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Discussion Starter · #1 ·
I want to know about this.It seems basically like a 12 gauge slug .but i dont know it just caught my attention .I have yet to find any info on it .Also i know someone who could turn out cases for it for about 30$ a piece.I would like to have one for display and the few original 70-150 Winchester rounds are probably over 1k's of $ .


Bullet diameter .705 in (17.9 mm)
Neck diameter .725 in (18.4 mm)
Shoulder diameter .790 in (20.1 mm)
Base diameter .805 in (20.4 mm)
Rim diameter .870 in (22.1 mm)
Case length 2.18 in (55 mm)
Overall length 2.63 in (67 mm)

probably could make a bullet mold for a .705 bullet and make a few inert display items what y'all think ?
 

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I have one of these rounds. It is made from a brass 12ga shell. Bought it off e-bay several years ago. I can send pictures if you like. Just PM me your email.


Don
 

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Photo Of The .70-150 Winchester

Here's that photo, as promised. It is "Flanked" by a .308 & Regular 12 gauge 2 3/4" shotgun shell.

 

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Discussion Starter · #9 ·
what wieght projectile?I wished marlin would make a lever gun in this lol.maybe a 70-150/12 ga 2 3/4".Kinda like the 410/45 colt thing.oh yeah thanks for the picture.Heck i could probably get a break barrel shotgun converted to one but the guy who makes the brass say's the dimesion may vary.would that make it dangerous?.I think the psi of the 70-150 maybe 7,000 psi or so .Either way a fine caliber.Finally a american big bore .maybe not a nitro express but i like it better:D.There a guy on ammo-one who pays for rare calibers acautally thats how i found out about the 70-150 it was on his wish list
 

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I had this particular cartridge, in my collection for some 35 years. The .70-150 Winchester cartridge held 150 grains of powder (of some type :confused:) and its bullet weighed anywhere from 600 to 900 grains. Muzzle velocity was around 1,500 FPS (600 gr. bullet) with a muzzle energy of some 3,000 FP. The muzzle velocity of a 900 grain bullet was 1,300 FPS with a M.E. of some 3,338 FP. Actually it was more or less a novelty cartridge and the ONLY one gun chambered for it was ONE Winchester Model 87 with a rifled barrel. ~Added note: The Recoil would be "Murder"~
 

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The Recoil would be "Murder"~
For comparison, here are some recoil numbers for some of the popular calibers and at the bottom, the calculated numbers using Handloads.com's Recoil Calculator and Davers weight and velocity numbers for the 70-150.

<table bgcolor="#d3d3d3" width="90%"><tbody><tr><td>Cartridge ([email protected])</td> <td align="center">Rifle Weight</td> <td align="center">Recoil energy</td> <td align="center">Recoil velocity</td></tr> <tr><td>.223 Rem. (55 at 3200)</td> <td align="center">8.0</td> <td align="center">3.2</td> <td align="center">5.1</td></tr> <tr><td>.223 Rem. (62 at 3025)</td> <td align="center">7.0</td> <td align="center">3.9</td> <td align="center">6.0</td></tr> <tr><td>.243 Win. (75 at 3400)</td> <td align="center">8.5</td> <td align="center">7.2</td> <td align="center">7.4</td></tr> <tr><td>.243 Win. (100 at 2960)</td> <td align="center">7.5</td> <td align="center">8.8</td> <td align="center">8.7</td></tr> <tr><td>.25-35 Win. (117 at 2230)</td> <td align="center">6.5</td> <td align="center">7.0</td> <td align="center">8.3</td></tr> <tr><td>6.5x55 Swede (140 at 2650)</td> <td align="center">9.0</td> <td align="center">10.6</td> <td align="center">8.7</td></tr> <tr><td>.260 Rem. (120 at 2860)</td> <td align="center">7.5</td> <td align="center">13.0</td> <td align="center">10.6</td></tr> <tr><td>.264 Win. Mag. (140 at 3200)</td> <td align="center">8.5</td> <td align="center">19.2</td> <td align="center">12.1</td></tr> <tr><td>6.8mm Rem. SPC (115 at 2625)</td> <td align="center">7.5</td> <td align="center">8.0</td> <td align="center">8.3</td></tr> <tr><td>.270 Win. (130 at 3140)</td> <td align="center">8.0</td> <td align="center">16.5</td> <td align="center">n/a</td></tr> <tr><td>.270 Win. (150 at 2900)</td> <td align="center">8.0</td> <td align="center">17.0</td> <td align="center">11.7</td></tr> <tr><td>.30 Carbine (110 at 1990)</td> <td align="center">7.0</td> <td align="center">3.5</td> <td align="center">5.7</td></tr> <tr><td>.30-30 Win. (150 at 2400)</td> <td align="center">7.5</td> <td align="center">10.6</td> <td align="center">9.5</td></tr> <tr><td>.30-30 Win. (170 at 2200)</td> <td align="center">7.5</td> <td align="center">11.0</td> <td align="center">9.7</td></tr> <tr><td>.300 Sav. (150 at 2630)</td> <td align="center">7.5</td> <td align="center">14.8</td> <td align="center">n/a</td></tr> <tr><td>.307 Win. (150 at 2600)</td> <td align="center">7.5</td> <td align="center">13.7</td> <td align="center">10.9</td></tr> <tr><td>.308 Marlin Express (160 at 2660)</td> <td align="center">8.0</td> <td align="center">13.4</td> <td align="center">10.4</td></tr> <tr><td>.308 Win. (150 at 2800)</td> <td align="center">7.5</td> <td align="center">15.8</td> <td align="center">11.7</td></tr> <tr><td>.308 Win. (180 at 2610)</td> <td align="center">8.0</td> <td align="center">17.5</td> <td align="center">11.9</td></tr> <tr><td>.30-06 Spfd. (150 at 2910)</td> <td align="center">8.0</td> <td align="center">17.6</td> <td align="center">11.9</td></tr> <tr><td>.30-06 Spfd. (180 at 2700)</td> <td align="center">8.0</td> <td align="center">20.3</td> <td align="center">12.8</td></tr> <tr><td>70-150 Win (600 at 1500)</td> <td align="center">8.25</td> <td align="center">83.9</td> <td align="center">25.2</td></tr> <tr><td>70-150 Win (900 at 1300)</td> <td align="center">8.25</td> <td align="center">116.8</td> <td align="center">29.8</td></tr></tbody></table>
 
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