Load data for .30 R Blaser + .308 | 150gr | Barnes MRX BT

.30 R Blaser cartridge drawing
Barnes logo

Load Specifications

Bullet Manufacturer:Barnes
Bullet Weight:150 gr
Bullet Diameter:0.308"
Bullet Length:<<locked>>
Case Length (l3):2.677"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:75 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:23.62"
Max. allowed Pressure:58,740 psi
Recommended Twist Rate:1:11.5

Load data in caliber .30 R Blaser with .308 | 150gr | Barnes MRX BT bullet and 89 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Alliant Reloder-17 and Alliant Power Pro 2000-MR.

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: 23.62"

PowderChargeFRMaxP%V(0)z
Accurate 2015<<locked>>84%50,444 psi86%2759 fps100%
Accurate 2460<<locked>>82%51,938 psi88%2822 fps100%
Accurate 2495<<locked>>90%51,343 psi87%2815 fps100%
Accurate 2520<<locked>>86%52,127 psi89%2864 fps100%
Accurate 4064<<locked>>92%51,387 psi87%2854 fps100%
Accurate 4350ᴾ<<locked>>100%51,271 psi87%2917 fps98.5%
ADI AR 2206H<<locked>>88%53,040 psi90%2890 fps99.4%
ADI AR 2208<<locked>>92%50,894 psi87%2838 fps98.8%
ADI Benchmark 8208<<locked>>86%52,025 psi89%2844 fps99.8%
Alliant AR-Comp<<locked>>86%52,214 psi89%2835 fps100%
Alliant Power Pro 2000-MR<<locked>>90%52,518 psi89%2995 fps99%
Alliant Reloder- TS 15.5<<locked>>92%50,256 psi86%2858 fps99.6%
Alliant Reloder-15<<locked>>90%50,894 psi87%2874 fps98.9%
Alliant Reloder-16ᴾ<<locked>>100%50,053 psi85%2927 fps98.6%
Alliant Reloder-17<<locked>>96%50,908 psi87%2963 fps99.7%
Baschieri & Pellagri 107<<locked>>88%52,823 psi90%2900 fps98.8%
Bofors RP3<<locked>>92%50,546 psi86%2867 fps99.7%
Hodgdon Benchmark<<locked>>84%50,792 psi86%2785 fps99.9%
Hodgdon BL-C2<<locked>>86%51,155 psi87%2871 fps99.9%
Hodgdon CFE223<<locked>>84%53,055 psi90%2966 fps99.2%
Hodgdon H322<<locked>>84%51,982 psi88%2841 fps100%
Hodgdon H380<<locked>>92%51,909 psi88%2877 fps98.1%
Hodgdon H414<<locked>>96%52,765 psi90%2940 fps96.3%
Hodgdon H4895<<locked>>86%49,995 psi85%2848 fps99.4%
Hodgdon Hybrid 100Vᴾ<<locked>>100%46,079 psi78%2802 fps99%
Hodgdon LEVERevolution<<locked>>92%52,678 psi90%2930 fps99.8%
Hodgdon TrailBossᴾ<<locked>>100%34,679 psi59%1795 fps100%
Hodgdon VARGET<<locked>>90%50,444 psi86%2838 fps99.4%
IMR 3031<<locked>>90%51,372 psi87%2871 fps100%
IMR 4064<<locked>>94%52,736 psi90%2861 fps99.1%
IMR 4166 Enduron<<locked>>94%52,431 psi89%2825 fps96%
IMR 4831ᴾ<<locked>>100%43,091 psi73%2756 fps96.9%
IMR 4895<<locked>>90%52,185 psi89%2910 fps99.4%
IMR 8208 XBR<<locked>>86%52,025 psi89%2844 fps99.8%
Lovex D073.5<<locked>>82%51,996 psi89%2831 fps100%
Lovex D073.6<<locked>>88%52,127 psi89%2864 fps100%
Lovex S060<<locked>>88%52,968 psi90%2825 fps99.4%
Lovex S062<<locked>>92%53,026 psi90%2871 fps99.9%
Lovex S065<<locked>>98%52,199 psi89%2854 fps97.4%
Lovex S070ᴾ<<locked>>100%53,084 psi90%2887 fps96.5%
Norma 201<<locked>>88%51,532 psi88%2838 fps99.8%
Norma 202<<locked>>88%52,156 psi89%2848 fps100%
Norma 203B<<locked>>90%50,082 psi85%2861 fps99.2%
Norma URPᴾ<<locked>>100%50,720 psi86%2907 fps98.3%
Ramshot Big Game<<locked>>90%50,473 psi86%2881 fps99.1%
Ramshot Hunterᴾ<<locked>>100%49,937 psi85%2897 fps96.5%
Ramshot TAC<<locked>>86%52,649 psi90%2858 fps97.6%
Ramshot Wild Boar<<locked>>86%52,011 psi89%2877 fps99.3%
Ramshot X-Terminator<<locked>>82%49,835 psi85%2792 fps99%
ReloadSwiss RS 14ᴾ<<locked>>100%35,012 psi60%1834 fps100%
ReloadSwiss RS 40<<locked>>82%51,721 psi88%2835 fps100%
ReloadSwiss RS 50<<locked>>92%52,388 psi89%2854 fps96.7%
ReloadSwiss RS 52<<locked>>88%50,749 psi86%2933 fps98.9%
ReloadSwiss RS 60<<locked>>94%50,705 psi86%2972 fps100%
ReloadSwiss RS 62ᴾ<<locked>>100%51,010 psi87%2936 fps98.2%
ReloadSwiss RS 70ᴾ<<locked>>100%51,648 psi88%2963 fps97.9%
Rottweil R 901<<locked>>86%52,359 psi89%2828 fps100%
Rottweil R 902<<locked>>90%51,938 psi88%2835 fps99.8%
Rottweil R 903<<locked>>94%50,169 psi85%2854 fps99.5%
Shooters World Long Rifle<<locked>>98%52,199 psi89%2854 fps97.4%
Shooters World Match Rifle<<locked>>88%52,127 psi89%2864 fps100%
Shooters World Precision<<locked>>92%53,026 psi90%2871 fps99.9%
Shooters World SW4350ᴾ<<locked>>100%53,084 psi90%2887 fps96.5%
SNPE Vectan SP 11<<locked>>94%52,460 psi89%2920 fps99.4%
SNPE Vectan SP 7<<locked>>86%50,589 psi86%2828 fps97.7%
SNPE Vectan SP 9<<locked>>88%51,358 psi87%2858 fps99.3%
SNPE Vectan Tubal 3000<<locked>>86%50,314 psi86%2743 fps100%
SNPE Vectan Tubal 5000<<locked>>92%50,415 psi86%2740 fps100%
SNPE Vectan Tubal 7000<<locked>>98%52,881 psi90%2808 fps96.1%
Somchem S321<<locked>>84%53,127 psi90%2877 fps100%
Somchem S335<<locked>>88%52,721 psi90%2785 fps100%
Somchem S341<<locked>>86%50,372 psi86%2825 fps99.1%
Somchem S355<<locked>>94%50,879 psi87%2858 fps99.5%
Somchem S365ᴾ<<locked>>100%45,092 psi77%2851 fps99.7%
Unknown powder<<locked>>98%51,895 psi88%2917 fps97.9%
Vihtavuori N130<<locked>>84%52,054 psi89%2746 fps100%
Vihtavuori N133<<locked>>90%52,939 psi90%2772 fps100%
Vihtavuori N135<<locked>>90%51,459 psi88%2808 fps100%
Vihtavuori N140<<locked>>90%51,808 psi88%2815 fps100%
Vihtavuori N150ᴾ<<locked>>100%52,228 psi89%2844 fps100%
Vihtavuori N160<<locked>>98%52,663 psi90%2894 fps98.5%
Vihtavuori N530<<locked>>84%51,764 psi88%2854 fps99.9%
Vihtavuori N540<<locked>>90%51,634 psi88%2841 fps100%
Vihtavuori N550<<locked>>98%52,649 psi90%2936 fps98.5%
Vihtavuori N555ᴾ<<locked>>100%37,753 psi64%2710 fps96%
Winchester 6.5 StaBALL<<locked>>98%50,792 psi86%2838 fps99.6%
Winchester 748<<locked>>84%52,707 psi90%2900 fps100%
Winchester 760<<locked>>96%52,765 psi90%2940 fps96.3%
Winchester StaBALL Match<<locked>>82%52,475 psi89%2887 fps99.7%

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

Start Load - Barrel Length: 23.62"

PowderChargeFRMaxP%V(0)z
Accurate 2015<<locked>>80%44,280 psi75%2664 fps100%
Accurate 2460<<locked>>80%48,443 psi82%2769 fps100%
Accurate 2495<<locked>>80%36,492 psi62%2566 fps100%
Accurate 2520<<locked>>80%42,047 psi72%2700 fps99.7%
Accurate 4064<<locked>>80%34,534 psi59%2549 fps99.2%
Accurate 4350<<locked>>92%38,189 psi65%2677 fps95.3%
ADI AR 2206H<<locked>>80%40,944 psi70%2674 fps97.4%
ADI AR 2208<<locked>>82%37,014 psi63%2569 fps95.5%
ADI Benchmark 8208<<locked>>80%43,047 psi73%2690 fps98.9%
Alliant AR-Comp<<locked>>80%42,409 psi72%2687 fps100%
Alliant Power Pro 2000-MR53.8 gr82%39,726 psi68%2743 fps96%
Alliant Reloder- TS 15.5<<locked>>80%33,837 psi58%2530 fps96.2%
Alliant Reloder-15<<locked>>80%36,709 psi62%2598 fps95.6%
Alliant Reloder-16<<locked>>92%38,827 psi66%2697 fps95.5%
Alliant Reloder-1754.2 gr84%33,518 psi57%2595 fps95.3%
Baschieri & Pellagri 107<<locked>>80%40,030 psi68%2667 fps96%
Bofors RP3<<locked>>80%33,243 psi57%2526 fps96.2%
Hodgdon Benchmark<<locked>>80%44,875 psi76%2687 fps99.5%
Hodgdon BL-C2<<locked>>80%41,510 psi71%2703 fps99.1%
Hodgdon CFE223<<locked>>80%45,759 psi78%2841 fps98.1%
Hodgdon H322<<locked>>80%45,556 psi78%2740 fps100%
Hodgdon H380<<locked>>84%39,334 psi67%2644 fps95%
Hodgdon H414<<locked>>94%49,168 psi84%2877 fps95.4%
Hodgdon H4895<<locked>>80%41,263 psi70%2687 fps98%
Hodgdon Hybrid 100V<<locked>>90%33,127 psi56%2530 fps95.3%
Hodgdon LEVERevolution<<locked>>80%34,882 psi59%2589 fps96.7%
Hodgdon TrailBoss<<locked>>80%25,773 psi44%1608 fps100%
Hodgdon VARGET<<locked>>80%36,579 psi62%2569 fps96.7%
IMR 3031<<locked>>80%36,825 psi63%2618 fps100%
IMR 4064<<locked>>82%36,187 psi62%2546 fps95.5%
IMR 4166 Enduron<<locked>>92%49,284 psi84%2769 fps95.2%
IMR 4831<<locked>>96%37,724 psi64%2648 fps95.2%
IMR 4895<<locked>>80%37,579 psi64%2631 fps96.6%
IMR 8208 XBR<<locked>>80%43,047 psi73%2690 fps98.9%
Lovex D073.5<<locked>>80%48,240 psi82%2772 fps99.9%
Lovex D073.6<<locked>>80%39,320 psi67%2648 fps99.4%
Lovex S060<<locked>>80%41,263 psi70%2618 fps97.5%
Lovex S062<<locked>>80%36,013 psi61%2556 fps97.4%
Lovex S065<<locked>>92%43,221 psi74%2694 fps95.2%
Lovex S070<<locked>>98%49,777 psi85%2831 fps95.7%
Norma 201<<locked>>80%39,871 psi68%2628 fps98.3%
Norma 202<<locked>>80%40,045 psi68%2641 fps99.7%
Norma 203B<<locked>>80%36,085 psi61%2589 fps96%
Norma URP<<locked>>92%38,725 psi66%2684 fps95.3%
Ramshot Big Game<<locked>>80%35,621 psi61%2592 fps95.6%
Ramshot Hunter<<locked>>98%46,615 psi79%2838 fps95.7%
Ramshot TAC<<locked>>80%42,960 psi73%2680 fps95.3%
Ramshot Wild Boar<<locked>>80%42,192 psi72%2703 fps97.7%
Ramshot X-Terminator<<locked>>80%46,659 psi79%2736 fps98.5%
ReloadSwiss RS 14<<locked>>80%25,947 psi44%1644 fps100%
ReloadSwiss RS 40<<locked>>80%48,240 psi82%2779 fps100%
ReloadSwiss RS 50<<locked>>88%45,977 psi78%2746 fps95.1%
ReloadSwiss RS 52<<locked>>80%38,203 psi65%2694 fps96%
ReloadSwiss RS 6051.7 gr80%31,299 psi53%2546 fps97%
ReloadSwiss RS 62<<locked>>94%41,031 psi70%2753 fps95.9%
ReloadSwiss RS 70<<locked>>94%41,727 psi71%2766 fps95%
Rottweil R 901<<locked>>80%43,526 psi74%2680 fps99.9%
Rottweil R 902<<locked>>80%37,884 psi64%2579 fps97.9%
Rottweil R 903<<locked>>82%33,359 psi57%2523 fps95.9%
Shooters World Long Rifle<<locked>>92%43,221 psi74%2694 fps95.2%
Shooters World Match Rifle<<locked>>80%39,320 psi67%2648 fps99.4%
Shooters World Precision<<locked>>80%36,013 psi61%2556 fps97.4%
Shooters World SW4350<<locked>>98%49,777 psi85%2831 fps95.7%
SNPE Vectan SP 11<<locked>>82%34,722 psi59%2575 fps95.3%
SNPE Vectan SP 7<<locked>>80%40,814 psi69%2648 fps95.3%
SNPE Vectan SP 9<<locked>>80%39,523 psi67%2638 fps97%
SNPE Vectan Tubal 3000<<locked>>80%41,553 psi71%2598 fps99.8%
SNPE Vectan Tubal 5000<<locked>>80%34,258 psi58%2457 fps99.5%
SNPE Vectan Tubal 7000<<locked>>96%49,240 psi84%2753 fps95.3%
Somchem S321<<locked>>80%46,383 psi79%2766 fps99.5%
Somchem S335<<locked>>80%41,017 psi70%2598 fps100%
Somchem S341<<locked>>80%40,756 psi69%2654 fps97.3%
Somchem S355<<locked>>80%32,314 psi55%2484 fps95.1%
Somchem S365<<locked>>88%30,197 psi51%2510 fps95.6%
Unknown powder<<locked>>92%42,409 psi72%2746 fps95.7%
Vihtavuori N130<<locked>>80%46,021 psi78%2657 fps100%
Vihtavuori N133<<locked>>80%39,059 psi66%2549 fps100%
Vihtavuori N135<<locked>>80%37,130 psi63%2572 fps100%
Vihtavuori N140<<locked>>80%37,492 psi64%2569 fps99.6%
Vihtavuori N150<<locked>>82%29,196 psi50%2388 fps95.5%
Vihtavuori N160<<locked>>90%40,001 psi68%2667 fps95.6%
Vihtavuori N530<<locked>>80%45,150 psi77%2743 fps99.3%
Vihtavuori N540<<locked>>80%37,173 psi63%2582 fps99.4%
Vihtavuori N550<<locked>>90%40,176 psi68%2710 fps95.6%
Vihtavuori N555<<locked>>98%35,317 psi60%2654 fps95.1%
Winchester 6.5 StaBALL<<locked>>86%33,721 psi57%2503 fps95.7%
Winchester 748<<locked>>80%45,788 psi78%2789 fps99.7%
Winchester 760<<locked>>94%49,168 psi84%2877 fps95.4%
Winchester StaBALL Match<<locked>>80%48,718 psi83%2825 fps99.3%

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 102 powders for .30 R Blaser loaded with the .308 | 150gr | Barnes MRX BT. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,995 fps; across all powders the maximum-charge window runs from 1,795 fps to 2,995 fps. Accurate 3100 gives the best case fill at 100 %, and 102 of the 102 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (405 MPa), the top charges use 53–90 %, leaving at least 10 % headroom. The 150.0 gr projectile in 0.308" calls for a 1:11.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate 4350, Alliant Reloder-16 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. ReloadSwiss RS 60, Alliant Reloder-17, Alliant Power Pro 2000-MR rank at the top here: for .30 R Blaser with the .308 | 150gr | Barnes MRX BT they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 3100, Alliant Reloder-26, Hodgdon H4350 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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