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Reloading The 10 MM



(WC= WadCutter, SWC= Semi-WadCutter, HP= Hollow Point, RN= Round Nose, FMC= Full Metal Case, FMJ= Full Metal Jacket, JHP= Jacketed Hollow Point and if GC indicated, means Gas Check at bottom of lead bullet)

Loads for 10 MM: (.400 dia. bullet) (case length .992")
(Note: These are MAXIMUM loads, you should use 10% less to start.)
(See note on Powders below or read all about various Powders.)
Due to different barrel lengths, 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.

----------------------------------------
155 grain JHP (Jacketed Hollow Point)
    Bullseye   6.7 gr.   1,190 FPS
    Unique     7.5 gr.   1,200
    Universal  7.5 gr.   1,279
    HS6       10.0 gr.   1,280
    HP38       6.9 gr.   1,194
    No. 2      8.0 gr.   1,296
    No. 5     10.0 gr.   1,334
    231        7.3 gr.   1,250
    540       10.8 gr.   1,355
-----------------------------------------
170 grain JHP 
    Bullseye   6.2 gr.   1,135 FPS
    Unique     6.9 gr.   1,135
    Universal  6.7 gr.   1,187
    HP38       6.3 gr.   1,119
    HS6        9.3 gr.   1,190
    No. 2      7.7 gr.   1,220
    No. 5      9.7 gr.   1,275
    231        6.3 gr.   1,120
    540        9.9 gr.   1,265
-----------------------------------------
180 grain FMC or JHP
    Bullseye   6.4 gr.   1,125 FPS
    Unique     7.0 gr.   1,125
    Universal  6.4 gr.   1,122
    HP38       5.8 gr.   1,061
    HS6        8.7 gr.   1,109
    No. 2      6.8 gr.   1,120
    No. 5      8.7 gr.   1,197
    231        5.8 gr.   1,050
    540        9.3 gr.   1,190
-----------------------------------------
200 grain FMJ
    Bullseye   5.3 gr.     940 FPS
    Unique     5.8 gr.     940
    Universal  5.9 gr.   1,015
    HP38       5.6 gr.   1,011
    HS6        8.6 gr.   1,089
    No. 2      6.3 gr.   1,041
    No. 5      7.8 gr.   1,066
    231        5.6 gr.   1,000
    540        8.6 gr.   1,090
-----------------------------------------
205 grain Lead Round Nose
    Unique     5.0 gr.     ---
    Universal  5.0 gr.     ---
    HS6        8.1 gr.     ---
    No. 2      5.2 gr.     979
    No. 5      7.0 gr.   1,063
    231        4.2 gr.     870
    540        6.6 gr.     960
-----------------------------------------


Discussion: Only one LEAD bullet is show above. If you want to use lead, pick one of the jacketed bullets and deduct .5 to .8 grains for a guide. Universal, Clays and HS6 are from Hodgdon and similar to Bullseye and Unique. HS6 is slowest of the group (Similar to 2400) and takes quite a bit more powder. Respectively are No.2 and No.5 from Accurate.

A bullet with a copper gas check or copper plating is best for INDOOR ranges to keep lead vapors out of the air.

*
Bullseye, Unique and 2400 are products of Alliant (formerly Hercules) Powders.
Clays, Universal, HP38, HS6 and H4895 are products of Hodgdon Powders.
IMR 3031 and IMR 4895 are products of IMR (formerly DuPont) Powder Company.
No. 2, No. 5, #2230, and #2460 are products of Accurate Arms Company
WMR, WSF, WSL, 760, 748, 231 and 540 are products of Winchester, Components Div.

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 2/22/96 by M.D. Smith and last modified on July 31, 1997 ©