Nov 20, 2006 · The OKC3S has an inch more blade than the M9 as well as a bit more belly towards the tip, some serrations, a longer swedge, and no "saw" teeth on the spine. I also noticed the OKC3S I handled did not have the torx screw on the butt cap like the M9 does. So I guess it's a press fit blade instead of being screwed to the tang like the M9.

Aug 4, 2013 · Other than some minor storage wear, it's a great looking specimen. My understanding is that this model, the 'OKC3S, was specifically designed for, and solely adopted by, the USMC. Also, the sole contractor for this bayonet was the Ontario Knife Company, (OKC), of Franklinville New York.

Jan 3, 2012 · Is this a fake OKC3s bayonet? I saw this one recently which looks right,handle and scabbard markings were right,except the serration pattern is slightly different and no markings on the blade. The lack of blade markings are a concern to me. Is this real or fake?

Nov 7, 2005 · I'm looking at picking up an Ontario OKC3s and wanted to know if there was a difference between the current military spec model and the commercial pieces? Any and all help much appreciated.

Feb 19, 2008 · Neither the M9 nor the OKC3S, not any other bayonete that I am familiar with save possible the Zero Tolerance, is full tang. They are stick tangs with threaded bayonet pommels.

Dec 18, 2010 · How will the Marine Corps get their bayonets now that Ontario is officially out of business? I've done a few quick Google searches and searched on here to no avail. It's an amazing piece of gear that I had the honor of using against a few hanging tires and dummies. Many people don't realize...

May 23, 2006 · If you're looking for a bayonet that also doubles as a functional knife, google up the OKC3S bayonet by Ontario. I think it also goes by the name "USMC multi-purpose bayonet."

Aug 6, 2010 · I'd buy the whole OKC3S package, bayonet and all, but unfortunately, Singapore does not allow the import of bayonets (but normal combat knives are allowed; go figure :jerkit, so it seems I can only buy the sheath.

Nov 24, 2010 · Not really but it's basically a Ka Bar, but a 1" longer blade and much stronger. Very nice handle in ergonomics and material, and it's a very strong blade. I would get it, but I don't have much of a use for another bayonet.

Oct 3, 2014 · Hey guys, I bought these knives hoping to break even on my gold subscription... but I might have bit off a bit more than I could chew! What I have is Ontario Okc3s Marine Corps bayonets ranging in condition from New to Very Good condition. I would like 100 new, and 95 very good, shipped. None of...