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Reloading The 8mm (8x57) Mauser Rifle

(Note: These are maximum loads , you should use 10% less to start.)
(See note on Powders below or read all about various Powders.)
Bullet is .323" diameter. These loads are for the stronger Model 98 Mauser and other modern rifles. Do not use in the older Model rifles. Make SURE you don't have an older model that had the .318 bore instead of the modern .323 diameter bore. These older rifles were made at the turn of the century. You should certainly shoot some factory ammo, made for all Mausers set for the lower pressures. This Mauser factory ammo is about on par with the 30-30 loads. For the handloads below, you must have a modern rifle in GOOD condition. If unsure, have a gunsmith check it out. These loads below approach those of the .308 Winchester round. Because of type of bullet, seating depth, primer type and other factors, you may not get near the FPS charted. It is just a guide and the reason you should start under these charges and work up.

125 grain Hornady SP
    Reloader 12  45.0 gr.   2,720 FPS
    Reloader 15  46.8 gr.   2,760 FPS
150 grain Speer Spitzer SP 
    IMR 3031     49.0 gr.   2,757
    H380         54.0 gr.   2,778
    H4831        57.0 gr.   2,452
    H4895        50.0 gr.   2,747
    Viht. N140   50.0 gr.   2,695
    IMR 4895     48.0 gr.   2,675
    Reloader12   43.0 gr.   2,455
    Reloader15   44.0 gr.   2,560
    A2700        50.0 gr.   2,580
170 grain Speer Spitzer SP 
    W748         46.0 gr.   2,410 FPS
    W760         48.0 gr.   2,240
    H4831        57.0 gr.   2,418
    H450         49.0 gr.   2,138
    H380         49.0 gr.   2,509
    H4895        46.0 gr.   2,501
    Reloader12   40.0 gr.   2,280
    Reloader15   41.4 gr.   2,400
    Viht. N140   48.0 gr.   2,574
    A2700        49.0 gr.   2,486
    IMR 4895     46.0 gr.   2,640
200 grain Speer spitzer SP
    H380         52.0 gr.   2,469 (mag primer)
    IMR 4064     46.0 gr.   2,434
    A2700        48.0 gr.   2,324 (Mag primer & compressed)
    Viht. N140   43.0 gr.   2,242
Discussion: DO NOT USE ANY ABOVE LOADS, ETC. IN A 8MM THAT HAS THE SMALLER .318 BORE. This was mostly earlier Mausers. Some mass sales of the old Military rifles had parts interchanged, so if you have just bought one of these, have it inspected first, before you shoot it. When you are sure of the quality, parts, bore and condition, start out with mild loads and light bullets to see how things go. Always check for signs of pressure, leakage and parts problems. The original factory loads were designed for pressures around 36,000 and some of the loads above approach 50,000 cup. You can see why you have to be sure of the rifle and condition before you use these modern loads. This "32 caliber" bullet moving at speeds of the .308 makes a fine hunting round.

#2400, Reloader 7, 11, 12, and 15 are products of Alliant (formerly Hercules) Powders.
H380, H414, H450, H4350 and H4895 are products of Hodgdon Powders.
IMR 3031 and IMR 4895 are products of IMR (formerly DuPont) Powder Company.
A2230, A2495, A2700, A3100, A2015 and A2460 are products of Accurate Arms Company
WMR, WSF, WSL, 760, 748, 680, 231 and 540 are products of Winchester, Components Div.
Viht N140 is a product of VihtaVuori Oy Company, Ammunition Unit

References: Accurate Arms Co. 1996 Reloading booklet - - Alliant Powder Co. Reloaders' Guide (1995) - - Hodgdon's Basic Reloaders Manual (1996) - - Speer Reloading Manual, #12 - - Winchester Reloading Components Manual, 14th edition - - Lyman Piston & Revolver Reloading Handbook, 2nd edition. - - VihtaVuori Oy Company, reloading booklet (1995) - - Numerous magazine articles on reloading special calibers and personal loads where noted.

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This page created 7/29/96 by M.D. Smith and last modified on August 26, 2002 ©