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Anyone who has built an AR-15 upper from a stripped receiver knows the exact moment the ejection port cover ruins their evening. You line up that little C-clip with a pair of needle nose pliers, apply a hair too much pressure, and it launches somewhere behind the workbench never to be seen again. The Rotor Clip A-300 was made by the same company that manufactures those clips in the first place, so it understands the part better than any generic pick or driver you might reach for.
The tool uses a split-lip design that captures the C-clip inside a recess so it stays put while you position it. You slide the clip into the holder, line it up with the groove on the ejection cover hinge pin, and snap it into place. That captured hold is the whole point, since it keeps the clip from popping loose and heading for orbit the way it does with pliers or a screwdriver. The squared handle gives you a solid grip and enough leverage to seat the clip with control instead of guesswork.
Replacing the clip on the ejection port cover pin is one of those small tasks that eats up more time than it should, especially if you work on multiple rifles. Folks who build or repair AR-15, M16, and M4 pattern guns on the regular tend to say this tool pays for itself the first time it saves them from chasing a lost clip around the shop. It works on standard AR-15 and AR-10 / .308 pattern ejection covers that use the same style hinge pin retainer.
The A-300 is made in the United States by Rotor Clip, a manufacturer that specializes in snap rings, E-clips, and retaining fasteners. If you build uppers, run an armorer's bench, or just want to stop dreading the dust cover step, this is the purpose-built answer to a problem people have been solving with screwdrivers and swear words for decades.
It installs the small C-clip that retains the ejection port cover hinge pin on AR pattern rifles. The clip sits captured in a split-lip recess on the tool so you can snap it onto the pin groove without it flying loose. It turns one of the most aggravating steps of an upper build into a quick job.
Yes. The ejection cover hinge pin clip is the same style retainer on AR-15, AR-10, and .308 AR pattern uppers, so the A-300 handles all of them. It also works for M16 and M4 pattern rifles that use the same C-clip.
Yes, the A-300 is manufactured in the United States by Rotor Clip. Rotor Clip is the same company that produces snap rings, E-clips, and the actual C-clips used on the AR ejection cover, so the tool is built around the exact part it installs.
The A-300 is the installation tool only and does not include the C-clips. You'll want to have a few of the ejection cover hinge pin clips on hand, since they're inexpensive and easy to lose during a build. Keeping a small stash means you're never held up waiting on one tiny part.
| UPC | 813318020093 |
|---|---|
| Manufacturer |
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