Any RAW .30 caliber owners out there?

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tommyb

tommyb

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Feb 20, 2018
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I have a RAW HM1000x .22 high power and I am ‘thinking’ about converting to a .30 caliber for improved accuracy, especially for 100 yard target bench rest shooting. I would have Martin do the conversion.

I-am wondering how accurate these .30 calibers are vs. the RAW .22 caliber regular or HP models, especially at distances greater than 50 yards. Would also be curious as to the barrel you are using, pellets or slugs used and how often you clean it to maintain peak accuracy. 

Thanks

Tom
 
The .30 cal raw is one of the best out there. I shot this at 100 yards. this is a 10 shot group. 7 in one hole.. The other 3 are less than 1" from the hole.

Crusher

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Yeah thats what is on the plate so far. I do have an Evol 30 that I have been trying to tune in and see if it can be more accurate. but so far, the RAW is holding down the spot. I'll let you know as time goes on and I get more of an opportunity to blast away with them both. I'm going to try the 50's in the raw tomorrow and see what I get. Right now with the 44's shooting 875, I'm getting 65 shots. Pretty amazing actually.



Crusher


 
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Wanted to update this post. I did get the .30 caliber barrel back from Martin and had two occasions to shoot at my local outdoor range. As promised, I thought I would share my results from my first outing from March 18th. The RAW shot an average velocity of 870 FPS with the JSB 44g; with ES spreads in the 12, 15, and 34 range. I found out that I have been scoring myself incorrectly for NUAH BR target practice purposes, and have been using 'worst edge' vs. 'best edge' scoring. Regardless of that, I will post the results with the incorrect scoring just so you can see how I did. I did wrestle with the wind and I received a few tips yesterday from another AGN forum member ( who also owns a .30 Cal RAW) that I want to try to help improve my accuracy. NET: I am going to see if the pellet is destabilizing and spiraling ( as it nears the target) the next time out, and if so, will tweak the HST downward to a lower velocity to try and see if that helps. I have heard from Martin and others that this may help my case a bit, and am anxious to try it. I also have to consider brushing the barrel vs. just patches to try and optimize and get it clean. As an aside, I don't weigh or sort my pellets, but do lube them with Napier. I'm sure that might help as well. 

Feel free to comment if you want to here. tx, Tom

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9 shoot group at 100 yards

On my Raw.30 it liked a dirty barrel. I literally would have to shoot 450 pellets for seasoning. After 300 pellets, I could see the group slowly tighten up. After I reached 450 pellets. I could shoot about 200 pellets before the groups started to open back up. Then, Id only drag one Ballistol patch then three dry patches. Then follow with 100 pellets for seasoning, then tight groups would start. Then it was ready for the tightest groups.

When the barrel was clean my groups looked very much like your groups. Groups of 1.5 cc at 100 yards where very normal. 

Mont
 
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Mont, 

Nice shooting for that one 9-shot group. I’ll take a quarter at 100y every time. 

I’m a bit puzzled on how your RAW can shoot that accurately if you have a dirty barrel. I get the gist of what you mean in terms of shooting a lot of pellets to season the barrel, but not sure I’m following your explanation. I generally thought that as a rule of thumb, air guns typically / can loose accuracy with dirty barrels.

As an example, after about 150 44g JSBs went through my RAW in my first outing, I ended my session with some groups at 100 yards ( not shown in those pics I posted), and they started to open up. The next day I cleaned the barrel and the first two Ballistol patches had lead specs visible on two patches. The next four or so had some dirt but then a couple more dry patches and it was clean. Or I should say, as clean as I was going to get it without removing barrel and giving it a brush with a rod. See below.


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Can you clarify your cleaning frequency as to when you clean your RAW and if you are using multiple weights and different brands? I’m just trying to better understand your experience and approach. The .30 cal barrel is new to me.


Tx

Tom
 
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Tom, I know it crazy to say it needs a dirty barrel. But My gun preferred a barrel that was dirty. The only reason I figured out how it preferred a dirty barrel was when I was preparing for RMAC. Out shooting for 100 yard groups. my groups where very good, but I had a flier here and there. I thought maybe it was a barrel getting dirty. So i clean it. Well right after that my groups went to 1.5 to 2.0 cc. Wow, I thought I had damage the barrel or maybe the crown of the barrel. After careful inspection of the crown and running a bore scope down the barrel, I never found any damage. I Then thought, It must be my hold or mount. I figured, I just work it out. As I worked on my hold, thats when I noticed how the groups got better and better. 3 tins into it, my groups where back nice and tight. I also noticed my gun preferred the larger headed pellets. So I screen out the heavier and larger heads with a Pellet gage head sizer and scale to save them for competition. For example 44.85-45.0 grain with the largest head size in the tin 7.65-7.66mm. 

When I first got into airgunning I was a barrel cleaning machine. Coming from the trap shooting world a clean gun was crucial. Pulling a bore snake and the end of the day was expected. But after a while I notice there just wasn't any real grime. Every thing I was seeing was gray graphite and lead nothing I felt would cause corrosion or damage. So stop the routine cleanings. Only to find my guns shot just as accurate. Now I only clean when there's a accuracy issue.

I hope this helps, Mont
 
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Thanks Mont

Q. Is there any way I can order JSB 44g with a larger head size? I assume “no,” and That I would have to sort and weigh like you but please confirm. Interesting, as I think I may have seen another post where the OP observed accuracy issues with different weights and head sizes with the 44g.

I realize it “takes a village” to dial in on accuracy attributes. I.e., clean barrel, good pellets, shooting skill, finding velocity sweet spot, et al.


 
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I have a RAW 1000X in .30 cal, never shot gun much past 75 yards, a friend told me he shoots his out past 200 yards accurately so I set a Tropicana OJ jug at 220 yards and once I found zero I did not miss at that distance, I was very surprised how accurate the .30 RAW was at that distance with 44 JSB. My RAW is set up to shoot the 44's at 885 from the muzzle.
 
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Went back to range yesterday and decided to try a couple of different things.

My goal was to shoot groups “only” at 100 yards and not to fiddle with scope and adjust for elevation or windage. Just keep same exact POA for each five shot group. I shot twenty FIVE-shot groups in all. Very little to no wind, so conditions were very good. I did also play with the RAW HST and I was trying to see if I could “dial in” on the optimum velocity for the JSB 44g pellets. New tin and lubed with Napier before shooting.

i did a Caliper measurement and my average CTC for all twenty groups was 1.61.” I varied HST from 840-880 FPS ranges and I could not come to any definitive conclusions. I thought the gun operated best at 860-875 range, but I wasn’t 100% sure either. 

I think I had ONE group that was sub-MOA, but all the rest were in the 1-2” range, which was good for what I was trying to do. I will venture out and try some slugs and the JSB 50’s at some point.

As many have previously said, shooting accurately and consistently at 100 yards is a real challenge. I’m not sure if I can do this same exercise and someday shoot MOA, but that’s why we keep after it. 
 
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