Load data for .28 Nosler + .284 | 135gr | Atomic 29 HP

.28 Nosler cartridge drawing
Atomic 29 logo

Load Specifications

Bullet Manufacturer:Atomic 29
Bullet Weight:135 gr
Bullet Diameter:0.284"
Bullet Length:<<locked>>
Case Length (l3):2.59"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:97 Grains of Water
Primer Size:Large Rifle Magnum (LRM)
Barrel Length:24"
Max. allowed Pressure:65,000 psi
Recommended Twist Rate:1:11.0

Load data in caliber .28 Nosler with .284 | 135gr | Atomic 29 HP bullet and 73 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Winchester StaBALL HD, Norma MRP and Vihtavuori N560.

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 3100<<locked>>94%56,463 psi87%3127 fps100%
Accurate 4350<<locked>>86%57,406 psi88%3163 fps100%
Accurate MAGPRO<<locked>>92%55,085 psi85%3215 fps97%
ADI AR 2208<<locked>>82%58,015 psi89%3120 fps100%
ADI AR 2209<<locked>>92%58,305 psi90%3222 fps99.3%
ADI AR 2213<<locked>>94%56,173 psi86%3222 fps98.2%
ADI AR 2217ᴾ<<locked>>100%50,517 psi78%3107 fps97.5%
ADI AR 2225ᴾ<<locked>>100%45,078 psi69%3058 fps99%
Alliant Reloder-16<<locked>>88%58,349 psi90%3225 fps100%
Alliant Reloder-17<<locked>>82%55,608 psi86%3176 fps100%
Alliant Reloder-19<<locked>>92%57,711 psi89%3205 fps99.2%
Alliant Reloder-22<<locked>>94%56,217 psi86%3215 fps99.1%
Alliant Reloder-23<<locked>>96%57,508 psi88%3192 fps100%
Alliant Reloder-25ᴾ<<locked>>100%56,898 psi88%3255 fps100%
Alliant Reloder-26<<locked>>92%58,436 psi90%3287 fps100%
Bofors RP15<<locked>>96%55,158 psi85%3199 fps98.9%
Bofors RP30ᴾ<<locked>>100%52,982 psi82%3182 fps98.2%
Bofors RP5<<locked>>94%56,217 psi86%3215 fps99.1%
Bofors RP7<<locked>>84%55,898 psi86%3104 fps99.5%
Hodgdon H1000ᴾ<<locked>>100%55,796 psi86%3209 fps98.9%
Hodgdon H414<<locked>>84%55,376 psi85%3159 fps99.7%
Hodgdon H4350<<locked>>84%57,827 psi89%3173 fps99.4%
Hodgdon H4831<<locked>>92%55,898 psi86%3156 fps97.6%
Hodgdon H4831 SC<<locked>>94%58,740 psi90%3202 fps98%
Hodgdon Hybrid 100V<<locked>>90%58,610 psi90%3140 fps100%
Hodgdon Retumboᴾ<<locked>>100%55,796 psi86%3327 fps99.8%
Hodgdon Superformance<<locked>>84%55,811 psi86%3192 fps99.6%
Hodgdon TrailBossᴾ<<locked>>100%36,999 psi57%2011 fps100%
IMR 4350<<locked>>88%57,740 psi89%3150 fps99.7%
IMR 4451 Enduron<<locked>>84%57,392 psi88%3133 fps99.8%
IMR 4831<<locked>>88%57,783 psi89%3153 fps100%
IMR 4955 Enduron<<locked>>92%56,884 psi88%3140 fps97.9%
IMR 7828 SSC<<locked>>96%57,798 psi89%3261 fps98.6%
Lovex S065<<locked>>86%58,073 psi89%3130 fps100%
Lovex S070<<locked>>86%56,130 psi86%3120 fps99.8%
Lovex S071ᴾ<<locked>>100%57,435 psi88%3143 fps100%
Norma 204<<locked>>86%55,042 psi85%3143 fps98.7%
Norma 217ᴾ<<locked>>100%40,669 psi63%2972 fps97.1%
Norma MRP<<locked>>92%56,188 psi86%3241 fps99.8%
Norma URP<<locked>>86%55,608 psi86%3143 fps100%
Ramshot Grand<<locked>>94%54,621 psi84%3215 fps98.4%
Ramshot Hunter<<locked>>88%58,392 psi90%3205 fps100%
Ramshot Magnum<<locked>>98%57,508 psi88%3215 fps99.7%
ReloadSwiss RS 14ᴾ<<locked>>100%37,927 psi58%2060 fps100%
ReloadSwiss RS 62<<locked>>86%57,609 psi89%3186 fps100%
ReloadSwiss RS 70<<locked>>86%55,927 psi86%3215 fps100%
ReloadSwiss RS 76ᴾ<<locked>>100%56,956 psi88%3327 fps100%
ReloadSwiss RS 80ᴾ<<locked>>100%51,779 psi80%3189 fps96.5%
Rottweil R 903<<locked>>82%57,305 psi88%3110 fps100%
Rottweil R 904<<locked>>90%55,608 psi86%3123 fps98.1%
Rottweil R 905<<locked>>92%57,203 psi88%3196 fps99.2%
Rottweil R 907<<locked>>84%55,898 psi86%3104 fps99.5%
Shooters World Long Rifle<<locked>>86%58,073 psi89%3130 fps100%
Shooters World SW4350<<locked>>86%56,130 psi86%3120 fps99.8%
SNPE Vectan Tubal 5000<<locked>>82%56,884 psi88%2976 fps100%
SNPE Vectan Tubal 7000<<locked>>86%57,435 psi88%3081 fps99.8%
SNPE Vectan Tubal 8000<<locked>>92%56,768 psi87%3189 fps99.2%
Somchem S355<<locked>>82%56,913 psi88%3104 fps100%
Somchem S361<<locked>>90%57,464 psi88%3117 fps97.8%
Somchem S365<<locked>>88%56,434 psi87%3150 fps100%
Somchem S385<<locked>>92%57,769 psi89%3166 fps99.7%
Vihtavuori N150<<locked>>84%58,117 psi89%3071 fps100%
Vihtavuori N160<<locked>>86%57,493 psi88%3136 fps100%
Vihtavuori N165<<locked>>96%57,493 psi88%3143 fps99.5%
Vihtavuori N550<<locked>>86%56,637 psi87%3140 fps100%
Vihtavuori N555<<locked>>92%55,854 psi86%3166 fps100%
Vihtavuori N560<<locked>>92%55,898 psi86%3232 fps97.8%
Vihtavuori N565<<locked>>98%55,927 psi86%3209 fps98%
Vihtavuori N568ᴾ<<locked>>100%52,866 psi81%3199 fps96.2%
Winchester 6.5 StaBALL<<locked>>86%57,290 psi88%3091 fps100%
Winchester 760<<locked>>84%55,376 psi85%3159 fps99.7%
Winchester StaBALL HD<<locked>>96%55,477 psi85%3274 fps100%
Winchester Supreme 780<<locked>>94%57,943 psi89%3163 fps99.2%

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

Start Load - Barrel Length: 24"

PowderChargeFRMaxP%V(0)z
Accurate 3100<<locked>>80%34,940 psi54%2694 fps96.4%
Accurate 4350<<locked>>80%46,731 psi72%2979 fps99.9%
Accurate MAGPRO<<locked>>88%47,688 psi73%3074 fps95.1%
ADI AR 2208<<locked>>80%54,520 psi84%3068 fps100%
ADI AR 2209<<locked>>82%41,684 psi64%2897 fps95.8%
ADI AR 2213<<locked>>88%45,614 psi70%3015 fps95.7%
ADI AR 2217<<locked>>96%43,990 psi68%2969 fps95.5%
ADI AR 2225<<locked>>92%34,592 psi53%2785 fps95.1%
Alliant Reloder-16<<locked>>80%44,672 psi69%2986 fps99.9%
Alliant Reloder-17<<locked>>80%51,808 psi80%3117 fps100%
Alliant Reloder-19<<locked>>82%41,582 psi64%2890 fps95.9%
Alliant Reloder-22<<locked>>84%39,943 psi61%2887 fps95.4%
Alliant Reloder-23<<locked>>80%33,547 psi52%2726 fps99.1%
Alliant Reloder-25<<locked>>82%31,198 psi48%2677 fps95.4%
Alliant Reloder-26<<locked>>80%36,825 psi57%2867 fps98.4%
Bofors RP15<<locked>>86%39,595 psi61%2877 fps95.1%
Bofors RP30<<locked>>94%43,105 psi66%2986 fps95.7%
Bofors RP5<<locked>>84%39,943 psi61%2887 fps95.4%
Bofors RP7<<locked>>80%49,255 psi76%2986 fps98.7%
Hodgdon H1000<<locked>>92%42,264 psi65%2933 fps95.6%
Hodgdon H414<<locked>>80%48,312 psi74%3028 fps98.9%
Hodgdon H4350<<locked>>80%50,778 psi78%3048 fps98.4%
Hodgdon H4831<<locked>>86%45,498 psi70%2956 fps95%
Hodgdon H4831 SC<<locked>>88%47,834 psi74%3005 fps95.7%
Hodgdon Hybrid 100V<<locked>>80%42,221 psi65%2861 fps100%
Hodgdon Retumbo<<locked>>90%39,784 psi61%2969 fps96%
Hodgdon Superformance<<locked>>80%48,138 psi74%3051 fps98.7%
Hodgdon TrailBoss<<locked>>80%27,702 psi43%1801 fps100%
IMR 4350<<locked>>80%44,614 psi69%2904 fps97.8%
IMR 4451 Enduron<<locked>>80%50,531 psi78%3012 fps99.1%
IMR 4831<<locked>>80%44,469 psi68%2923 fps99.8%
IMR 4955 Enduron<<locked>>86%47,007 psi72%2956 fps95.7%
IMR 7828 SSC<<locked>>88%44,005 psi68%2992 fps95.3%
Lovex S065<<locked>>80%48,196 psi74%2959 fps99.6%
Lovex S070<<locked>>80%46,543 psi72%2946 fps98.7%
Lovex S071<<locked>>82%32,111 psi49%2618 fps95.2%
Norma 204<<locked>>80%44,759 psi69%2943 fps96.6%
Norma 217<<locked>>98%38,000 psi58%2904 fps96.1%
Norma MRP68.2 gr80%36,390 psi56%2825 fps95.6%
Norma URP<<locked>>80%45,788 psi70%2966 fps99.8%
Ramshot Grand<<locked>>88%43,801 psi67%2999 fps95.7%
Ramshot Hunter<<locked>>80%44,570 psi69%2953 fps98.8%
Ramshot Magnum<<locked>>86%36,463 psi56%2792 fps95%
ReloadSwiss RS 14<<locked>>80%28,442 psi44%1847 fps100%
ReloadSwiss RS 62<<locked>>80%46,702 psi72%2999 fps99.8%
ReloadSwiss RS 70<<locked>>80%44,976 psi69%3015 fps99.7%
ReloadSwiss RS 76<<locked>>88%36,506 psi56%2871 fps95.9%
ReloadSwiss RS 80<<locked>>98%47,848 psi74%3114 fps95.4%
Rottweil R 903<<locked>>80%53,722 psi83%3054 fps100%
Rottweil R 904<<locked>>82%43,004 psi66%2877 fps95.1%
Rottweil R 905<<locked>>82%40,930 psi63%2874 fps95.8%
Rottweil R 907<<locked>>80%49,255 psi76%2986 fps98.7%
Shooters World Long Rifle<<locked>>80%48,196 psi74%2959 fps99.6%
Shooters World SW4350<<locked>>80%46,543 psi72%2946 fps98.7%
SNPE Vectan Tubal 5000<<locked>>80%53,577 psi82%2927 fps100%
SNPE Vectan Tubal 7000<<locked>>80%47,108 psi72%2900 fps98.8%
SNPE Vectan Tubal 8000<<locked>>82%40,582 psi62%2871 fps95.7%
Somchem S355<<locked>>80%53,447 psi82%3048 fps100%
Somchem S361<<locked>>84%47,036 psi72%2930 fps95.5%
Somchem S365<<locked>>80%42,757 psi66%2917 fps100%
Somchem S385<<locked>>80%38,899 psi60%2795 fps96.1%
Vihtavuori N150<<locked>>80%51,155 psi79%2966 fps100%
Vihtavuori N160<<locked>>80%47,210 psi73%2963 fps99.9%
Vihtavuori N165<<locked>>84%38,580 psi59%2779 fps95.6%
Vihtavuori N550<<locked>>80%46,557 psi72%2963 fps99.8%
Vihtavuori N555<<locked>>80%37,594 psi58%2808 fps99%
Vihtavuori N56073.4 gr86%45,353 psi70%3025 fps95.1%
Vihtavuori N565<<locked>>92%45,600 psi70%3012 fps95.6%
Vihtavuori N568<<locked>>98%48,950 psi75%3123 fps95.1%
Winchester 6.5 StaBALL<<locked>>80%46,427 psi71%2920 fps100%
Winchester 760<<locked>>80%48,530 psi75%3035 fps98.9%
Winchester StaBALL HD67.5 gr80%29,805 psi46%2730 fps99.1%
Winchester Supreme 780<<locked>>84%40,814 psi63%2838 fps95.7%

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 73 powders for .28 Nosler loaded with the .284 | 135gr | Atomic 29 HP. Hodgdon Retumbo delivers the highest muzzle velocity at 3,327 fps; across all powders the maximum-charge window runs from 2,011 fps to 3,327 fps. ADI AR 2217 gives the best case fill at 100 %, and 73 of the 73 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (448 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 135.0 gr projectile in 0.284" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Alliant Reloder-25 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. Winchester StaBALL HD, Norma MRP, Vihtavuori N560 rank at the top here: for .28 Nosler with the .284 | 135gr | Atomic 29 HP they combine a high case fill with complete burn and sit in the upper velocity band. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.

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