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Rifles, Reloading, Optics, Equipment
Specialty Handgun Hunting
Question 8mm Mauser
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<blockquote data-quote="RT2506" data-source="post: 946794" data-attributes="member: 10178"><p>You may be surprised at bullet performance. Most of the 8mm bullets are made for lower velocities because of the old .318 diameter bore rifles that people shoot .323 bullets in. American made factory ammo is really SLOW but it expands really well. Remington and Federal makes a 170 gr bullet load that runs 2350 fps on average but it expands as well as any 170 gr 30-30 Win factory load on deer. My cousin has killed a train load of deer with these loads in his 8 Mauser. Much of the loading data is for the SLOW low pressure also. If you load the 8X57JS like it should be with pressures up to equal the 30-06 it will do about the same as the 06 velocity wise. The Sierra and Hornady 150s should work really well and Nosler makes a 180 ballistic tip. The Sierra 200 gr Match King might even surprise you at lower velocities.</p><p>Good cases for the 8x57 can be made from any 30-06 case. Pull the decaping/expander ball rod out of the 8X57 FL die and run the 06 case fully in. Trim the case to length. Put the decaping/expander ball rod back in the die and run it through again. You now have a 8x57 case. </p><p>I have a Hodgdon 26 manual and it list load data for the 8mm IHSMA in 14" barrel. This is the 300 Savage case expanded up to 8mm. With 170 gr bullets it gets between 2100 and 2200 fps with a number of powders. The 8X57 case will hold 9 to 10 more grs powder than the 8mm IHSMA. So if you add a 18" or so barrel you are going to be at least in the 2300 to 2400 fps range with 170s. Same as the factory ammo with 170s out of a rifle length barrel. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /> Have I talked you into it yet???? <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="RT2506, post: 946794, member: 10178"] You may be surprised at bullet performance. Most of the 8mm bullets are made for lower velocities because of the old .318 diameter bore rifles that people shoot .323 bullets in. American made factory ammo is really SLOW but it expands really well. Remington and Federal makes a 170 gr bullet load that runs 2350 fps on average but it expands as well as any 170 gr 30-30 Win factory load on deer. My cousin has killed a train load of deer with these loads in his 8 Mauser. Much of the loading data is for the SLOW low pressure also. If you load the 8X57JS like it should be with pressures up to equal the 30-06 it will do about the same as the 06 velocity wise. The Sierra and Hornady 150s should work really well and Nosler makes a 180 ballistic tip. The Sierra 200 gr Match King might even surprise you at lower velocities. Good cases for the 8x57 can be made from any 30-06 case. Pull the decaping/expander ball rod out of the 8X57 FL die and run the 06 case fully in. Trim the case to length. Put the decaping/expander ball rod back in the die and run it through again. You now have a 8x57 case. I have a Hodgdon 26 manual and it list load data for the 8mm IHSMA in 14" barrel. This is the 300 Savage case expanded up to 8mm. With 170 gr bullets it gets between 2100 and 2200 fps with a number of powders. The 8X57 case will hold 9 to 10 more grs powder than the 8mm IHSMA. So if you add a 18" or so barrel you are going to be at least in the 2300 to 2400 fps range with 170s. Same as the factory ammo with 170s out of a rifle length barrel. :D Have I talked you into it yet???? :) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Specialty Handgun Hunting
Question 8mm Mauser
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