One of the many tests Michael458 did while testing CEB bullets was pressure testing barrels as various bullets were fired using a 470NE. At that time OSR (outside rifling) was all the talk and conventional wisdom was blaming it on Mono-metal bullets. His findings were what led me to use CEB's...
Toby 458
CEB's have been my first choice of bullet the last three trips.
400H&H 400gr Solid and 370gr Raptor 2400fps.. Buff and Eland
450NE 480gr Solid and 450 Raptor 250fps ..Buff, Ele and Wildebeeste (Frontal Brain)
505 Gibbs 525gr Solid 485gr Raptor 2300fps.. Buff, Ele (Side Brian) and Bush Pig
If in todays market you are having diffulculties finding your bullet of choice ... Do not over look CEB's. Have shot all of my African Buffalo with CEB Raptor's 400H&H, 450NE, 458 Lott and 505 Gibbs Would I hunt this bullet if I was in Mozambique probably not as every bullet was a pass...
https://www.gunsinternational.com/search-results.cfm?qs_cat=&Quick_Search_Keyword=416+rigby&start_row=1&the_order=6
416 Rigbys found on Guns International
I would really hate to see you take any metal off any part of your gun whether polishing or using a rouge..
What Kevin Said .......Or....
Try this; When opening the gun, if right handed grasp the grip with your right hand and push the side lever open with your right thumb put your left hand on...
Modern Bullets and old Barrels ... Pressure testing by Michael McCorry found that Bore Riding bullets like CEB Solids and Raptors show the least amount of pressure when running down a barrel... Bullets with relieve grooves next most pressure see Northfork and Barnes. Highest pressures, solid...
Is the Ruger RSM different from the Rifles described in this report...
https://www.africahunting.com/threads/rifle-lessons-learned-from-the-zimbabwe-professional-hunter-proficiency-exam.2604/
"Then we come to one that surprises me. Ruger. The early Ruger M77's with the non rotating claw...
have you looked at a 450NE, ammo to be found and using a 458 dia bullet lots of choices in bullets little or no difference in ballistics and if properly built a handier rifle to carry and shoot
If you're choosing to use your .40 in North America and want to use it for Moose Elk Bear or ground hog Can't see any reason why working up a 300gr load and sighting the gun in would a problem. When the .40 is Africa bound and a 400gr Bullet is desired just a few minutes on the range is needed...
At 65 I am still able to see and use Iron Sights.. I realize that Red dots can/may be faster and more accurate but, as a traditionalist I struggle with the need.
...IF... down the road my eyes start to fail me I think this product by Docter/Noblex optics sits extremely low and would have the...
Terry Wieland in his book "Dangerous Game Rifles" is a big fan of 5744 for reduced loads. You find the load the same way as with TrailBoss except with 5744 the multiplier is .40
The Kynoch bullets shown have Heel cannelures which were used for the typical Kynoch Stab Crimp..
In Graeme Wright's book "Shooting ther British Double Rifle" He has 480grn loads for the 475#2 ..
RL 15 105grs foam filler 2180fps
IMR 4831 115grs foam filler 2200fps
what have we found out ...IF.... in a alternate world you are able to shoot the same animal 10 different times in the same spot with the same rifle and load you would get 10 different responses.
Very excited for you, a Buffalo, Tuskless is a great hunt did the very same on the Save this past August with Roger Whittall Safaris.
CEB Solids for the Tuskless and Raptors for the Buff, both animals were one and done.
This is my third trip to Africa with CEB Bullets and their performance...
Why Foam Fillers
One of my main concerns when stepping up to the 505 from my 450NE and 458 Lott was managing the Rifle's recoil and more importantly managing the Time in recoil. For managing the recoil I was happy with the Rifles weigh and Fit the Powder charge was next.... I used the Woodleigh...
This August past shot a Buff with the 485 Raptor and a Cow Ele with a 525 Solid each was one an done ...
Have shot numerous DG with CEB bullets out of my 400H&H, 450NE and 458 Lott now my 505 Gibbs very happy with their results.
Very happy with the RL15 next powder choice would have been H4350...
Here is a recoil calculator to help you along
https://shooterscalculator.com/recoil-calculator.php
you will see that powder choice can make a big difference in felt recoil
When loading for my 505 Gibbs (11 lbs empty) shooting 525gr CEB Solids and 485gr Raptors at 2300fps I chose RL15 to keep...
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