Load data for .28 Nosler + .284 | 146gr | Peregrine Backup (VRG-2)

.28 Nosler cartridge drawing
Peregrine logo

Load Specifications

Bullet Manufacturer:Peregrine
Bullet Weight:146 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:1:12.5

Load data in caliber .28 Nosler with .284 | 146gr | Peregrine Backup (VRG-2) bullet and 72 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon Retumbo, ReloadSwiss RS 76 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>>92%55,564 psi85%3018 fps100%
Accurate 4350<<locked>>84%56,333 psi87%3048 fps100%
Accurate High Country<<locked>>90%57,566 psi89%3179 fps99.2%
Accurate MAGPRO<<locked>>92%58,595 psi90%3182 fps98.5%
ADI AR 2209<<locked>>90%57,667 psi89%3114 fps99.6%
ADI AR 2213<<locked>>92%55,579 psi86%3120 fps98.8%
ADI AR 2217ᴾ<<locked>>100%53,606 psi82%3081 fps98.9%
ADI AR 2225ᴾ<<locked>>100%48,109 psi74%3035 fps99.9%
Alliant Power Pro Varmint<<locked>>90%57,798 psi89%3110 fps99.6%
Alliant Reloder-16<<locked>>86%57,696 psi89%3110 fps100%
Alliant Reloder-19<<locked>>90%57,087 psi88%3100 fps99.6%
Alliant Reloder-22<<locked>>92%55,753 psi86%3114 fps99.6%
Alliant Reloder-23<<locked>>94%57,116 psi88%3081 fps100%
Alliant Reloder-25<<locked>>98%56,942 psi88%3150 fps100%
Alliant Reloder-26<<locked>>90%57,957 psi89%3173 fps100%
Baschieri & Pellagri 109<<locked>>94%56,985 psi88%3081 fps96.7%
Bofors RP15<<locked>>96%58,581 psi90%3159 fps99.7%
Bofors RP30ᴾ<<locked>>100%56,594 psi87%3150 fps99.3%
Bofors RP5<<locked>>92%55,753 psi86%3114 fps99.6%
Bofors RP7<<locked>>84%58,233 psi90%3051 fps99.9%
Hodgdon H1000<<locked>>98%55,172 psi85%3107 fps99.4%
Hodgdon H414<<locked>>84%58,117 psi89%3107 fps100%
Hodgdon H4350<<locked>>82%56,855 psi87%3064 fps99.7%
Hodgdon H4831<<locked>>90%55,216 psi85%3054 fps98.2%
Hodgdon H4831 SC<<locked>>92%58,001 psi89%3100 fps98.7%
Hodgdon Hybrid 100V<<locked>>88%57,928 psi89%3028 fps100%
Hodgdon Retumbo<<locked>>98%55,825 psi86%3228 fps100%
Hodgdon Superformance<<locked>>82%55,100 psi85%3084 fps99.9%
Hodgdon TrailBossᴾ<<locked>>100%37,246 psi57%1952 fps100%
IMR 4350<<locked>>86%56,724 psi87%3038 fps99.9%
IMR 4451 Enduron<<locked>>82%56,318 psi87%3022 fps99.9%
IMR 4831<<locked>>86%56,782 psi87%3038 fps100%
IMR 4955 Enduron<<locked>>90%56,043 psi86%3038 fps98.5%
IMR 7828 SSC<<locked>>94%57,638 psi89%3163 fps99.1%
IMR 8133 Enduronᴾ<<locked>>100%43,410 psi67%2923 fps96.6%
Lovex S065<<locked>>84%56,869 psi87%3015 fps100%
Lovex S070<<locked>>86%58,784 psi90%3068 fps100%
Lovex S071<<locked>>98%56,710 psi87%3035 fps100%
Norma 204<<locked>>86%57,943 psi89%3097 fps99.6%
Norma 217ᴾ<<locked>>100%43,700 psi67%2946 fps98.7%
Norma MRP<<locked>>90%55,811 psi86%3133 fps100%
Norma URP<<locked>>86%58,566 psi90%3087 fps100%
Ramshot Grand<<locked>>94%58,595 psi90%3186 fps99.5%
Ramshot Hunter<<locked>>86%57,580 psi89%3094 fps100%
Ramshot Magnum<<locked>>96%57,058 psi88%3114 fps99.9%
ReloadSwiss RS 14ᴾ<<locked>>100%38,014 psi58%1995 fps100%
ReloadSwiss RS 62<<locked>>84%56,811 psi87%3074 fps100%
ReloadSwiss RS 70<<locked>>84%55,332 psi85%3104 fps100%
ReloadSwiss RS 76<<locked>>98%56,695 psi87%3222 fps100%
ReloadSwiss RS 80ᴾ<<locked>>100%55,869 psi86%3169 fps98.3%
Rottweil R 904<<locked>>90%58,624 psi90%3084 fps99.2%
Rottweil R 905<<locked>>90%56,550 psi87%3087 fps99.6%
Rottweil R 907<<locked>>84%58,233 psi90%3051 fps99.9%
Shooters World Long Rifle<<locked>>84%56,869 psi87%3015 fps100%
Shooters World SW4350<<locked>>86%58,784 psi90%3068 fps100%
SNPE Vectan Tubal 7000<<locked>>84%56,115 psi86%2969 fps100%
SNPE Vectan Tubal 8000<<locked>>90%56,159 psi86%3084 fps99.6%
Somchem S361<<locked>>88%56,347 psi87%3012 fps98.4%
Somchem S365<<locked>>86%55,709 psi86%3035 fps100%
Somchem S385<<locked>>90%56,985 psi88%3058 fps99.9%
Vihtavuori N150<<locked>>82%56,898 psi88%2953 fps100%
Vihtavuori N160<<locked>>84%56,536 psi87%3025 fps100%
Vihtavuori N165<<locked>>94%56,782 psi87%3041 fps99.8%
Vihtavuori N550<<locked>>84%55,680 psi86%3025 fps100%
Vihtavuori N555<<locked>>90%55,303 psi85%3054 fps100%
Vihtavuori N560<<locked>>90%55,521 psi85%3130 fps98.5%
Vihtavuori N565<<locked>>96%55,637 psi86%3110 fps98.7%
Vihtavuori N568ᴾ<<locked>>100%56,768 psi87%3176 fps97.9%
Winchester 6.5 StaBALL<<locked>>84%56,144 psi86%2976 fps100%
Winchester 760<<locked>>84%58,349 psi90%3110 fps100%
Winchester StaBALL HD<<locked>>94%56,101 psi86%3169 fps100%
Winchester Supreme 780<<locked>>92%57,116 psi88%3058 fps99.6%

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%36,550 psi56%2651 fps97.8%
Accurate 4350<<locked>>80%49,066 psi75%2930 fps100%
Accurate High Country<<locked>>80%40,118 psi62%2828 fps95.1%
Accurate MAGPRO<<locked>>86%47,137 psi73%2972 fps96%
ADI AR 2209<<locked>>80%40,857 psi63%2795 fps96.6%
ADI AR 2213<<locked>>84%42,018 psi65%2851 fps95.7%
ADI AR 2217<<locked>>92%40,538 psi62%2812 fps95.5%
ADI AR 2225<<locked>>90%34,127 psi53%2697 fps96.2%
Alliant Power Pro Varmint<<locked>>80%41,336 psi64%2799 fps96.8%
Alliant Reloder-16<<locked>>80%47,268 psi73%2936 fps100%
Alliant Reloder-19<<locked>>80%40,944 psi63%2792 fps96.7%
Alliant Reloder-22<<locked>>80%36,709 psi56%2723 fps95.2%
Alliant Reloder-23<<locked>>80%35,491 psi55%2684 fps99.8%
Alliant Reloder-25<<locked>>80%30,516 psi47%2582 fps96.2%
Alliant Reloder-26<<locked>>80%39,407 psi61%2835 fps99.5%
Baschieri & Pellagri 109<<locked>>90%50,212 psi77%2953 fps95%
Bofors RP15<<locked>>82%36,535 psi56%2713 fps95%
Bofors RP30<<locked>>90%39,885 psi61%2822 fps95.5%
Bofors RP5<<locked>>80%36,709 psi56%2723 fps95.2%
Bofors RP7<<locked>>80%51,343 psi79%2933 fps99.5%
Hodgdon H1000<<locked>>88%38,812 psi60%2776 fps95.5%
Hodgdon H414<<locked>>80%50,763 psi78%2982 fps99.7%
Hodgdon H4350<<locked>>80%53,200 psi82%3002 fps99.3%
Hodgdon H4831<<locked>>84%44,788 psi69%2858 fps95.9%
Hodgdon H4831 SC<<locked>>84%44,034 psi68%2841 fps95.6%
Hodgdon Hybrid 100V<<locked>>80%44,266 psi68%2808 fps100%
Hodgdon Retumbo71.8 gr86%36,767 psi57%2808 fps96%
Hodgdon Superformance<<locked>>80%50,981 psi78%3015 fps99.6%
Hodgdon TrailBoss<<locked>>80%27,876 psi43%1745 fps100%
IMR 4350<<locked>>80%46,673 psi72%2861 fps98.9%
IMR 4451 Enduron<<locked>>80%52,750 psi81%2963 fps99.8%
IMR 4831<<locked>>80%46,644 psi72%2871 fps100%
IMR 4955 Enduron<<locked>>82%43,323 psi67%2795 fps95.7%
IMR 7828 SSC<<locked>>84%40,393 psi62%2825 fps95.1%
IMR 8133 Enduron<<locked>>98%40,524 psi62%2858 fps95.6%
Lovex S065<<locked>>80%50,227 psi77%2904 fps100%
Lovex S070<<locked>>80%48,559 psi75%2894 fps99.5%
Lovex S071<<locked>>80%31,343 psi48%2520 fps95.9%
Norma 204<<locked>>80%47,166 psi73%2907 fps98.1%
Norma 217<<locked>>94%35,273 psi54%2749 fps96%
Norma MRP<<locked>>80%38,696 psi60%2795 fps97.4%
Norma URP<<locked>>80%48,066 psi74%2913 fps100%
Ramshot Grand<<locked>>84%40,335 psi62%2835 fps95.6%
Ramshot Hunter<<locked>>80%47,065 psi72%2913 fps99.7%
Ramshot Magnum<<locked>>84%35,926 psi55%2700 fps96%
ReloadSwiss RS 14<<locked>>80%28,456 psi44%1785 fps100%
ReloadSwiss RS 62<<locked>>80%49,313 psi76%2949 fps100%
ReloadSwiss RS 70<<locked>>80%47,601 psi73%2969 fps100%
ReloadSwiss RS 7675 gr84%33,388 psi51%2703 fps95.6%
ReloadSwiss RS 80<<locked>>94%44,063 psi68%2943 fps95.3%
Rottweil R 904<<locked>>80%42,221 psi65%2779 fps95.9%
Rottweil R 905<<locked>>80%40,306 psi62%2776 fps96.7%
Rottweil R 907<<locked>>80%51,343 psi79%2933 fps99.5%
Shooters World Long Rifle<<locked>>80%50,227 psi77%2904 fps100%
Shooters World SW4350<<locked>>80%48,559 psi75%2894 fps99.5%
SNPE Vectan Tubal 7000<<locked>>80%49,182 psi76%2851 fps99.5%
SNPE Vectan Tubal 8000<<locked>>80%39,972 psi61%2769 fps96.5%
Somchem S361<<locked>>80%42,873 psi66%2762 fps95.3%
Somchem S365<<locked>>80%45,194 psi70%2864 fps100%
Somchem S385<<locked>>80%40,712 psi63%2753 fps97.6%
Vihtavuori N150<<locked>>80%53,403 psi82%2904 fps100%
Vihtavuori N160<<locked>>80%49,501 psi76%2910 fps100%
Vihtavuori N165<<locked>>80%35,360 psi54%2621 fps95.5%
Vihtavuori N550<<locked>>80%48,921 psi75%2913 fps100%
Vihtavuori N555<<locked>>80%39,566 psi61%2762 fps99.8%
Vihtavuori N56071 gr82%41,640 psi64%2854 fps95%
Vihtavuori N565<<locked>>88%41,916 psi64%2841 fps95.4%
Vihtavuori N568<<locked>>94%45,353 psi70%2959 fps95%
Winchester 6.5 StaBALL<<locked>>80%48,950 psi75%2867 fps100%
Winchester 760<<locked>>80%50,981 psi78%2989 fps99.7%
Winchester StaBALL HD<<locked>>80%32,053 psi49%2703 fps99.9%
Winchester Supreme 780<<locked>>80%37,304 psi57%2674 fps95.5%

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 72 powders for .28 Nosler loaded with the .284 | 146gr | Peregrine Backup (VRG-2). Hodgdon Retumbo delivers the highest muzzle velocity at 3,228 fps; across all powders the maximum-charge window runs from 1,952 fps to 3,228 fps. ADI AR 2217 gives the best case fill at 100 %, and 72 of the 72 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 146.0 gr projectile in 0.284" calls for a 1:12.5 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Bofors RP30 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. Hodgdon Retumbo, ReloadSwiss RS 76, Vihtavuori N560 rank at the top here: for .28 Nosler with the .284 | 146gr | Peregrine Backup (VRG-2) 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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