Load Specifications

Bullet:.355 | 115gr | Speer Hollow Point Gold Dot

Bullet Manufacturer:Speer

Bullet Weight:115 gr

Bullet Diameter:0.355"

Bullet Length:<<locked>>

Caliber:.357 Mag. load data

Case Length (l3):1.29"

Cartridge Length (C.O.L.):<<locked>>

Case Capacity:25.6 Grains of Water

Primer Size:Small Pistol Magnum (SPM)

Barrel Length:6"

Max. allowed Pressure:43,511 psi

Load data in caliber .357 Mag. with .355 | 115gr | Speer Hollow Point Gold Dot bullet and 132 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Rottweil P 806, SNPE Vectan BA7 1/2 and Vihtavuori N350.

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 ≥ 60% and propellant combustion ≥ 80%. 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.

A valid access license is required to use the Personalized Load Calculator.

You can find more information in our FAQ: How can I use the Personalized Load Calculator?

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Filter by Powder Brand

Min Fill Rate (60%)

Min Burn Rate (80%)

% of allowable P. (90%)

Max Load - Barrel Length: 6"

Powder	Charge	FR	MaxP	%	V(0)	z
Accurate No. 2²	<<locked>>	76%	37,130 psi	85%	1542 fps	100%
Accurate No. 2²	<<locked>>	76%	38,392 psi	88%	1572 fps	100%
Accurate No. 5²	<<locked>>	64%	38,972 psi	90%	1670 fps	99.2%
Accurate No. 7*	<<locked>>	80%	39,160 psi	90%	1722 fps	91.1%
Accurate No. 7*²	<<locked>>	76%	36,114 psi	83%	1690 fps	90.4%
Accurate Solo 1000	<<locked>>	80%	38,566 psi	89%	1453 fps	100%
Accurate Solo 1000²	<<locked>>	76%	36,651 psi	84%	1440 fps	100%
Accurate Solo 1250	<<locked>>	84%	38,508 psi	89%	1519 fps	100%
Accurate Solo 1250	<<locked>>	80%	35,650 psi	82%	1493 fps	100%
ADI AP 100ᴾ	<<locked>>	100%	37,072 psi	85%	1637 fps	97.9%
ADI AP 100ᴾ	<<locked>>	100%	38,725 psi	89%	1677 fps	98.6%
ADI AP 70N²	<<locked>>	68%	35,839 psi	82%	1503 fps	100%
ADI AP 70N²	<<locked>>	68%	37,188 psi	85%	1532 fps	100%
ADI APS 350²	<<locked>>	76%	36,927 psi	85%	1312 fps	100%
ADI APS 350²	<<locked>>	76%	37,956 psi	87%	1339 fps	100%
ADI APS 450	<<locked>>	80%	39,305 psi	90%	1378 fps	100%
ADI APS 450²	<<locked>>	76%	36,608 psi	84%	1358 fps	100%
ADI AS 30	<<locked>>	80%	37,898 psi	87%	1411 fps	100%
ADI AS 30	<<locked>>	80%	38,711 psi	89%	1434 fps	100%
ADI AS 50N²	<<locked>>	76%	37,623 psi	86%	1460 fps	100%
ADI AS 50N²	<<locked>>	76%	39,204 psi	90%	1493 fps	100%
Alliant BE-86	<<locked>>	80%	35,853 psi	82%	1467 fps	100%
Alliant BE-86	<<locked>>	80%	37,420 psi	86%	1499 fps	100%
Alliant BLUE DOT*ᴾ	<<locked>>	100%	36,216 psi	83%	1663 fps	88.6%
Alliant BLUE DOT*ᴾ	<<locked>>	100%	37,942 psi	87%	1706 fps	90%
Alliant BULLSEYE²	<<locked>>	72%	35,969 psi	83%	1565 fps	100%
Alliant BULLSEYE²	<<locked>>	72%	37,362 psi	86%	1598 fps	100%
Alliant Green Dot	<<locked>>	80%	37,971 psi	87%	1467 fps	100%
Alliant Green Dot	<<locked>>	80%	38,624 psi	89%	1490 fps	100%
Alliant Hercoᴾ	<<locked>>	100%	38,348 psi	88%	1594 fps	100%
Alliant Herco	<<locked>>	96%	36,811 psi	85%	1588 fps	100%
Alliant POWER PISTOL	<<locked>>	84%	38,609 psi	89%	1713 fps	97.8%
Alliant POWER PISTOL	<<locked>>	80%	36,187 psi	83%	1690 fps	97.4%
Alliant RED DOT	<<locked>>	80%	35,926 psi	83%	1411 fps	100%
Alliant RED DOT	<<locked>>	80%	36,912 psi	85%	1434 fps	100%
Alliant Sport Pistol²	<<locked>>	68%	37,347 psi	86%	1588 fps	100%
Alliant Sport Pistol²	<<locked>>	68%	38,595 psi	89%	1617 fps	100%
Alliant UNIQUE	<<locked>>	84%	37,637 psi	87%	1594 fps	100%
Alliant UNIQUE	<<locked>>	80%	35,708 psi	82%	1578 fps	100%
Baschieri & Pellagri 100	<<locked>>	80%	37,927 psi	87%	1450 fps	100%
Baschieri & Pellagri 100	<<locked>>	80%	39,291 psi	90%	1476 fps	100%
Baschieri & Pellagri 102 Pistolᴾ	<<locked>>	100%	38,421 psi	88%	1467 fps	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	96%	36,753 psi	84%	1457 fps	100%
Baschieri & Pellagri 103 Pistol²	<<locked>>	76%	39,030 psi	90%	1480 fps	100%
Baschieri & Pellagri 103 Pistol²	<<locked>>	72%	35,940 psi	83%	1453 fps	100%
Hodgdon CFE Pistol	<<locked>>	80%	38,740 psi	89%	1532 fps	100%
Hodgdon Clays	<<locked>>	88%	37,594 psi	86%	1355 fps	100%
Hodgdon Clays	<<locked>>	88%	39,015 psi	90%	1388 fps	100%
Hodgdon HS-6²	<<locked>>	68%	37,144 psi	85%	1614 fps	99.7%
Hodgdon HS-6²	<<locked>>	68%	38,827 psi	89%	1654 fps	99.9%
Hodgdon Longshot²	<<locked>>	64%	35,955 psi	83%	1594 fps	100%
Hodgdon Longshot²	<<locked>>	64%	37,797 psi	87%	1634 fps	100%
Hodgdon TrailBossᴾ	<<locked>>	100%	16,273 psi	37%	1063 fps	100%
Hodgdon TrailBossᴾ	<<locked>>	100%	16,694 psi	38%	1079 fps	100%
Hodgdon Universal²	<<locked>>	76%	36,695 psi	84%	1512 fps	100%
Hodgdon Universal²	<<locked>>	76%	37,971 psi	87%	1542 fps	100%
Lovex D036²	<<locked>>	64%	38,914 psi	89%	1667 fps	99.2%
Lovex D037.1*	<<locked>>	80%	39,160 psi	90%	1722 fps	91.1%
Lovex D037.1*²	<<locked>>	76%	36,114 psi	83%	1690 fps	90.4%
Lovex S011²	<<locked>>	68%	37,115 psi	85%	1470 fps	100%
Lovex S011²	<<locked>>	68%	38,566 psi	89%	1499 fps	100%
Lovex S020²	<<locked>>	76%	37,956 psi	87%	1545 fps	100%
Lovex S020²	<<locked>>	72%	35,012 psi	80%	1519 fps	100%
Maxam CSB 1	<<locked>>	88%	38,595 psi	89%	1512 fps	100%
Maxam CSB 1	<<locked>>	84%	36,521 psi	84%	1499 fps	100%
Maxam CSB 2	<<locked>>	84%	38,435 psi	88%	1516 fps	100%
Maxam CSB 2	<<locked>>	80%	36,564 psi	84%	1503 fps	100%
Maxam CSB 3	<<locked>>	84%	39,247 psi	90%	1496 fps	100%
Maxam CSB 3	<<locked>>	80%	37,304 psi	86%	1483 fps	100%
Maxam CSB 4	<<locked>>	80%	38,769 psi	89%	1467 fps	100%
Maxam CSB 4²	<<locked>>	76%	36,114 psi	83%	1447 fps	100%
Maxam CSB 5²	<<locked>>	76%	38,957 psi	90%	1411 fps	100%
Maxam CSB 5²	<<locked>>	72%	36,318 psi	83%	1391 fps	100%
Ramshot Silhouette²	<<locked>>	68%	36,492 psi	84%	1575 fps	100%
Ramshot Silhouette²	<<locked>>	68%	37,942 psi	87%	1608 fps	100%
Ramshot True Blue²	<<locked>>	64%	37,130 psi	85%	1604 fps	100%
Ramshot True Blue²	<<locked>>	64%	39,030 psi	90%	1644 fps	100%
ReloadSwiss RS 12²	<<locked>>	72%	37,681 psi	87%	1486 fps	100%
ReloadSwiss RS 12²	<<locked>>	72%	39,189 psi	90%	1516 fps	100%
ReloadSwiss RS 14ᴾ	<<locked>>	100%	14,852 psi	34%	1066 fps	100%
ReloadSwiss RS 14ᴾ	<<locked>>	100%	15,243 psi	35%	1083 fps	100%
ReloadSwiss RS 20	<<locked>>	84%	36,579 psi	84%	1572 fps	100%
ReloadSwiss RS 20	<<locked>>	84%	38,464 psi	88%	1608 fps	100%
ReloadSwiss RS 24*	<<locked>>	84%	35,882 psi	82%	1657 fps	92.1%
ReloadSwiss RS 24*	<<locked>>	84%	37,913 psi	87%	1706 fps	93.5%
Rottweil P 801²	<<locked>>	68%	38,058 psi	87%	1453 fps	100%
Rottweil P 801²	<<locked>>	64%	35,505 psi	82%	1434 fps	100%
Rottweil P 806	<<locked>>	88%	34,766 psi	80%	1670 fps	99.7%
Rottweil P 806	<<locked>>	88%	37,231 psi	86%	1716 fps	100%
Shooters World Auto Pistol²	<<locked>>	64%	38,914 psi	89%	1667 fps	99.2%
Shooters World Major Pistol*	<<locked>>	80%	39,160 psi	90%	1722 fps	91.1%
Shooters World Major Pistol*²	<<locked>>	76%	36,114 psi	83%	1690 fps	90.4%
SNPE Vectan A0	<<locked>>	88%	38,653 psi	89%	1555 fps	100%
SNPE Vectan A0	<<locked>>	84%	36,506 psi	84%	1539 fps	100%
SNPE Vectan A1²	<<locked>>	76%	36,535 psi	84%	1470 fps	100%
SNPE Vectan A1²	<<locked>>	76%	37,420 psi	86%	1496 fps	100%
SNPE Vectan BA 9²	<<locked>>	76%	35,505 psi	82%	1480 fps	100%
SNPE Vectan BA 9²	<<locked>>	76%	36,419 psi	84%	1506 fps	100%
SNPE Vectan BA10²	<<locked>>	72%	36,680 psi	84%	1348 fps	100%
SNPE Vectan BA10²	<<locked>>	72%	37,420 psi	86%	1368 fps	100%
SNPE Vectan BA7 1/2	<<locked>>	92%	38,421 psi	88%	1614 fps	100%
SNPE Vectan BA7 1/2	<<locked>>	88%	35,882 psi	82%	1591 fps	99.9%
SNPE Vectan BA9 1/2	<<locked>>	80%	37,971 psi	87%	1519 fps	100%
SNPE Vectan BA9 1/2	<<locked>>	80%	39,088 psi	90%	1549 fps	100%
SNPE Vectan SP 2²	<<locked>>	76%	34,998 psi	80%	1663 fps	98.1%
SNPE Vectan SP 2²	<<locked>>	76%	37,086 psi	85%	1709 fps	98.8%
Somchem MP200²	<<locked>>	76%	36,289 psi	83%	1565 fps	100%
Somchem MP200²	<<locked>>	76%	37,985 psi	87%	1601 fps	100%
Somchem MS200	<<locked>>	80%	36,027 psi	83%	1535 fps	100%
Somchem MS200	<<locked>>	80%	37,115 psi	85%	1562 fps	100%
Somchem S221²	<<locked>>	72%	37,956 psi	87%	1667 fps	95.8%
Somchem S221²	<<locked>>	68%	34,824 psi	80%	1631 fps	95.1%
Vihtavuori 3N37	<<locked>>	84%	38,000 psi	87%	1631 fps	100%
Vihtavuori 3N37	<<locked>>	84%	39,189 psi	90%	1660 fps	100%
Vihtavuori 3N38*ᴾ	<<locked>>	100%	38,130 psi	88%	1680 fps	93.9%
Vihtavuori 3N38*	<<locked>>	96%	36,637 psi	84%	1673 fps	93.8%
Vihtavuori N105ᴾ	<<locked>>	100%	32,300 psi	74%	1654 fps	95.4%
Vihtavuori N105ᴾ	<<locked>>	100%	34,606 psi	80%	1703 fps	96.6%
Vihtavuori N320²	<<locked>>	76%	37,985 psi	87%	1460 fps	100%
Vihtavuori N320²	<<locked>>	72%	35,288 psi	81%	1437 fps	100%
Vihtavuori N32C Tin Starᴾ	<<locked>>	100%	30,240 psi	70%	1280 fps	100%
Vihtavuori N32C Tin Starᴾ	<<locked>>	100%	30,777 psi	71%	1296 fps	100%
Vihtavuori N330²	<<locked>>	76%	37,318 psi	86%	1519 fps	100%
Vihtavuori N330²	<<locked>>	76%	38,624 psi	89%	1545 fps	100%
Vihtavuori N340	<<locked>>	80%	36,230 psi	83%	1539 fps	100%
Vihtavuori N340	<<locked>>	80%	37,304 psi	86%	1565 fps	100%
Vihtavuori N350	<<locked>>	88%	35,984 psi	83%	1598 fps	100%
Vihtavuori N350	<<locked>>	88%	37,304 psi	86%	1627 fps	100%
Winchester 231²	<<locked>>	64%	34,882 psi	80%	1460 fps	100%
Winchester 231²	<<locked>>	64%	36,129 psi	83%	1490 fps	100%
Winchester AutoComp	<<locked>>	84%	37,318 psi	86%	1519 fps	100%
Winchester AutoComp	<<locked>>	84%	38,696 psi	89%	1549 fps	100%

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

Start Load - Barrel Length: 6"

Powder	Charge	FR	MaxP	%	V(0)	z
Accurate No. 2²	<<locked>>	60%	22,191 psi	51%	1296 fps	99.2%
Accurate No. 2²	<<locked>>	60%	23,018 psi	53%	1322 fps	99.6%
Accurate No. 5²	<<locked>>	60%	33,895 psi	78%	1588 fps	98.2%
Accurate No. 7*²	<<locked>>	72%	29,443 psi	68%	1555 fps	86.1%
Accurate No. 7*²	<<locked>>	72%	31,256 psi	72%	1604 fps	87.8%
Accurate Solo 1000²	<<locked>>	60%	23,714 psi	55%	1234 fps	100%
Accurate Solo 1000²	<<locked>>	60%	24,163 psi	56%	1253 fps	100%
Accurate Solo 1250²	<<locked>>	60%	20,291 psi	47%	1230 fps	100%
Accurate Solo 1250²	<<locked>>	60%	20,653 psi	47%	1247 fps	100%
ADI AP 100*²	<<locked>>	68%	16,592 psi	38%	1201 fps	85.6%
ADI AP 100*²	<<locked>>	68%	17,376 psi	40%	1237 fps	87%
ADI AP 70N²	<<locked>>	60%	28,355 psi	65%	1391 fps	100%
ADI AP 70N²	<<locked>>	60%	29,878 psi	69%	1424 fps	100%
ADI APS 350²	<<locked>>	60%	25,904 psi	60%	1158 fps	100%
ADI APS 350²	<<locked>>	60%	26,542 psi	61%	1181 fps	100%
ADI APS 450²	<<locked>>	60%	24,976 psi	57%	1181 fps	100%
ADI APS 450²	<<locked>>	60%	25,440 psi	58%	1198 fps	100%
ADI AS 30²	<<locked>>	60%	23,583 psi	54%	1201 fps	100%
ADI AS 30²	<<locked>>	60%	24,192 psi	56%	1220 fps	100%
ADI AS 50N²	<<locked>>	60%	25,208 psi	58%	1276 fps	100%
ADI AS 50N²	<<locked>>	60%	25,614 psi	59%	1296 fps	100%
Alliant BE-86²	<<locked>>	60%	20,479 psi	47%	1227 fps	100%
Alliant BE-86²	<<locked>>	60%	21,698 psi	50%	1260 fps	100%
Alliant BLUE DOT*	<<locked>>	96%	32,503 psi	75%	1598 fps	86.7%
Alliant BLUE DOT*	<<locked>>	92%	30,792 psi	71%	1578 fps	86.2%
Alliant BULLSEYE²	<<locked>>	60%	25,512 psi	59%	1388 fps	100%
Alliant BULLSEYE²	<<locked>>	60%	26,426 psi	61%	1417 fps	100%
Alliant Green Dot²	<<locked>>	60%	22,916 psi	53%	1240 fps	100%
Alliant Green Dot²	<<locked>>	60%	24,047 psi	55%	1270 fps	100%
Alliant Herco²	<<locked>>	60%	14,823 psi	34%	1132 fps	97.3%
Alliant Herco²	<<locked>>	60%	15,113 psi	35%	1148 fps	97.7%
Alliant POWER PISTOL*²	<<locked>>	60%	19,072 psi	44%	1306 fps	87%
Alliant POWER PISTOL*²	<<locked>>	60%	20,015 psi	46%	1339 fps	88.4%
Alliant RED DOT²	<<locked>>	60%	22,611 psi	52%	1204 fps	100%
Alliant RED DOT²	<<locked>>	60%	23,264 psi	53%	1224 fps	100%
Alliant Sport Pistol²	<<locked>>	60%	28,993 psi	67%	1457 fps	100%
Alliant Sport Pistol²	<<locked>>	60%	30,371 psi	70%	1493 fps	100%
Alliant UNIQUE²	<<locked>>	60%	19,870 psi	46%	1273 fps	99.5%
Alliant UNIQUE²	<<locked>>	60%	20,697 psi	48%	1302 fps	99.8%
Baschieri & Pellagri 100²	<<locked>>	60%	22,742 psi	52%	1230 fps	100%
Baschieri & Pellagri 100²	<<locked>>	60%	23,105 psi	53%	1243 fps	100%
Baschieri & Pellagri 102 Pistol²	<<locked>>	60%	14,098 psi	32%	1060 fps	100%
Baschieri & Pellagri 102 Pistol²	<<locked>>	60%	14,866 psi	34%	1086 fps	100%
Baschieri & Pellagri 103 Pistol²	<<locked>>	60%	24,265 psi	56%	1280 fps	100%
Baschieri & Pellagri 103 Pistol²	<<locked>>	60%	25,048 psi	58%	1299 fps	100%
Hodgdon CFE Pistol²	<<locked>>	60%	22,466 psi	52%	1283 fps	100%
Hodgdon Clays²	<<locked>>	60%	20,552 psi	47%	1102 fps	100%
Hodgdon Clays²	<<locked>>	60%	21,132 psi	49%	1122 fps	100%
Hodgdon HS-6²	<<locked>>	60%	28,036 psi	64%	1467 fps	97.8%
Hodgdon HS-6²	<<locked>>	60%	29,254 psi	67%	1499 fps	98.4%
Hodgdon Longshot²	<<locked>>	60%	31,227 psi	72%	1519 fps	99.5%
Hodgdon Longshot²	<<locked>>	60%	32,474 psi	75%	1552 fps	99.8%
Hodgdon TrailBoss²	<<locked>>	60%	7,368 psi	17%	784 fps	100%
Hodgdon TrailBoss²	<<locked>>	60%	7,614 psi	18%	801 fps	100%
Hodgdon Universal²	<<locked>>	60%	23,786 psi	55%	1309 fps	100%
Hodgdon Universal²	<<locked>>	60%	24,714 psi	57%	1335 fps	100%
Lovex D036²	<<locked>>	60%	33,852 psi	78%	1588 fps	98.2%
Lovex D037.1*²	<<locked>>	72%	29,443 psi	68%	1555 fps	86.1%
Lovex D037.1*²	<<locked>>	72%	31,256 psi	72%	1604 fps	87.8%
Lovex S011²	<<locked>>	60%	29,675 psi	68%	1365 fps	100%
Lovex S011²	<<locked>>	60%	30,530 psi	70%	1391 fps	100%
Lovex S020²	<<locked>>	60%	23,525 psi	54%	1325 fps	100%
Lovex S020²	<<locked>>	60%	24,366 psi	56%	1352 fps	100%
Maxam CSB 1²	<<locked>>	60%	18,913 psi	43%	1194 fps	100%
Maxam CSB 1²	<<locked>>	60%	19,812 psi	46%	1224 fps	100%
Maxam CSB 2²	<<locked>>	60%	20,479 psi	47%	1237 fps	100%
Maxam CSB 2²	<<locked>>	60%	20,943 psi	48%	1257 fps	100%
Maxam CSB 3²	<<locked>>	60%	21,495 psi	49%	1227 fps	100%
Maxam CSB 3²	<<locked>>	60%	22,524 psi	52%	1257 fps	100%
Maxam CSB 4²	<<locked>>	60%	23,250 psi	53%	1240 fps	100%
Maxam CSB 4²	<<locked>>	60%	24,410 psi	56%	1270 fps	100%
Maxam CSB 5²	<<locked>>	60%	26,324 psi	61%	1240 fps	100%
Maxam CSB 5²	<<locked>>	60%	26,818 psi	62%	1257 fps	100%
Ramshot Silhouette²	<<locked>>	60%	28,311 psi	65%	1447 fps	100%
Ramshot Silhouette²	<<locked>>	60%	29,283 psi	67%	1476 fps	100%
Ramshot True Blue²	<<locked>>	60%	32,285 psi	74%	1532 fps	99.7%
Ramshot True Blue²	<<locked>>	60%	33,547 psi	77%	1565 fps	99.9%
ReloadSwiss RS 12²	<<locked>>	60%	26,818 psi	62%	1335 fps	100%
ReloadSwiss RS 12²	<<locked>>	60%	27,818 psi	64%	1358 fps	100%
ReloadSwiss RS 14²	<<locked>>	60%	7,034 psi	16%	781 fps	98%
ReloadSwiss RS 14²	<<locked>>	60%	7,252 psi	17%	797 fps	98.5%
ReloadSwiss RS 20²	<<locked>>	60%	18,275 psi	42%	1247 fps	99.9%
ReloadSwiss RS 20²	<<locked>>	60%	19,087 psi	44%	1276 fps	100%
ReloadSwiss RS 24*²	<<locked>>	72%	25,280 psi	58%	1457 fps	86%
ReloadSwiss RS 24*²	<<locked>>	72%	26,237 psi	60%	1490 fps	87.2%
Rottweil P 801²	<<locked>>	60%	30,153 psi	69%	1348 fps	100%
Rottweil P 801²	<<locked>>	60%	31,763 psi	73%	1381 fps	100%
Rottweil P 806*²	11.1 gr	60%	13,329 psi	31%	1181 fps	86.7%
Rottweil P 806*²	11.1 gr	60%	14,228 psi	33%	1214 fps	88.3%
Shooters World Auto Pistol²	<<locked>>	60%	33,852 psi	78%	1588 fps	98.2%
Shooters World Major Pistol*²	<<locked>>	72%	29,443 psi	68%	1555 fps	86.1%
Shooters World Major Pistol*²	<<locked>>	72%	31,256 psi	72%	1604 fps	87.8%
SNPE Vectan A0²	<<locked>>	60%	18,840 psi	43%	1211 fps	99.2%
SNPE Vectan A0²	<<locked>>	60%	19,566 psi	45%	1237 fps	99.6%
SNPE Vectan A1²	<<locked>>	60%	23,830 psi	55%	1280 fps	100%
SNPE Vectan A1²	<<locked>>	60%	24,497 psi	56%	1302 fps	100%
SNPE Vectan BA 9²	<<locked>>	60%	22,960 psi	53%	1280 fps	100%
SNPE Vectan BA 9²	<<locked>>	60%	23,627 psi	54%	1306 fps	100%
SNPE Vectan BA10²	<<locked>>	60%	27,876 psi	64%	1227 fps	100%
SNPE Vectan BA10²	<<locked>>	60%	28,195 psi	65%	1243 fps	100%
SNPE Vectan BA7 1/2*²	8.1 gr	60%	16,070 psi	37%	1165 fps	91.2%
SNPE Vectan BA7 1/2*²	8.1 gr	60%	16,549 psi	38%	1191 fps	92.1%
SNPE Vectan BA9 1/2²	<<locked>>	60%	22,539 psi	52%	1280 fps	100%
SNPE Vectan BA9 1/2²	<<locked>>	60%	23,366 psi	54%	1306 fps	100%
SNPE Vectan SP 2*²	<<locked>>	60%	20,697 psi	48%	1368 fps	90.9%
SNPE Vectan SP 2*²	<<locked>>	60%	21,654 psi	50%	1404 fps	92.1%
Somchem MP200²	<<locked>>	60%	23,148 psi	53%	1339 fps	99.8%
Somchem MP200²	<<locked>>	60%	23,801 psi	55%	1365 fps	99.9%
Somchem MS200²	<<locked>>	60%	20,900 psi	48%	1270 fps	100%
Somchem MS200²	<<locked>>	60%	21,712 psi	50%	1296 fps	100%
Somchem S221*²	<<locked>>	60%	25,063 psi	58%	1427 fps	89.4%
Somchem S221*²	<<locked>>	60%	26,078 psi	60%	1463 fps	90.6%
Vihtavuori 3N37*²	<<locked>>	60%	18,289 psi	42%	1257 fps	94.5%
Vihtavuori 3N37²	<<locked>>	60%	19,276 psi	44%	1289 fps	95.5%
Vihtavuori 3N38*	<<locked>>	84%	24,555 psi	56%	1434 fps	86.5%
Vihtavuori 3N38*	<<locked>>	80%	23,105 psi	53%	1411 fps	85.9%
Vihtavuori N105*	<<locked>>	84%	20,392 psi	47%	1391 fps	87.1%
Vihtavuori N105*	<<locked>>	80%	18,768 psi	43%	1358 fps	85.8%
Vihtavuori N320²	<<locked>>	60%	24,860 psi	57%	1276 fps	100%
Vihtavuori N320²	<<locked>>	60%	25,309 psi	58%	1296 fps	100%
Vihtavuori N32C Tin Star²	<<locked>>	60%	12,560 psi	29%	955 fps	100%
Vihtavuori N32C Tin Star²	<<locked>>	60%	13,140 psi	30%	978 fps	100%
Vihtavuori N330²	<<locked>>	60%	22,945 psi	53%	1302 fps	100%
Vihtavuori N330²	<<locked>>	60%	24,526 psi	56%	1339 fps	100%
Vihtavuori N340²	<<locked>>	60%	20,059 psi	46%	1257 fps	99.7%
Vihtavuori N340²	<<locked>>	60%	21,379 psi	49%	1296 fps	100%
Vihtavuori N350*²	7.9 gr	60%	15,766 psi	36%	1181 fps	92.5%
Vihtavuori N350*²	7.9 gr	60%	16,346 psi	38%	1207 fps	93.5%
Winchester 231²	<<locked>>	60%	31,082 psi	71%	1407 fps	100%
Winchester 231²	<<locked>>	60%	32,416 psi	75%	1437 fps	100%
Winchester AutoComp ²	<<locked>>	60%	19,754 psi	45%	1230 fps	100%
Winchester AutoComp ²	<<locked>>	60%	20,363 psi	47%	1253 fps	100%

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

* not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.

² fill rate low - you might want to consider using a filler to ensure proper ignition.

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 41 powders for .357 Mag. loaded with the .355 | 115gr | Speer Hollow Point Gold Dot. Rottweil P 806 delivers the highest muzzle velocity at 1,716 fps; across all powders the maximum-charge window runs from 1,063 fps to 1,716 fps. ADI AP 100 gives the best case fill at 100 %, and 41 of the 41 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (300 MPa), the top charges use 34–90 %, leaving at least 10 % headroom. ADI AP 100, ADI AP 100, Alliant Herco 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. Rottweil P 806, SNPE Vectan BA7 1/2, Vihtavuori N350 rank at the top here: for .357 Mag. with the .355 | 115gr | Speer Hollow Point Gold Dot they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ReloadSwiss RS 24, ReloadSwiss RS 24, Vihtavuori 3N38 burn incompletely and react more sensitively to barrel length and temperature. Hodgdon TrailBoss, Hodgdon TrailBoss, ReloadSwiss RS 14 stay subsonic at start load. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.

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Load data for .357 Mag. + .355 | 115gr | Speer Hollow Point Gold Dot

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Max Load - Barrel Length: 6"

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