Shooting World Forums banner

241 - 248 of 248 Posts

·
Registered
Joined
·
241 Posts
Discussion Starter #241
The guys that did the super accurate 416 HE did another
416 HE that has an 8" longer 42 inch K&P barrel..

Used a Stiller action and same load with 475 gr bullet, as in
first gun and and gained about 200 fps with good accuracy.
3065 fps. Tested 2 groups of 3 and less than 1/2 min moa.

And loads they used are not the highest speed loads
the cartridge is capable of....Here is print with specs for
the 416 HE reamer chamber ....Ed....

 

·
Registered
Joined
·
241 Posts
Discussion Starter #242
More about he guys that did the accurate 416 HE, they did a
416 HE that has an 8" longer 42 inch K&P barrel..

Used longer barrel and the same load with 475 gr bullet, as used
in the first gun and and gained about 200 fps with good accuracy,.
3065 fps. Tested 2 groups of 3 and less than 1/2 min moa.

And loads they used are not the highest speed loads
the cartridge is capable of....Here is picture.......Ed....


 

·
Registered
Joined
·
241 Posts
Discussion Starter #243
Away for a time, sickness..
Here is print with chamber reamer specs for the
416 HSM chamber..There are 3 base sizes we have,
depending on actions used. Got reamers for all 3..
Got cases for all of them..
Our cases are public domain, so that is why I post
info and specs. To help guys do their own setups.
Manson makes reamers I use,,, Ed.
 

·
Registered
Joined
·
241 Posts
Discussion Starter #244
Here is reamer print with chamber reamer specs for
the 460 HSM chamber .Couple guys getting set
to do 38-40 inch heavy 458 target barrels...Ed....
 

·
Registered
Joined
·
241 Posts
Discussion Starter #245
With 40 inch barrel 416 HSM ,475 gr, get 3650, over 13,000 ft lbs muzzle energy.
Got guys getting set to have 38-40 inch 458 barrels made for 460 HSM.Ed..
 

·
Registered
Joined
·
241 Posts
Discussion Starter #246
More info on this gun, we did it for testing 416 HSM with a rebated rim,
to check in intermediate size actions, with the longer, stronger, bolt lugs, Ed..
 

·
Registered
Joined
·
241 Posts
Discussion Starter #247
Here is experimental action for 416 HSM in a heavy
stock....We lengthened port a little, set bolt stop back ,
opened bolt face fit the 416 HSM rebated rim. Ed.

Here is comparison of Montana PH to Pierce action we
modified to use for rebated rim 416 HSM testing..Ed.
 

·
Registered
Joined
·
241 Posts
Discussion Starter #248
416 & 460 HE AND 416 & 460 HSM .LONG RANGE AND HUNTING
Can be set up in Pierce X10 ACTION for the 416 & 460 HE
AND X20 action for the 416 & 460 HSM , Can get those
if guys need one...Ed
 
241 - 248 of 248 Posts
Top