I forgot to mention that I held my .25 caliber barrel up next to it, and it looks like it will be long enough. I don't think there's enough material on the barrel band to accommodate the bigger barrel though.
Quote from: EdinGa on January 18, 2022, 05:57:56 PMI forgot to mention that I held my .25 caliber barrel up next to it, and it looks like it will be long enough. I don't think there's enough material on the barrel band to accommodate the bigger barrel though.Can you reduce the OD of the .25 cal barrel to fit the band?
Quote from: Spacebus on January 18, 2022, 06:04:07 PMQuote from: EdinGa on January 18, 2022, 05:57:56 PMI forgot to mention that I held my .25 caliber barrel up next to it, and it looks like it will be long enough. I don't think there's enough material on the barrel band to accommodate the bigger barrel though.Can you reduce the OD of the .25 cal barrel to fit the band?I'm thinking more along the lines of cutting the barrel band off. I don't think it will be needed with the steel breech. I think someone mentioned that the Alchemy breech has 2 set screws, so that's what I'll probably end up with since I have the wrong Crosman breech.
Quote from: EdinGa on January 18, 2022, 06:08:38 PMQuote from: Spacebus on January 18, 2022, 06:04:07 PMQuote from: EdinGa on January 18, 2022, 05:57:56 PMI forgot to mention that I held my .25 caliber barrel up next to it, and it looks like it will be long enough. I don't think there's enough material on the barrel band to accommodate the bigger barrel though.Can you reduce the OD of the .25 cal barrel to fit the band?I'm thinking more along the lines of cutting the barrel band off. I don't think it will be needed with the steel breech. I think someone mentioned that the Alchemy breech has 2 set screws, so that's what I'll probably end up with since I have the wrong Crosman breech. I agree that with the steel breech the need for a barrel band is questionable. But, I have seen where someone cut the band so that a y was left to support the barrel. or a U maybe ...... Might want to do something like that. Help some if the gun got bumped.
Here is my preliminary data so far for my first shooting after cleaning the barrel and centering the sights. I started with 2 pumps and increased the pressure one pump at a time. Yes, I broke the laws of the universe and went all the way to 10 pumps (*GASP*) just to see what I would end up with. I had some interesting outcomes and I was thrilled with the consistency of the group sizes across the board.I am not posting the targets, this was not about accuracy at all, I was getting more blur every shot I took so as long as I kept the black dot in the center of the sight, I knew I was in the middle so the center to center sizes stayed relatively similar.All shots were made with the widely available Crosman Premier Hollow Points, 13.9 gr at 10 meters from a light weight rest.Here we go!2 Pumps, 375, 379, 358, 373, 364 =374 average *.55" ctc3 Pumps, 449, 457, 452, 459, 455 =454 average *.64" ctc4 Pumps, 518, 500, 484, 507, 519 =505 average *.48" ctc 500!5 Pumps, 549, 549, 567, 570, 582 =563 average *.64" ctc6 Pumps, 593, 611, 596, 581, 598 =595 average *.60" ctc 600!7 Pumps, 583, 585, 606, 587, 626 =597 average *.47" ctc8 Pumps, 668, 668, 673, 671, 668 =670 average *.35" ctc9 Pumps, 653, 685, 659, 653, 661 =662 average *.44" ctc10 Pumps, 702, 702, 705, 706, 707 =704 average *.30" ctc 700!These two were an eye opener, 8 pumps seems to be the wall then we actually hit 700 fps at 10 pumps! WHOOT!!8 Pumps, 668, 668, 673, 671, 668 =670 average *.35" ctc9 Pumps, 653, 685, 659, 653, 661 =662 average *.44" ctc [/size][/font]
DJ..That's one of the reasons we use the steel breaches on the 'lego' guns.
The floppy bolt is most likely to be probe o-ring related.But yes, as you would imagine, plastic wears faster than metal.
Quote from: Firewalker on January 15, 2022, 05:00:28 PMHere is my preliminary data so far for my first shooting after cleaning the barrel and centering the sights. I started with 2 pumps and increased the pressure one pump at a time. Yes, I broke the laws of the universe and went all the way to 10 pumps (*GASP*) just to see what I would end up with. I had some interesting outcomes and I was thrilled with the consistency of the group sizes across the board.I am not posting the targets, this was not about accuracy at all, I was getting more blur every shot I took so as long as I kept the black dot in the center of the sight, I knew I was in the middle so the center to center sizes stayed relatively similar.All shots were made with the widely available Crosman Premier Hollow Points, 13.9 gr at 10 meters from a light weight rest.Here we go!2 Pumps, 375, 379, 358, 373, 364 =374 average *.55" ctc3 Pumps, 449, 457, 452, 459, 455 =454 average *.64" ctc4 Pumps, 518, 500, 484, 507, 519 =505 average *.48" ctc 500!5 Pumps, 549, 549, 567, 570, 582 =563 average *.64" ctc6 Pumps, 593, 611, 596, 581, 598 =595 average *.60" ctc 600!7 Pumps, 583, 585, 606, 587, 626 =597 average *.47" ctc8 Pumps, 668, 668, 673, 671, 668 =670 average *.35" ctc9 Pumps, 653, 685, 659, 653, 661 =662 average *.44" ctc10 Pumps, 702, 702, 705, 706, 707 =704 average *.30" ctc 700!These two were an eye opener, 8 pumps seems to be the wall then we actually hit 700 fps at 10 pumps! WHOOT!!8 Pumps, 668, 668, 673, 671, 668 =670 average *.35" ctc9 Pumps, 653, 685, 659, 653, 661 =662 average *.44" ctc [/size][/font]What was your range? I'm strongly considering order four tins of CPHP's since they seem to group well out of these guns.
Yup hanging out in your attic cheering you an Wayne
Advertise Here
Share This!