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A standard AR cam pin has a square steel head that drags along the inside of your aluminum upper every time the action cycles. Over enough rounds that grinding leaves a visible gouge and slowly chews up the receiver. Patriot Ordnance Factory tackled that problem with a roller design. Instead of sliding, the roller actually spins as the bolt carrier moves back and forth, so you get a rolling contact point rather than metal scraping metal. It's a small part that makes a real difference in how smooth your rifle feels and how long your upper holds up.
This is the 308 version, machined to fit the POF P308 (7.62 Model) bolt assembly and 308 Win / 7.62x51mm builds. The roller is NP3 coated and the pin body is hard chrome plated, a combo that gives you serious lubricity and lets the part run with minimal lube. Folks running these in P308s and AR-10 platforms consistently note smoother cycling, easier cleanup, and noticeably less wear on the top of the receiver. The benefit shows up most in piston-driven guns, where the cam pin tends to smack the inside of the receiver harder during the cycle.
Drop-in simple on a piston BCG. If you're running direct impingement, you'll need to remove the gas key to get the roller in and out, since the rounded head won't clear it otherwise. It's a direct replacement for the factory cam pin on POF piston carriers, and plenty of builders use them across AR-10 and SR-25 pattern carriers too. Made in the USA by a company that lives and breathes AR innovation, this is one of those quiet upgrades that pays off the longer you shoot.
It replaces the standard square-headed cam pin with one that has a roller that spins as the action cycles. That rolling motion reduces friction and drag between the cam pin and the inside of your upper receiver. The end result is smoother cycling and a lot less wear on the aluminum receiver over time.
This 00306 version is made for the POF P308 (7.62 Model) bolt assembly and 308 Win / 7.62x51mm builds. Many owners also run it in AR-10 and SR-25 pattern carriers, so if you have a 308 platform it's worth confirming your carrier matches before installing. It's a direct replacement for the factory cam pin on POF piston BCGs.
The benefit is greatest in piston-driven guns, where the cam pin hits the receiver harder during the cycle. It can be run in direct impingement setups as well, but you'll need to remove the gas key to install or remove the pin since the rounded head won't clear it. Piston shooters get the easiest install.
The roller is NP3 coated and the pin body is hard chrome plated, which gives it excellent lubricity and lets it run with minimal lube. That said, an AR still runs best when properly maintained, so keeping a light coat of oil on your BCG is never a bad idea. The coating mainly means less friction and easier cleanup.
| UPC | 847313003065 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 00306 |
| Model | |
| Product Type | Roller Cam Pin |
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