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The cam pin is one of those small parts most folks never think about until they pull their upper apart and spot a worn groove where the standard square-head pin has been dragging across the aluminum. Patriot Ordnance Factory built this kit to fix that problem before it starts. Instead of a flat steel head scraping along the inside of your receiver, the POF-USA design rides on a nickel-plated roller that turns as the action cycles, so it rolls rather than gouges.
The payoff shows up in two places. First is longevity: builders who run these report little to no wear in the cam pin pocket of the upper even after several thousand rounds, which is a real difference from what a standard cam pin leaves behind. Second is feel. A lot of owners describe the bolt unlocking noticeably smoother, to the point that manually working the charging handle feels like the carrier is running on bearings. It is a subtle upgrade during live fire, but the reduced friction and drag on the bolt carrier is the whole point.
This kit is set up for mil-spec direct impingement AR-15 bolt carrier groups chambered in .223 Rem and 5.56x45mm NATO. The important thing to know going in is that the roller pin requires the included modified gas key, so you will be pulling your existing gas key and installing the POF one during the swap. That means the new gas key needs to be properly staked, so have a staking tool on hand or plan a trip to your gunsmith. Everything else about your build stays the same, since this only changes the cam pin interface and not how the rifle operates.
It is a favorite among match shooters and careful builders who want to protect their upper receivers, and plenty of people end up putting one in every AR they own once they see how it holds up. Just remember the kit covers the cam pin and gas key only. Your bolt, carrier, and the rest of the assembly are not included.
Yes. The roller cam pin is designed to work with the modified gas key that comes in the kit, so you will remove your existing gas key and install the POF one. Because the new gas key needs to be staked, you'll want a gas key staking tool or access to a gunsmith to finish the job right.
It's made for mil-spec direct impingement AR-15 bolt carrier groups in .223/5.56, so it drops into most standard DI builds. You will need to swap in the included modified gas key as part of the install. The bolt, carrier, and other assembly parts are not included, so this is a component upgrade rather than a complete BCG.
A standard square-head cam pin grinds along the inside of your aluminum upper and can wear a groove over time. This one rides on a nickel-plated roller that turns as the action cycles, so it reduces friction and helps protect the cam slot in your receiver. Many owners also notice smoother bolt unlocking when working the charging handle.
This particular .223/5.56 kit with the modified gas key is intended for direct impingement AR-15 carriers. POF makes a separate NP3-coated roller cam pin assembly for their piston-operated carriers, so if you're running a piston gun you'll want that version instead.
| UPC | 847313003935 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 00393 |
| Product Type | Roller Cam Pin |
| Model | |
| Color | Black |
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