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The KNS Precision Enhanced .250 Push Button Pivot Pin is one of those small upgrades that makes you wonder why you didn't do it sooner. If you've ever fought a stock pivot pin, lost a detent spring across the workbench, or launched a tiny part into the carpet abyss, this is the fix. It drops in as a direct replacement for the factory front pivot pin (or the rear takedown pin) on standard small-hole AR-15 and M16 lowers, and it turns fieldstripping into a simple push-and-pull.
Instead of relying on a spring-loaded ball to hold the pin in place, this design uses stainless steel keeper pins that retract when you press the button on the end. That means no more dragging a detent across the pin hole every time you open the rifle up, which is exactly the kind of repeated friction that wallows out receiver holes over years of use. It's a cleaner, more consistent system that treats your lower a little kinder.
The pin is machined from steel and wears a durable black nitride finish that shrugs off wear and holds up to solvents and range grime. The button also has a drilled cross hole, so you can run a seal wire through it if you want a tamper-evident setup on the rifle's internals. It's a nice touch for armorers, agencies, or anyone who wants to know their gun hasn't been opened.
The Enhanced version adds an end cap that makes removal and installation smoother while keeping dirt and debris out of the internal parts. That's a real perk for folks who run their rifles hard in dusty conditions or break them down often for cleaning. Made in Fredericksburg, Texas, it's a well-built little part that earns its keep every time you strip your AR without reaching for a punch.
It's designed for standard small-hole AR-15 and M16 lower receivers using a .250 inch pin. If your lower takes a factory-spec front pivot pin, this drops right in as a direct replacement. Note that it will not fit large-hole receivers like older Colt SP1-style lowers.
Yes. The .250 diameter matches both the front pivot and rear takedown pin locations on a standard AR-15, so you can use it for either. Many folks buy a pair to convert both pins to the push-button system.
The button retracts stainless steel keeper pins instead of dragging a spring-loaded ball across the hole, so takedown is tool-free and easier on your fingers. Over time this reduces wear that can widen the pin holes and cause retention problems. It also means no more launched detent springs during install.
The button has a drilled cross hole that lets you run a seal wire through it. That creates a tamper-evident setup so you can tell if someone has opened the rifle and accessed the internals, which armorers and agencies find handy.
| UPC | 851876003349 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | PBPIVOT250-EN |
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