This is, without a doubt, the highest quality tool of its type. This is not a piece of plastic, but a lathe-turned piece of aircraft-grade, color-anodized aluminum with heavy-duty O-rings to center and retain it in the upper receiver while cleaning through it. The newest design is now equipped with a solvent hole located at the ejection port. Avoid damage to the chamber, throat, and crown of your expensive rifle. This cleaning rod guide is ridiculously overbuilt. Use it once, and you will not clean without it.
Cleaning rod guide for any .223 AR15 type rifles.
Note: For calibers exceeding .257 bore, use of a smaller cleaning jag may be required when utilizing the JPRG-1.