Load data for .308 Win. + .308 | 155gr | Atomic 29 HP

.308 Win. cartridge drawing
Atomic 29 logo

Load Specifications

Bullet Manufacturer:Atomic 29
Bullet Weight:155 gr
Bullet Diameter:0.308"
Bullet Length:<<locked>>
Case Length (l3):2.014"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:56 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:24"
Max. allowed Pressure:60,191 psi
Recommended Twist Rate:1:12.5

Load data in caliber .308 Win. with .308 | 155gr | Atomic 29 HP bullet and 82 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Power Pro 1200-R, Hodgdon H335 and Winchester 748.

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>>84%53,403 psi89%2595 fps100%
Accurate 2015<<locked>>96%51,358 psi85%2648 fps100%
Accurate 2200<<locked>>88%53,751 psi89%2733 fps96.7%
Accurate 2230<<locked>>88%53,766 psi89%2736 fps97.1%
Accurate 2460<<locked>>94%53,621 psi89%2710 fps99.8%
Accurate 2495ᴾ<<locked>>100%45,861 psi76%2635 fps100%
Accurate 2520<<locked>>98%54,433 psi90%2762 fps99.7%
Accurate 4064ᴾ<<locked>>100%42,627 psi71%2608 fps99.2%
Accurate LT-30<<locked>>90%54,346 psi90%2618 fps100%
Accurate LT-32<<locked>>88%51,706 psi86%2589 fps99.4%
ADI AR 2206Hᴾ<<locked>>100%54,157 psi90%2756 fps97.7%
ADI AR 2207<<locked>>86%51,343 psi85%2602 fps100%
ADI AR 2219<<locked>>90%53,055 psi88%2723 fps100%
ADI Benchmark 8208<<locked>>98%53,940 psi90%2723 fps98.6%
Alliant AR-Comp<<locked>>98%51,329 psi85%2720 fps100%
Alliant Power Pro 1200-R<<locked>>92%51,140 psi85%2769 fps97.9%
Alliant Reloder- TS 15.5ᴾ<<locked>>100%43,395 psi72%2608 fps96.5%
Alliant Reloder-10x<<locked>>92%52,228 psi87%2671 fps100%
Alliant Reloder-15ᴾ<<locked>>100%47,747 psi79%2677 fps95.9%
Alliant Reloder-7<<locked>>86%52,678 psi88%2618 fps100%
Baschieri & Pellagri 106<<locked>>90%52,924 psi88%2615 fps100%
Baschieri & Pellagri 107ᴾ<<locked>>100%54,201 psi90%2766 fps96.4%
Bofors RP3ᴾ<<locked>>100%42,496 psi71%2608 fps96.4%
Hodgdon Benchmark<<locked>>96%53,606 psi89%2674 fps99%
Hodgdon BL-C2<<locked>>98%51,692 psi86%2749 fps98.9%
Hodgdon CFE223<<locked>>96%54,056 psi90%2831 fps97.1%
Hodgdon H322<<locked>>92%51,459 psi85%2700 fps100%
Hodgdon H335<<locked>>92%52,388 psi87%2720 fps99.8%
Hodgdon H4198<<locked>>86%53,388 psi89%2621 fps100%
Hodgdon H4895ᴾ<<locked>>100%54,462 psi90%2769 fps98.2%
Hodgdon LEVERevolutionᴾ<<locked>>100%49,124 psi82%2733 fps97.7%
Hodgdon TrailBossᴾ<<locked>>100%32,692 psi54%1598 fps100%
Hodgdon VARGETᴾ<<locked>>100%52,939 psi88%2723 fps97.9%
IMR 3031ᴾ<<locked>>100%51,953 psi86%2766 fps100%
IMR 4064ᴾ<<locked>>100%48,008 psi80%2628 fps95.9%
IMR 4198<<locked>>92%53,490 psi89%2638 fps100%
IMR 4227<<locked>>82%53,156 psi88%2566 fps100%
IMR 4895ᴾ<<locked>>100%48,849 psi81%2713 fps96.8%
IMR 8208 XBR<<locked>>98%53,940 psi90%2723 fps98.6%
Lovex D073.4<<locked>>88%54,346 psi90%2730 fps99.6%
Lovex D073.5<<locked>>94%53,664 psi89%2717 fps99.2%
Lovex D073.6ᴾ<<locked>>100%51,692 psi86%2736 fps99.5%
Lovex S053<<locked>>82%51,634 psi86%2510 fps100%
Lovex S060<<locked>>98%52,518 psi87%2651 fps97.3%
Lovex S062ᴾ<<locked>>100%46,601 psi77%2628 fps97.6%
Norma 200<<locked>>88%52,127 psi87%2648 fps100%
Norma 201ᴾ<<locked>>100%52,344 psi87%2703 fps98.5%
Norma 202ᴾ<<locked>>100%52,750 psi88%2726 fps99.8%
Norma 203Bᴾ<<locked>>100%46,746 psi78%2667 fps96.3%
Ramshot Big Gameᴾ<<locked>>100%47,485 psi79%2684 fps95.9%
Ramshot Wild Boar<<locked>>98%53,316 psi89%2749 fps97.4%
Ramshot X-Terminator<<locked>>94%52,750 psi88%2680 fps97.1%
ReloadSwiss RS 14ᴾ<<locked>>100%32,692 psi54%1634 fps100%
ReloadSwiss RS 36<<locked>>82%53,055 psi88%2598 fps100%
ReloadSwiss RS 40<<locked>>94%54,346 psi90%2726 fps99.5%
ReloadSwiss RS 52ᴾ<<locked>>100%50,227 psi83%2782 fps96.3%
ReloadSwiss RS 60ᴾ<<locked>>100%41,771 psi69%2641 fps97.4%
Rottweil R 901<<locked>>98%53,330 psi89%2703 fps99.8%
Rottweil R 902ᴾ<<locked>>100%49,284 psi82%2648 fps98%
Shooters World AR Plus<<locked>>88%54,346 psi90%2730 fps99.6%
Shooters World Match Rifleᴾ<<locked>>100%51,692 psi86%2736 fps99.5%
Shooters World Precisionᴾ<<locked>>100%46,601 psi77%2628 fps97.6%
Shooters World Tactical Rifle<<locked>>90%51,503 psi86%2644 fps97.9%
SNPE Vectan BA6 1/2<<locked>>86%52,707 psi88%2372 fps100%
SNPE Vectan SP 10<<locked>>90%53,505 psi89%2730 fps99.8%
SNPE Vectan SP 3<<locked>>92%53,519 psi89%2687 fps100%
SNPE Vectan SP 9ᴾ<<locked>>100%52,591 psi87%2726 fps97.3%
SNPE Vectan Tubal 3000<<locked>>98%52,692 psi88%2631 fps99.7%
SNPE Vectan Tubal 5000ᴾ<<locked>>100%45,078 psi75%2530 fps99.6%
Somchem S321<<locked>>94%51,779 psi86%2717 fps98.6%
Somchem S335ᴾ<<locked>>100%54,070 psi90%2671 fps100%
Somchem S341<<locked>>98%51,517 psi86%2694 fps97%
Vihtavuori N120<<locked>>86%51,430 psi85%2556 fps100%
Vihtavuori N130<<locked>>94%52,721 psi88%2621 fps100%
Vihtavuori N133<<locked>>98%52,054 psi86%2625 fps100%
Vihtavuori N135ᴾ<<locked>>100%47,224 psi78%2638 fps100%
Vihtavuori N140ᴾ<<locked>>100%49,850 psi83%2657 fps99.8%
Vihtavuori N150ᴾ<<locked>>100%39,624 psi66%2500 fps96.4%
Vihtavuori N530<<locked>>96%51,242 psi85%2677 fps98.3%
Vihtavuori N540ᴾ<<locked>>100%48,080 psi80%2648 fps99.4%
Winchester 748<<locked>>98%52,750 psi88%2769 fps99.2%
Winchester StaBALL Matchᴾ<<locked>>100%51,619 psi86%2733 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%46,775 psi78%2503 fps100%
Accurate 2015<<locked>>80%30,821 psi51%2283 fps98.4%
Accurate 2200<<locked>>84%46,891 psi78%2621 fps95.2%
Accurate 2230<<locked>>84%46,789 psi78%2628 fps95.6%
Accurate 2460<<locked>>80%33,170 psi55%2356 fps96.3%
Accurate 2495<<locked>>80%23,090 psi38%2152 fps95.9%
Accurate 2520<<locked>>82%30,821 psi51%2343 fps95%
Accurate 4064<<locked>>88%28,776 psi48%2320 fps95.6%
Accurate LT-30<<locked>>80%40,118 psi67%2395 fps99.2%
Accurate LT-32<<locked>>80%40,495 psi67%2405 fps97.8%
ADI AR 2206H<<locked>>94%44,715 psi74%2605 fps95.7%
ADI AR 2207<<locked>>80%42,685 psi71%2477 fps100%
ADI AR 2219<<locked>>80%37,782 psi63%2470 fps98.7%
ADI Benchmark 8208<<locked>>88%39,349 psi65%2480 fps95.7%
Alliant AR-Comp<<locked>>80%28,369 psi47%2303 fps99.6%
Alliant Power Pro 1200-R36.3 gr84%39,305 psi65%2556 fps95.1%
Alliant Reloder- TS 15.5<<locked>>96%38,218 psi63%2510 fps95.1%
Alliant Reloder-10x<<locked>>80%35,795 psi59%2402 fps99.8%
Alliant Reloder-15<<locked>>98%44,614 psi74%2625 fps95.1%
Alliant Reloder-7<<locked>>80%43,729 psi73%2487 fps100%
Baschieri & Pellagri 106<<locked>>80%38,406 psi64%2385 fps99.1%
Baschieri & Pellagri 107<<locked>>98%50,430 psi84%2707 fps95.6%
Bofors RP3<<locked>>98%39,871 psi66%2559 fps95.7%
Hodgdon Benchmark<<locked>>82%35,070 psi58%2346 fps95%
Hodgdon BL-C2<<locked>>88%36,492 psi61%2484 fps95.6%
Hodgdon CFE223<<locked>>92%47,007 psi78%2713 fps95.5%
Hodgdon H322<<locked>>80%34,432 psi57%2402 fps97.9%
Hodgdon H33536.9 gr80%34,737 psi58%2411 fps97%
Hodgdon H4198<<locked>>80%44,324 psi74%2484 fps99.4%
Hodgdon H4895<<locked>>92%42,032 psi70%2566 fps95.7%
Hodgdon LEVERevolution<<locked>>94%40,306 psi67%2572 fps95.5%
Hodgdon TrailBoss<<locked>>80%24,047 psi40%1424 fps100%
Hodgdon VARGET<<locked>>92%41,147 psi68%2526 fps95.2%
IMR 3031<<locked>>80%27,180 psi45%2274 fps96.2%
IMR 4064<<locked>>98%45,237 psi75%2582 fps95.2%
IMR 4198<<locked>>80%37,550 psi62%2392 fps100%
IMR 4227<<locked>>80%49,966 psi83%2523 fps100%
IMR 4895<<locked>>96%42,627 psi71%2605 fps95.3%
IMR 8208 XBR<<locked>>88%39,349 psi65%2480 fps95.7%
Lovex D073.4<<locked>>80%40,785 psi68%2513 fps97.8%
Lovex D073.5<<locked>>82%35,331 psi59%2405 fps95.6%
Lovex D073.6<<locked>>86%31,778 psi53%2375 fps95.3%
Lovex S053<<locked>>80%48,994 psi81%2474 fps100%
Lovex S060<<locked>>92%43,555 psi72%2507 fps95.3%
Lovex S062<<locked>>94%38,638 psi64%2487 fps95.7%
Norma 200<<locked>>80%40,321 psi67%2467 fps100%
Norma 201<<locked>>90%38,189 psi63%2461 fps95.5%
Norma 202<<locked>>82%29,370 psi49%2287 fps95.1%
Norma 203B<<locked>>98%43,656 psi73%2612 fps95.5%
Ramshot Big Game<<locked>>98%44,483 psi74%2631 fps95.1%
Ramshot Wild Boar<<locked>>92%43,395 psi72%2589 fps95.2%
Ramshot X-Terminator<<locked>>88%43,178 psi72%2523 fps95%
ReloadSwiss RS 14<<locked>>80%24,192 psi40%1463 fps100%
ReloadSwiss RS 36<<locked>>80%49,995 psi83%2559 fps100%
ReloadSwiss RS 40<<locked>>80%34,185 psi57%2372 fps95.7%
ReloadSwiss RS 52<<locked>>98%46,920 psi78%2726 fps95.5%
ReloadSwiss RS 60<<locked>>96%36,666 psi61%2526 fps95.5%
Rottweil R 901<<locked>>80%30,850 psi51%2283 fps95.4%
Rottweil R 902<<locked>>92%38,522 psi64%2457 fps95.5%
Shooters World AR Plus<<locked>>80%40,785 psi68%2513 fps97.8%
Shooters World Match Rifle<<locked>>86%31,778 psi53%2375 fps95.3%
Shooters World Precision<<locked>>94%38,638 psi64%2487 fps95.7%
Shooters World Tactical Rifle<<locked>>82%38,957 psi65%2434 fps95.1%
SNPE Vectan BA6 1/2<<locked>>80%44,701 psi74%2270 fps100%
SNPE Vectan SP 10<<locked>>80%38,159 psi63%2474 fps97.9%
SNPE Vectan SP 3<<locked>>80%36,593 psi61%2411 fps99.1%
SNPE Vectan SP 9<<locked>>94%43,163 psi72%2572 fps95.2%
SNPE Vectan Tubal 3000<<locked>>80%30,008 psi50%2218 fps95.3%
SNPE Vectan Tubal 5000<<locked>>84%27,369 psi45%2172 fps95.4%
Somchem S321<<locked>>84%36,579 psi61%2448 fps95.2%
Somchem S335<<locked>>80%29,153 psi48%2218 fps96%
Somchem S341<<locked>>94%45,092 psi75%2592 fps95.5%
Vihtavuori N120<<locked>>80%42,786 psi71%2434 fps100%
Vihtavuori N130<<locked>>80%34,316 psi57%2320 fps99.6%
Vihtavuori N133<<locked>>80%29,820 psi50%2234 fps98%
Vihtavuori N135<<locked>>80%24,787 psi41%2178 fps96.4%
Vihtavuori N140<<locked>>84%29,820 psi50%2277 fps95.7%
Vihtavuori N150<<locked>>98%36,999 psi61%2448 fps95.6%
Vihtavuori N530<<locked>>88%39,233 psi65%2474 fps95.8%
Vihtavuori N540<<locked>>86%30,313 psi50%2303 fps95.3%
Winchester 74838.9 gr86%35,259 psi59%2451 fps95.4%
Winchester StaBALL Match<<locked>>94%42,250 psi70%2575 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 94 powders for .308 Win. loaded with the .308 | 155gr | Atomic 29 HP. Hodgdon CFE223 delivers the highest muzzle velocity at 2,831 fps; across all powders the maximum-charge window runs from 1,598 fps to 2,831 fps. Accurate 2495 gives the best case fill at 100 %, and 94 of the 94 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (415 MPa), the top charges use 54–90 %, leaving at least 10 % headroom. The 155.0 gr projectile in 0.308" calls for a 1:12.5 twist; slower twists will usually not stabilise this weight. Accurate 2495, Accurate 4064, ADI AR 2206H 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 Power Pro 1200-R, Hodgdon H335, Winchester 748 rank at the top here: for .308 Win. with the .308 | 155gr | Atomic 29 HP they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Alliant Reloder-17, Hodgdon H380, IMR 4166 Enduron 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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