Distance Increased To 800 yds=.257
Hi All,
First let me say the POI shifts i initially experienced, then did some modifications and was a lot better, but now as distances increase, vertical inconsistencies are getting worse.. This initial experiment was to just see how far a .257 COULD go and if anything can be hit?…..I have taken it all the way and achieved that goal……I will post this video and have 2 others in coming weeks……During the wet months and no dust to see misses will rebuild gun to STRENGTHEN and STABILIZE the WEAK FRAME and STOCK FIT COMBO, I hope. Then do same thing again for better accuracy….The Potential is there.
I have shot at 800 yds about 5 different times/days. The RAM was nose to butt 36″ long and was fine, but belly to back was only 13″ and vertical dispersion of the rifle made it hard to hit…..I grabbed a steel remnant of 10 gauge plate, painted white and got hits, it is 39″ wide, and can carry in car. BUT, if i didn’t see dirt fly I figured hitting the plate and was, but didn’t know WHERE on the plate… High Power Competition after each shot it is marked and see WHERE the hit was to correct….AND THERE TARGET FRAME IS 72″ SQUARE!!
For better view i tilt camera in Portrait Mode and fill screen with plate. I CAN rotate 90* but in YouTube it is so skinny barely see hits…So Imagine I am Shooting and Plate is 90* clockwise…Anyway a friend was at butts/pits of range and called where i hit and as evidenced first shot at 3 o’clock and corrected over near center ……..
It is getting very difficult, but my .257 fired at 204 fpe, has enough energy to flatten totally bullets of 92 grain FB..800 yds still retains 135 fpe….
Click bottom right of video to view full screen 800 yd VIDEO https://www.youtube.com/watch?v=bZnR3GpVmAo
Comments constructive thoughts welcome……………….Carl
All Replies
Viewing 11 replies - 1 through 11 (of 11 total)
Wow is right! That looks crazy. I guess no worry of side focus parallax correction for distances under 50 yrds 😆
That close in focus at nearer targets is a minor nuisance I am experiencing with the large but rather inexpensive VISM scope that I currently shoot on my .257
Not that I shoot under 20-25 yrds very often, it just annoys me that it wont dial down that far. Otherwise, my stupid NC Star VISM EVO scope works really well, with tons of elevation clicks that consistient repeatable point of impact vs clicks turned. Even with elevation maxed at end of travel the windage stays put with no major horizontal changes to the holes in the target. It tracks good. Full mag isnt the best high tack sharp image but plenty sharp enough to see where my shots hit the paper.
Anyways I have drooper style mounts with about four degrees.
What types of rings mount ard you using on yours carl?
With your scope so radically canted, where does your scope optically center or zero at? Are you using mildot recticle or something radically different? Is it a first focal plane scope?
Sure looks perculiar pointing at the barrel…
WOW :thumb:
THANKS FOR THOSE PICTURES ❗
Have you put a angle gauge to see how many degrees your rifle is above 0 degrees?
Thanks Rick!
I sure haven’t, although i use one to set up my Chronograph…Very important to have it set at the same angle as the barrel. Our home range is approx. 4* upward and on my powder guns over 3000 fps and several degrees difference between barrel angle and chrono, can make several hundred fps ERROR.
I include a couple pics of the barrel angle UP and the scope rail DOWN….The shooting portable table WAS LEVEL…..Next spring when gun rebuilt for more verticle stablility, I will have to measure just for the information. SO much to think about at these ranges never thought of measuring the angle 🙄 ……….AND YES, scope is pointing to end of barrel and even back some, but no air stripper in scope view.. So close i guess it doesn’t even register as seeing it focused to infinity???? Click Pics to enlarge……………..Carl
That’s GREAT….And i am ON IT :biggrinn:
Carl?
Have you put a angle gauge to see how many degrees your rifle is above 0 degrees?
Thanks Rick!
Not the only one interested , keep it up, lets see what it will do,
I found that on colder days, the air was more stable and setting targets up with the wind from behind helped quite abit.
Well done, looking forward to your 900yrd post.
Glad someone ELSE is interested in finding out how far this .257 can hit something? have 2 more video’s to post in coming weeks..Thanks for commenting……….
Carl
45 yrs. ago with a modified M-14 my best war kill was measured at 618 yds. Now today you are hitting a target at 800 yds. with an air gun . By today
standards you have shown just how much the improvement of the sport of shooting as evolved . You have shown us what your air gun can do , more
importantly you have shown us how good of a shooter you are and if anyone wishes to full fill their shooting skills as you have they must invest in the
many hours of hard work in order to be able to shoot at your level .
FROM : THE BIRDMAN
Thanks for the kind words. Your shot with the M-14 was your maybe longest HIT, but the gun would still be better at 800 yds than my airgun…..Yes with air the work is more substantial than my F-Class for sure…But i keep increasing by 100 yds and with success, have to figure how much more M.O. A. is needed on scope mounting rail, and try it again…..Until i can see where the dust is kicking up for me…..when i see that, I go set up the plate in the weeded area and try again……It is amazing how far that slug will travel for sure……Thanks for commenting……….Carl
This is the kind of shooting I love to read about, I’m sure we’ll see 1000yrds within the next year or 2. I’ve experiencer the same issue with vertical spread with pellets at long range. This is where the bullet reaches the maximum of what is possible. Shot to shot consistency becomes even more critical and wind, heat etc start taking their toll.
I found that on colder days, the air was more stable and setting targets up with the wind from behind helped quite abit.
Well done, looking forward to your 900yrd post.
rifle 50 , You seem to be the only person in your quest shooting your .257 cal. gun . Just hitting the target at 800 yds. with an air gun is truly amazing .
45 yrs. ago with a modified M-14 my best war kill was measured at 618 yds. Now today you are hitting a target at 800 yds. with an air gun . By today
standards you have shown just how much the improvement of the sport of shooting as evolved . You have shown us what your air gun can do , more
importantly you have shown us how good of a shooter you are and if anyone wishes to full fill their shooting skills as you have they must invest in the
many hours of hard work in order to be able to shoot at your level .
FROM : THE BIRDMAN
Viewing 11 replies - 1 through 11 (of 11 total)
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That close in focus at nearer targets is a minor nuisance I am experiencing with the large but rather inexpensive VISM scope that I currently shoot on my .257
Not that I shoot under 20-25 yrds very often, it just annoys me that it wont dial down that far. Otherwise, my stupid NC Star VISM EVO scope works really well, with tons of elevation clicks that consistient repeatable point of impact vs clicks turned. Even with elevation maxed at end of travel the windage stays put with no major horizontal changes to the holes in the target. It tracks good. Full mag isnt the best high tack sharp image but plenty sharp enough to see where my shots hit the paper.
Anyways I have drooper style mounts with about four degrees.
What types of rings mount ard you using on yours carl?
With your scope so radically canted, where does your scope optically center or zero at? Are you using mildot recticle or something radically different? Is it a first focal plane scope?
Sure looks perculiar pointing at the barrel…
I use this scope http://www.hawkeoptics.com/sidewinder-8-32×56-20x-mil-dot.html read all the wanted info and see the reticle. DOTS from top to bottom……I also use a HAWKE mounting RAIL that has adjustment screw to make rear tilt up and pivots on the front. The tilt makes no difference to me…..Further i go back, more MOA i need for given distance and bullet weight and speed. Keep adjusting scope lower which requires bring MUZZLE UP and results in the weird angles i show but is no problem. I do NOT SEE END OF BARREL and just place what mil dot is giving me the elevation i need………This 800 yd shooting required 137 MOA. A scope isn’t near enough and have to get it with the SCOPE MOUNT RAIL.
These are the RINGS I USE……. http://www.weaveroptics.com/rings_bases/tactical/6-hole_picatinny_rings/ I use WEAVER LIKE these on my 1000 YD, F-CLASS RIFLES, POWDER and i have a few??
Carl