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30 Posts
I purchased an XCR from a guy on the forum that was selling it unfired here in FL. It has the old gas block, so I guess it is almost a year old or so, number 1293 or so I think.
Anyway I put some mobil one oil on some parts like people suggested, then used Break Free CLP, since that is all I could find at my local Gander Mountain. I shot 400 rounds of white box Winchester 5.56 ammo and the only problem I had was 3 cases got stuck on ejection. A new round actually got pushed into the chamber, but the 3 rounds got hung up or something in the opening. That happened on the first 100 to 200 rounds. After that there were zero problems. Took me about an hour with only a few stoppages at the range for new people to put up new targets. I lubed it a few times during the shooting, but when ever I opened up the rifle and looked in on the bolt and other parts, everything still had lube all over it and oil was dripping out of the rifle. By the time I was done, the barrel and the gas block were so hot that any water dropped on them turned to steam instantly.
The range master said he had seen one or two other XCR's at the range before and a few of the guys were interested when I told them it was piston driven and they saw me touching the bolt and rod with my bare hands, and while it was hot to the touch, it was not burning my hand. Then they were VERY interested when I told them I could change calibers by just changing the barrel and the bolt.
So all in all a pretty good day, I am just missing the $300 or so I spent on ammo, but that is done now and all I have to do is order the spare parts, the new gas block, the new trigger when that comes out, and the 3 caliber conversions (especially the 7.62x39 for the cheaper range days).
Anyway I put some mobil one oil on some parts like people suggested, then used Break Free CLP, since that is all I could find at my local Gander Mountain. I shot 400 rounds of white box Winchester 5.56 ammo and the only problem I had was 3 cases got stuck on ejection. A new round actually got pushed into the chamber, but the 3 rounds got hung up or something in the opening. That happened on the first 100 to 200 rounds. After that there were zero problems. Took me about an hour with only a few stoppages at the range for new people to put up new targets. I lubed it a few times during the shooting, but when ever I opened up the rifle and looked in on the bolt and other parts, everything still had lube all over it and oil was dripping out of the rifle. By the time I was done, the barrel and the gas block were so hot that any water dropped on them turned to steam instantly.
The range master said he had seen one or two other XCR's at the range before and a few of the guys were interested when I told them it was piston driven and they saw me touching the bolt and rod with my bare hands, and while it was hot to the touch, it was not burning my hand. Then they were VERY interested when I told them I could change calibers by just changing the barrel and the bolt.
So all in all a pretty good day, I am just missing the $300 or so I spent on ammo, but that is done now and all I have to do is order the spare parts, the new gas block, the new trigger when that comes out, and the 3 caliber conversions (especially the 7.62x39 for the cheaper range days).