MAC1 Tune Part Two

This area is dedicated to the .177 caliber Benjamin Marauder by Crosman.

MAC1 Tune Part Two

Postby bob7346 on Mon May 30, 2011 10:46 pm

Continued from Post One
That is why you get one guy shooting a 1.5" group and another getting a .25" group with the same skill level. The guy getting the .25" group is BS prone or can't measure. A .25" group is what a FWB P70 can get for @ 3K. with a $700 scope.

I wanted to get my MROD tunned or Blueprinted to improve it, so I started doing my research. Every airsmith was busy or slow as shit that seemed anygood. I finally settled on MAC1, I sent Tim Mc an Email, he said arround a month and less than a $100. I didn't want him to ad a reg, a depinger, a baffle, or tube extension, I just wanted a good tune and my gun back in a timely manner. I havn't talkled to the guy, just emails, I don't know if he is a nice guy, but he is a good airsmith and he got my gun back in 30 days. And sent me a can of Cometas by JSB. These pellets do not have to crammed down the barrel like CHPs and are prety damned clean to start with.

The gun now shoots consistant 3/8" groups, twice as smooth, mechanical sound is quiter, the trigger is like three times as smooth and 100% predictable. I don't know or care what he did, but whatever it was it works.

If you already have a MROD try his prep and tune, if you are getting ready to buy one, he sells them already preped. So save yourself a lot of time, frustration and money and buy one of his.

Bob
bob7346
 
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Re: MAC1 Tune Part Two

Postby lamerabbit on Tue May 31, 2011 7:31 am

Bob:

I know I told you this before, but I ended up with a batch of over sized Crosman premier Heavies! Now I can't over state this fact. These pellets were more like 19 caliber than 177. That's right their HEAD SIZE WAS JUST UNDER 19 Caliber OR .189 to .191 in size, with a few running as small as .185. These were not only hard to load in any of my FT guns but would NOT SHOOT IN ANY OF MY FT RIFLES!

The only thing I could do with them was run them through my old Beeman Sizing die, and that fixed the accuracy problem, not completely but very close. I am now shooting a new batch and while they seem very good, I do get sub sized ones now and again. The problem with those sub sized pellets is they won't even hit the target. They will fall short by a few feet! The good thing is I can usually tell because when loading them with the bolt there is no resistance what so ever. I mean no resistance what so ever; it is as if I am just cycling the bolt.

You will find these extremes with Crosman Premiers! In fact, you will always find these extremes with Crosman Premiers, in both the lights and the heavies.

If you believe that getting a good rifle that is mass produced gun is the luck of the draw, what do you think it is when you buy mass produced penny a piece pellets??????

I not saying not to get a rifle tuned but grow some common sense, and it also would not hurt to believe some one who has shot tens of thousands of these pellets out of so many guns that I can even count the brands, let alone the hundreds of bricks of lead that I have shot. I have probably shot more that 5000 rounds across two chronographs with more than 20 different PCP rifles, with just the CPHs, let alone other pellets.

So when someone tells you it’s the PELLET and they have as much experience as I have; then take their or my word for it. If you don’t want to size them just throw them away!

Or just go on insulting people who know better and are just stupid enough to try and help you!

Have a nice day! :mrgreen:
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