Load data for 7 mm WSM + .284 | 128gr | IBEX TRD

7 mm WSM cartridge drawing
IBEX logo

Load Specifications

Bullet Manufacturer:IBEX
Bullet Weight:128 gr
Bullet Diameter:0.284"
Bullet Length:<<locked>>
Case Length (l3):2.09"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:81.1 Grains of Water
Primer Size:Large Rifle Magnum (LRM)
Barrel Length:24"
Max. allowed Pressure:63,817 psi
Recommended Twist Rate:1:11.0

Load data in caliber 7 mm WSM with .284 | 128gr | IBEX TRD bullet and 87 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, ReloadSwiss RS 70 and Hodgdon Superformance.

Important Notice: DO NOT go below Minimum Charge or above Maximum Charge. Since we have no control over the equipment and components used, any responsibility and liability for the results achieved is rejected.

Only powders/loads that match the current filter criteria are displayed: max pressure of a load ≤ 90% of max. standardized pressure, fill rate ≥ 80% and propellant combustion ≥ 95%. Use the sliders above the tables to adjust these thresholds.

Charge: Powder weight in grains. Start with the minimum load and work up carefully.

FR (Fill Rate): Case fill as a percentage. Values above 100% mean compressed loads.

MaxP / %: Maximum chamber pressure in bar and as a percentage of the standardized maximum for this caliber.

V(0): Muzzle velocity in feet per second (fps) at the standardized barrel length.

z (Powder Burn): Estimated propellant combustion percentage at bullet exit.

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Max Load - Barrel Length: 24"

PowderChargeFRMaxP%V(0)z
Accurate 2495<<locked>>82%56,434 psi88%3018 fps100%
Accurate 2700<<locked>>84%56,753 psi89%3071 fps98.2%
Accurate 3100ᴾ<<locked>>100%54,926 psi86%3117 fps99.2%
Accurate 4064<<locked>>84%56,782 psi89%3077 fps100%
Accurate 4350<<locked>>92%57,058 psi89%3176 fps100%
ADI AR 2208<<locked>>86%55,593 psi87%3091 fps100%
ADI AR 2209<<locked>>98%57,377 psi90%3209 fps97.6%
Alliant Power Pro 2000-MR<<locked>>82%54,926 psi86%3222 fps100%
Alliant Reloder- TS 15.5<<locked>>86%56,753 psi89%3123 fps100%
Alliant Reloder-15<<locked>>84%57,000 psi89%3146 fps100%
Alliant Reloder-16<<locked>>94%56,971 psi89%3228 fps100%
Alliant Reloder-17<<locked>>88%54,694 psi86%3199 fps100%
Alliant Reloder-19<<locked>>98%56,797 psi89%3196 fps97.6%
Alliant Reloder-22ᴾ<<locked>>100%53,983 psi85%3192 fps97.3%
Alliant Reloder-23ᴾ<<locked>>100%51,068 psi80%3130 fps100%
Alliant Reloder-25ᴾ<<locked>>100%44,715 psi70%3041 fps98.4%
Alliant Reloder-26<<locked>>98%54,810 psi86%3278 fps99.9%
Bofors RP15ᴾ<<locked>>100%49,748 psi78%3114 fps96.2%
Bofors RP3<<locked>>84%54,404 psi85%3087 fps100%
Bofors RP5ᴾ<<locked>>100%53,983 psi85%3192 fps97.3%
Bofors RP7<<locked>>90%56,927 psi89%3117 fps98.4%
Hodgdon H380<<locked>>84%54,520 psi85%3097 fps99.7%
Hodgdon H414<<locked>>90%54,984 psi86%3163 fps98.6%
Hodgdon H4350<<locked>>88%54,650 psi86%3117 fps97.5%
Hodgdon Hybrid 100V<<locked>>96%57,566 psi90%3150 fps100%
Hodgdon LEVERevolution<<locked>>82%55,434 psi87%3136 fps100%
Hodgdon Superformance<<locked>>90%55,230 psi87%3199 fps98.5%
Hodgdon TrailBossᴾ<<locked>>100%36,593 psi57%1965 fps100%
Hodgdon VARGET<<locked>>82%56,231 psi88%3100 fps100%
IMR 4064<<locked>>84%55,187 psi86%3077 fps100%
IMR 4166 Enduron<<locked>>84%57,682 psi90%3107 fps98.9%
IMR 4350<<locked>>94%57,725 psi90%3146 fps98.6%
IMR 4451 Enduron<<locked>>88%55,013 psi86%3087 fps98.5%
IMR 4831<<locked>>94%57,000 psi89%3163 fps100%
IMR 4895<<locked>>82%54,795 psi86%3117 fps100%
IMR 4955 Enduron<<locked>>98%56,840 psi89%3130 fps95.8%
Lovex S060<<locked>>82%56,579 psi89%3061 fps100%
Lovex S062<<locked>>84%55,898 psi88%3077 fps100%
Lovex S065<<locked>>90%55,361 psi87%3087 fps99.4%
Lovex S070<<locked>>92%56,637 psi89%3130 fps98.9%
Lovex S071ᴾ<<locked>>100%45,905 psi72%2956 fps97.8%
Norma 201<<locked>>82%57,072 psi89%3087 fps100%
Norma 202<<locked>>82%57,522 psi90%3084 fps100%
Norma 203B<<locked>>84%56,289 psi88%3130 fps100%
Norma 204<<locked>>92%54,897 psi86%3140 fps97%
Norma MRPᴾ<<locked>>100%57,653 psi90%3291 fps99%
Norma URP<<locked>>92%55,216 psi87%3153 fps99.9%
Ramshot Big Game<<locked>>84%56,956 psi89%3156 fps100%
Ramshot Hunter<<locked>>94%57,522 psi90%3205 fps99.5%
Ramshot Magnumᴾ<<locked>>100%47,674 psi75%3048 fps96.5%
ReloadSwiss RS 14ᴾ<<locked>>100%37,217 psi58%2011 fps100%
ReloadSwiss RS 50<<locked>>84%54,404 psi85%3077 fps98.9%
ReloadSwiss RS 60<<locked>>86%54,186 psi85%3196 fps100%
ReloadSwiss RS 62<<locked>>92%56,608 psi89%3196 fps99.9%
ReloadSwiss RS 70<<locked>>92%54,940 psi86%3222 fps99.8%
ReloadSwiss RS 76ᴾ<<locked>>100%44,048 psi69%3058 fps96.3%
Rottweil R 902<<locked>>82%54,592 psi86%3038 fps100%
Rottweil R 903<<locked>>86%54,476 psi85%3084 fps100%
Rottweil R 904<<locked>>96%55,593 psi87%3117 fps96.1%
Rottweil R 905<<locked>>98%56,159 psi88%3182 fps97.7%
Rottweil R 907<<locked>>90%56,927 psi89%3117 fps98.4%
Shooters World Long Rifle<<locked>>90%55,361 psi87%3087 fps99.4%
Shooters World Precision<<locked>>84%55,898 psi88%3077 fps100%
Shooters World SW4350<<locked>>92%56,637 psi89%3130 fps98.9%
SNPE Vectan SP 11<<locked>>86%55,448 psi87%3136 fps100%
SNPE Vectan SP 9<<locked>>82%56,449 psi88%3110 fps100%
SNPE Vectan Tubal 3000<<locked>>82%57,508 psi90%3012 fps100%
SNPE Vectan Tubal 5000<<locked>>86%55,100 psi86%2963 fps100%
SNPE Vectan Tubal 7000<<locked>>90%55,129 psi86%3035 fps98.6%
SNPE Vectan Tubal 8000<<locked>>98%55,666 psi87%3176 fps97.5%
Somchem S335<<locked>>82%57,348 psi90%3009 fps100%
Somchem S355<<locked>>88%57,711 psi90%3130 fps100%
Somchem S365<<locked>>94%54,505 psi85%3163 fps100%
Somchem S385<<locked>>98%56,971 psi89%3156 fps98.4%
Vihtavuori N135<<locked>>82%54,549 psi85%2995 fps100%
Vihtavuori N140<<locked>>82%54,621 psi86%3009 fps100%
Vihtavuori N150<<locked>>88%55,622 psi87%3051 fps100%
Vihtavuori N160<<locked>>92%57,334 psi90%3146 fps99.9%
Vihtavuori N165ᴾ<<locked>>100%52,504 psi82%3068 fps97.4%
Vihtavuori N540<<locked>>84%56,333 psi88%3054 fps100%
Vihtavuori N550<<locked>>92%56,739 psi89%3156 fps99.9%
Vihtavuori N555ᴾ<<locked>>100%57,435 psi90%3219 fps100%
Winchester 6.5 StaBALL<<locked>>92%56,869 psi89%3107 fps100%
Winchester 760<<locked>>90%55,230 psi87%3166 fps98.7%
Winchester StaBALL HDᴾ<<locked>>100%46,514 psi73%3192 fps100%
Winchester StaBALL Match<<locked>>82%56,927 psi89%3123 fps100%
Winchester Supreme 780ᴾ<<locked>>100%57,116 psi90%3150 fps97.6%

Recommended = one of the top powders for this cartridge and bullet combination.

Start Load - Barrel Length: 24"

PowderChargeFRMaxP%V(0)z
Accurate 2495<<locked>>80%53,084 psi83%2969 fps100%
Accurate 2700<<locked>>80%49,777 psi78%2949 fps96.9%
Accurate 3100<<locked>>88%37,130 psi58%2766 fps95.3%
Accurate 4064<<locked>>80%50,241 psi79%2972 fps100%
Accurate 4350<<locked>>80%38,392 psi60%2818 fps97.5%
ADI AR 2208<<locked>>80%46,528 psi73%2930 fps99.4%
ADI AR 2209<<locked>>92%47,514 psi74%3025 fps95.4%
Alliant Power Pro 2000-MR<<locked>>80%51,155 psi80%3153 fps99.9%
Alliant Reloder- TS 15.5<<locked>>80%47,224 psi74%2959 fps100%
Alliant Reloder-15<<locked>>80%50,372 psi79%3031 fps99.8%
Alliant Reloder-16<<locked>>80%36,999 psi58%2818 fps97.4%
Alliant Reloder-17<<locked>>80%41,640 psi65%2953 fps99.6%
Alliant Reloder-19<<locked>>92%46,992 psi74%3015 fps95.4%
Alliant Reloder-22<<locked>>96%47,442 psi74%3071 fps95.7%
Alliant Reloder-23<<locked>>82%29,341 psi46%2618 fps95.8%
Alliant Reloder-25<<locked>>94%37,289 psi58%2858 fps95.9%
Alliant Reloder-2661.1 gr84%33,736 psi53%2805 fps95.3%
Bofors RP15<<locked>>98%46,586 psi73%3051 fps95.3%
Bofors RP3<<locked>>80%47,950 psi75%2979 fps100%
Bofors RP5<<locked>>96%47,442 psi74%3071 fps95.7%
Bofors RP7<<locked>>80%42,119 psi66%2828 fps95.1%
Hodgdon H380<<locked>>80%48,138 psi75%2982 fps99%
Hodgdon H414<<locked>>80%39,856 psi62%2858 fps95.1%
Hodgdon H4350<<locked>>82%45,339 psi71%2936 fps95.3%
Hodgdon Hybrid 100V<<locked>>80%34,548 psi54%2710 fps98.1%
Hodgdon LEVERevolution<<locked>>80%51,967 psi81%3081 fps100%
Hodgdon Superformance61.5 gr82%41,713 psi65%2927 fps95.2%
Hodgdon TrailBoss<<locked>>80%27,340 psi43%1759 fps100%
Hodgdon VARGET<<locked>>80%52,692 psi83%3045 fps100%
IMR 4064<<locked>>80%48,936 psi77%2966 fps99.7%
IMR 4166 Enduron<<locked>>80%51,053 psi80%2992 fps97.9%
IMR 4350<<locked>>84%42,598 psi67%2861 fps95.3%
IMR 4451 Enduron<<locked>>80%43,134 psi68%2854 fps95.9%
IMR 4831<<locked>>80%36,651 psi57%2762 fps97%
IMR 4895<<locked>>80%51,605 psi81%3064 fps100%
IMR 4955 Enduron<<locked>>96%53,592 psi84%3071 fps95.1%
Lovex S060<<locked>>80%53,374 psi84%3009 fps100%
Lovex S062<<locked>>80%49,429 psi77%2969 fps100%
Lovex S065<<locked>>80%41,104 psi64%2812 fps96.9%
Lovex S070<<locked>>80%39,421 psi62%2789 fps95.1%
Lovex S071<<locked>>94%38,218 psi60%2792 fps95.7%
Norma 201<<locked>>80%53,766 psi84%3035 fps100%
Norma 202<<locked>>80%54,201 psi85%3031 fps100%
Norma 203B<<locked>>80%49,734 psi78%3018 fps99.9%
Norma 204<<locked>>88%48,080 psi75%3015 fps95.4%
Norma MRP<<locked>>90%41,133 psi64%2963 fps95.3%
Norma URP<<locked>>80%37,782 psi59%2805 fps97.2%
Ramshot Big Game<<locked>>80%49,835 psi78%3035 fps99.9%
Ramshot Hunter<<locked>>82%38,972 psi61%2844 fps95.8%
Ramshot Magnum<<locked>>98%44,266 psi69%2976 fps95.4%
ReloadSwiss RS 14<<locked>>80%27,978 psi44%1804 fps100%
ReloadSwiss RS 50<<locked>>80%47,964 psi75%2959 fps97.8%
ReloadSwiss RS 60<<locked>>80%44,092 psi69%3015 fps100%
ReloadSwiss RS 62<<locked>>80%37,869 psi59%2831 fps97%
ReloadSwiss RS 7057.6 gr80%36,651 psi57%2828 fps96%
ReloadSwiss RS 76<<locked>>98%41,104 psi64%2982 fps95%
Rottweil R 902<<locked>>80%51,227 psi80%2982 fps100%
Rottweil R 903<<locked>>80%45,150 psi71%2920 fps99.8%
Rottweil R 904<<locked>>94%52,344 psi82%3061 fps95.4%
Rottweil R 905<<locked>>92%46,093 psi72%2995 fps95.3%
Rottweil R 907<<locked>>80%42,119 psi66%2828 fps95.1%
Shooters World Long Rifle<<locked>>80%41,104 psi64%2812 fps96.9%
Shooters World Precision<<locked>>80%49,429 psi77%2969 fps100%
Shooters World SW4350<<locked>>80%39,421 psi62%2789 fps95.1%
SNPE Vectan SP 11<<locked>>80%45,919 psi72%2969 fps99.6%
SNPE Vectan SP 9<<locked>>80%53,243 psi83%3058 fps100%
SNPE Vectan Tubal 3000<<locked>>80%54,346 psi85%2966 fps100%
SNPE Vectan Tubal 5000<<locked>>80%46,079 psi72%2822 fps100%
SNPE Vectan Tubal 7000<<locked>>80%40,306 psi63%2749 fps95.3%
SNPE Vectan Tubal 8000<<locked>>92%45,658 psi72%2989 fps95.2%
Somchem S335<<locked>>80%54,157 psi85%2963 fps100%
Somchem S355<<locked>>80%45,281 psi71%2913 fps99.8%
Somchem S365<<locked>>80%34,389 psi54%2762 fps99.1%
Somchem S385<<locked>>90%44,164 psi69%2923 fps95.7%
Vihtavuori N135<<locked>>80%51,561 psi81%2953 fps100%
Vihtavuori N140<<locked>>80%51,474 psi81%2959 fps100%
Vihtavuori N150<<locked>>80%43,250 psi68%2838 fps100%
Vihtavuori N160<<locked>>80%39,189 psi61%2805 fps97.5%
Vihtavuori N165<<locked>>94%43,424 psi68%2894 fps95%
Vihtavuori N540<<locked>>80%49,922 psi78%2953 fps100%
Vihtavuori N550<<locked>>80%38,812 psi61%2808 fps97.2%
Vihtavuori N555<<locked>>80%30,385 psi48%2648 fps95.1%
Winchester 6.5 StaBALL<<locked>>80%38,290 psi60%2769 fps99.2%
Winchester 760<<locked>>80%40,074 psi63%2861 fps95.1%
Winchester StaBALL HD<<locked>>84%27,862 psi44%2648 fps95.6%
Winchester StaBALL Match<<locked>>80%53,156 psi83%3064 fps100%
Winchester Supreme 780<<locked>>94%46,470 psi73%2959 fps95.2%

Recommended = one of the top powders for this cartridge and bullet combination.

ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.

<<locked>> you need an access license to unlock this data.

This overview compares 101 powders for 7 mm WSM loaded with the .284 | 128gr | IBEX TRD. Norma MRP delivers the highest muzzle velocity at 3,291 fps; across all powders the maximum-charge window runs from 1,965 fps to 3,291 fps. Accurate 3100 gives the best case fill at 100 %, and 101 of the 101 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (440 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 128.0 gr projectile in 0.284" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate MAGPRO, ADI AR 2213 reach 100 % fill or more at maximum charge, so these are compressed loads: they need a long drop tube to seat cleanly and react sensitively to the case capacity of your own brass lot. Alliant Reloder-26, ReloadSwiss RS 70, Hodgdon Superformance rank at the top here: for 7 mm WSM with the .284 | 128gr | IBEX TRD they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2225, Baschieri & Pellagri 109, Bofors RP30 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.

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