Load data for 7 mm B.R. Rem. + .284 | 140gr | Alaska Bullet Works Kodiak SP SPBC

7 mm B.R. Rem. cartridge drawing
Alaska Bullet Works logo

Load Specifications

Bullet Manufacturer:Alaska Bullet Works
Bullet Weight:140 gr
Bullet Diameter:0.284"
Bullet Length:<<locked>>
Case Length (l3):1.51"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:37.5 Grains of Water
Primer Size:Small Rifle (SR)
Barrel Length:24"
Max. allowed Pressure:58,740 psi
Recommended Twist Rate:1:12.5

Load data in caliber 7 mm B.R. Rem. with .284 | 140gr | Alaska Bullet Works Kodiak SP SPBC bullet and 57 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon H322, SNPE Vectan SP 10 and Shooters World AR Plus.

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 1680<<locked>>86%51,213 psi87%2385 fps100%
Accurate 2015ᴾ<<locked>>100%50,937 psi87%2461 fps100%
Accurate 2460<<locked>>96%49,545 psi84%2470 fps98.9%
Accurate 2495ᴾ<<locked>>100%38,667 psi66%2356 fps99.6%
Accurate 2520ᴾ<<locked>>100%49,574 psi84%2510 fps98.7%
Accurate 4064ᴾ<<locked>>100%36,042 psi61%2323 fps97.3%
Accurate LT-30<<locked>>92%52,040 psi89%2398 fps99.8%
Accurate LT-32<<locked>>92%52,562 psi89%2408 fps98.9%
ADI AR 2207<<locked>>90%51,329 psi87%2428 fps100%
ADI AR 2219<<locked>>94%52,837 psi90%2533 fps99.8%
ADI Benchmark 8208ᴾ<<locked>>100%50,285 psi86%2477 fps97.1%
Alliant AR-Compᴾ<<locked>>100%46,963 psi80%2484 fps100%
Alliant Power Pro 1200-R<<locked>>96%50,488 psi86%2566 fps96.8%
Alliant Reloder-10x<<locked>>96%51,938 psi88%2487 fps100%
Alliant Reloder-7<<locked>>88%49,951 psi85%2398 fps100%
Baschieri & Pellagri 106<<locked>>94%53,127 psi90%2431 fps99.9%
Hodgdon Benchmark<<locked>>98%50,372 psi86%2434 fps97.7%
Hodgdon BL-C2ᴾ<<locked>>100%46,949 psi80%2490 fps97.2%
Hodgdon H322<<locked>>96%51,198 psi87%2510 fps99.8%
Hodgdon H335<<locked>>96%52,344 psi89%2533 fps99.4%
Hodgdon H4198<<locked>>88%50,807 psi86%2395 fps99.5%
Hodgdon H4895ᴾ<<locked>>100%47,224 psi80%2470 fps95.9%
Hodgdon TrailBossᴾ<<locked>>100%32,198 psi55%1450 fps100%
IMR 3031ᴾ<<locked>>100%44,773 psi76%2477 fps99.7%
IMR 4198<<locked>>94%50,575 psi86%2421 fps100%
IMR 4227<<locked>>84%51,314 psi87%2359 fps100%
IMR 8208 XBRᴾ<<locked>>100%50,285 psi86%2477 fps97.1%
Lovex D073.4<<locked>>90%50,589 psi86%2487 fps98.6%
Lovex D073.5<<locked>>96%49,821 psi85%2474 fps98%
Lovex D073.6ᴾ<<locked>>100%43,685 psi74%2438 fps97.7%
Lovex S053<<locked>>86%52,547 psi89%2343 fps100%
Norma 200<<locked>>92%52,069 psi89%2467 fps100%
Norma 201ᴾ<<locked>>100%45,629 psi78%2411 fps96.3%
Norma 202ᴾ<<locked>>100%45,513 psi77%2434 fps98.6%
Ramshot X-Terminator<<locked>>98%52,939 psi90%2487 fps96%
ReloadSwiss RS 14ᴾ<<locked>>100%32,111 psi55%1486 fps100%
ReloadSwiss RS 36<<locked>>84%50,778 psi86%2388 fps100%
ReloadSwiss RS 40<<locked>>96%50,879 psi87%2487 fps98.5%
Rottweil R 901ᴾ<<locked>>100%49,922 psi85%2464 fps99%
Shooters World AR Plus<<locked>>90%50,589 psi86%2487 fps98.6%
Shooters World Match Rifleᴾ<<locked>>100%43,685 psi74%2438 fps97.7%
Shooters World Tactical Rifle<<locked>>94%51,605 psi88%2451 fps96.9%
SNPE Vectan BA6 1/2<<locked>>88%51,039 psi87%2185 fps100%
SNPE Vectan SP 10<<locked>>92%50,067 psi85%2493 fps99.1%
SNPE Vectan SP 3<<locked>>96%52,794 psi90%2490 fps100%
SNPE Vectan Tubal 3000ᴾ<<locked>>100%49,734 psi85%2402 fps99%
SNPE Vectan Tubal 5000ᴾ<<locked>>100%39,726 psi68%2267 fps98.2%
Somchem S321<<locked>>98%51,053 psi87%2516 fps97.6%
Somchem S335ᴾ<<locked>>100%47,427 psi81%2395 fps99.3%
Vihtavuori N120<<locked>>90%51,372 psi87%2382 fps100%
Vihtavuori N130<<locked>>98%52,533 psi89%2438 fps100%
Vihtavuori N133ᴾ<<locked>>100%48,747 psi83%2402 fps100%
Vihtavuori N135ᴾ<<locked>>100%40,625 psi69%2369 fps99.7%
Vihtavuori N140ᴾ<<locked>>100%43,294 psi74%2375 fps98.5%
Vihtavuori N530ᴾ<<locked>>100%50,807 psi86%2477 fps97.3%
Vihtavuori N540ᴾ<<locked>>100%41,394 psi70%2362 fps97.6%
Winchester 748ᴾ<<locked>>100%48,631 psi83%2513 fps97.8%

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

Start Load - Barrel Length: 24"

PowderChargeFRMaxP%V(0)z
Accurate 1680<<locked>>80%42,061 psi72%2257 fps99.9%
Accurate 2015<<locked>>80%27,557 psi47%2051 fps96.6%
Accurate 2460<<locked>>84%33,373 psi57%2198 fps95.4%
Accurate 2495<<locked>>86%24,366 psi41%2051 fps95.8%
Accurate 2520<<locked>>90%35,288 psi60%2277 fps95.6%
Accurate 4064<<locked>>94%29,965 psi51%2198 fps95.2%
Accurate LT-30<<locked>>80%36,201 psi62%2149 fps97.7%
Accurate LT-32<<locked>>80%36,593 psi62%2152 fps95.7%
ADI AR 2207<<locked>>80%37,840 psi64%2234 fps100%
ADI AR 2219<<locked>>80%33,446 psi57%2208 fps96.7%
ADI Benchmark 8208<<locked>>94%41,742 psi71%2346 fps95.2%
Alliant AR-Comp<<locked>>80%25,251 psi43%2057 fps98.1%
Alliant Power Pro 1200-R<<locked>>92%44,295 psi75%2467 fps95.4%
Alliant Reloder-10x<<locked>>80%31,633 psi54%2152 fps98.8%
Alliant Reloder-7<<locked>>80%39,262 psi67%2241 fps99.9%
Baschieri & Pellagri 106<<locked>>80%34,185 psi58%2136 fps97.4%
Hodgdon Benchmark<<locked>>90%39,987 psi68%2267 fps95.4%
Hodgdon BL-C2<<locked>>94%38,450 psi65%2349 fps95.1%
Hodgdon H32224 gr80%30,719 psi52%2149 fps95.7%
Hodgdon H335<<locked>>82%32,851 psi56%2201 fps95.3%
Hodgdon H4198<<locked>>80%39,914 psi68%2224 fps98%
Hodgdon H4895<<locked>>98%44,411 psi76%2425 fps95.2%
Hodgdon TrailBoss<<locked>>80%23,815 psi41%1296 fps100%
IMR 3031<<locked>>84%27,195 psi46%2113 fps95.1%
IMR 4198<<locked>>80%33,692 psi57%2149 fps99.6%
IMR 4227<<locked>>80%45,542 psi78%2283 fps100%
IMR 8208 XBR<<locked>>94%41,742 psi71%2346 fps95.2%
Lovex D073.4<<locked>>80%35,723 psi61%2244 fps95.4%
Lovex D073.5<<locked>>88%37,768 psi64%2283 fps95.3%
Lovex D073.6<<locked>>94%35,868 psi61%2300 fps95.8%
Lovex S053<<locked>>80%44,367 psi76%2238 fps100%
Norma 200<<locked>>80%36,013 psi61%2224 fps99.8%
Norma 201<<locked>>96%40,654 psi69%2329 fps95.1%
Norma 202<<locked>>88%31,430 psi54%2175 fps95%
Ramshot X-Terminator<<locked>>96%49,371 psi84%2434 fps95.2%
ReloadSwiss RS 14<<locked>>80%23,496 psi40%1322 fps100%
ReloadSwiss RS 36<<locked>>80%44,744 psi76%2310 fps100%
ReloadSwiss RS 40<<locked>>86%36,796 psi63%2257 fps95.5%
Rottweil R 901<<locked>>86%33,185 psi56%2172 fps95.3%
Shooters World AR Plus25.7 gr80%35,723 psi61%2244 fps95.4%
Shooters World Match Rifle<<locked>>94%35,868 psi61%2300 fps95.8%
Shooters World Tactical Rifle<<locked>>90%45,455 psi77%2362 fps95.6%
SNPE Vectan BA6 1/2<<locked>>80%41,307 psi70%2064 fps100%
SNPE Vectan SP 1025.6 gr80%33,446 psi57%2208 fps95.5%
SNPE Vectan SP 3<<locked>>80%32,430 psi55%2156 fps97.4%
SNPE Vectan Tubal 3000<<locked>>86%32,343 psi55%2110 fps95.1%
SNPE Vectan Tubal 5000<<locked>>90%29,356 psi50%2060 fps95.1%
Somchem S321<<locked>>92%41,872 psi71%2375 fps95.7%
Somchem S335<<locked>>84%29,356 psi50%2067 fps95.1%
Vihtavuori N120<<locked>>80%38,000 psi65%2198 fps100%
Vihtavuori N130<<locked>>80%30,676 psi52%2083 fps98.3%
Vihtavuori N133<<locked>>80%26,701 psi45%1998 fps95.9%
Vihtavuori N135<<locked>>84%24,831 psi42%2028 fps95.4%
Vihtavuori N140<<locked>>90%31,778 psi54%2162 fps95.4%
Vihtavuori N530<<locked>>94%41,858 psi71%2343 fps95.3%
Vihtavuori N540<<locked>>92%32,401 psi55%2192 fps95%
Winchester 748<<locked>>94%40,016 psi68%2369 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 88 powders for 7 mm B.R. Rem. loaded with the .284 | 140gr | Alaska Bullet Works Kodiak SP SPBC. Alliant Power Pro 1200-R delivers the highest muzzle velocity at 2,566 fps; across all powders the maximum-charge window runs from 1,450 fps to 2,566 fps. Accurate 2015 gives the best case fill at 100 %, and 88 of the 88 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (405 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 140.0 gr projectile in 0.284" calls for a 1:12.5 twist; slower twists will usually not stabilise this weight. Accurate 2015, Accurate 2495, Accurate 2520 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 H322, SNPE Vectan SP 10, Shooters World AR Plus rank at the top here: for 7 mm B.R. Rem. with the .284 | 140gr | Alaska Bullet Works Kodiak SP SPBC they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 2200, ADI AR 2208, Alliant Power Pro 2000-MR 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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