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Posted: 5/19/2007 7:15:19 PM EDT
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Waiting for GG, as in a lower that'll take grease gun mags, had me feeling like I was just twisting in the wind. So, at the gunshow this morning I bagged a complete CMMG lower from one of our industry sponsors, Lone Star Wholesale, so my Oly .45 upper could at least come out of the box it's been in since it arrived several weeks ago. Now the interim .45 AR is operational, albeit with a runt 10 round Uzi mag:  I'm already committed to a couple of the gg mag lowers struggling to come about, but I just couldn't wait any longer. Whenever one of those lowers arrives, this one will probably go on to a second career as a 5.56, or, who knows? Maybe a 6.8? A 7.62? Guess I'll go to the range in the morning and see if it works. |
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Well, it goes BANG!. Very nicely, as a matter of fact. I do like this gun. It seems I need to have the bolt open to seat the Uzi mag with 10 rounds, or just load 9. And the sighting system will need some work - the smaller of the Oly apertures is big enough to get lost in. And if one of my gg lowers doesn't appear for a bit, I'll probably do something about replacing the stock CMMG trigger. But I'm glad I quit waiting - this is a fun gun to shoot. I went ahead and bought a couple more Uzi mags and, who knows, if I do the above mentioned spiffing up, I may just keep it and build another .45 AR whenever a gg mag lower comes around. BTW, any of you guys ever stripped an Oly .45 BCG? It doesn't look at all like my 5.56 BCGs. Do you undo the hex nut on the rear? Does the cam pin come out? Heh, if so, does it go back in? |
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The hex nut at the rear of the Oly bolt is the extra weight needed to slow down the rate of fire for the blow back operation. Do not remove it, removal is not necessary for disassembly. Be very carefull when pulling the bolt out from the carrier. The extractor spring is sandwiched between the outside of the extractor and the inside of the bolt carrier. It is not between the extractor and the bolt like a regular AR. If you pull the bolt out without cupping your hand around it, the spring will fly off to who knows where. Oly says even though it looks like a regular extractor spring, it is not an is unique to the pistol caliber guns. |
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