-spec replacement bolt catch for standard AR-15 and M16 lower receivers. Machined from hardened steel and finished in black phosphate, it provides reliable last-round hold-open and a positive manual bolt release. Serrated paddles give a firm thumb purchase during reloads, malfunction clearance, and chamber checks. This is a direct drop-in part that requires no fitting, making it a solid choice for builders completing a stripped lower or shooters replacing a worn factory bolt catch.
In stock
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- SKU
- N8448628
$7.95
Description
Features
- Mil-Spec Dimensions — Built to standard AR-15 / M16 specifications for a true drop-in fit on any mil-spec lower receiver.
- Last-Round Hold-Open — Locks the bolt to the rear on an empty magazine so you know instantly when it's time to reload.
- Manual Bolt Release — Serrated upper paddle lets you slingshot or thumb the bolt forward on a fresh mag with positive tactile feedback.
- Hardened Steel Construction — Heat-treated steel body stands up to repeated bolt impacts and years of hard use without peening or deformation.
- Black Phosphate Finish — Parkerized coating resists corrosion and matches the factory finish on standard mil-spec lower parts.
- Textured Engagement Surfaces — Aggressive serrations on both the upper and lower paddles give a sure thumb purchase, even with gloves on.
- Drop-In Replacement — Direct swap for the OEM bolt catch in a standard AR-15 lower; no fitting or modification required.
- Builder-Friendly Component — Essential piece for completing a stripped lower or replacing a worn factory catch on an existing rifle.
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Customer Reviews
Top customer reviews
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Great ReplacementIf you've ever done much work on your AR-15, you know that you will eventually need spare parts. The bolt catch is a small and rather fragile piece. If you're really rough with your AR (perhaps dragging it through a gravel lot to prove the durability of the handguard), you might end up damaging the bolt catch. So if you're as abusive to your weapons as I am, you should probably have one of these on hand, just in case.
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lower refreshment partMy lower needed a good tune up and this part was really beaten up. of course KS had the right part for the right price.
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