Load data for 7 x 50 R + .284 | 160gr | Speer Deep Curl Soft Point

7 x 50 R cartridge drawing
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Load Specifications

Bullet Manufacturer:Speer
Bullet Weight:160 gr
Bullet Diameter:0.284"
Bullet Length:<<locked>>
Case Length (l3):1.94"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:34.5 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:23.62"
Max. allowed Pressure:52,939 psi
Recommended Twist Rate:1:12.5

Load data in caliber 7 x 50 R with .284 | 160gr | Speer Deep Curl Soft Point bullet and 50 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: 23.62"

PowderChargeFRMaxP%V(0)z
Accurate 1680<<locked>>86%47,311 psi89%2070 fps100%
Accurate 2015ᴾ<<locked>>100%46,224 psi87%2133 fps99.8%
Accurate 2460<<locked>>98%47,427 psi90%2172 fps98.4%
Accurate 2495ᴾ<<locked>>100%34,040 psi64%2034 fps98.8%
Accurate 2520ᴾ<<locked>>100%44,251 psi84%2169 fps97.5%
Accurate LT-30<<locked>>90%45,600 psi86%2044 fps99.1%
Accurate LT-32<<locked>>90%46,137 psi87%2051 fps97.6%
ADI AR 2207<<locked>>90%46,920 psi89%2110 fps100%
ADI AR 2219<<locked>>92%45,092 psi85%2152 fps99%
ADI Benchmark 8208ᴾ<<locked>>100%45,513 psi86%2139 fps95.7%
Alliant AR-Compᴾ<<locked>>100%42,308 psi80%2152 fps100%
Alliant Reloder-10x<<locked>>96%46,949 psi89%2152 fps100%
Alliant Reloder-7<<locked>>88%46,267 psi87%2087 fps100%
Baschieri & Pellagri 106<<locked>>92%46,050 psi87%2077 fps99.3%
Hodgdon Benchmark<<locked>>98%46,601 psi88%2110 fps96.6%
Hodgdon H322<<locked>>96%46,209 psi87%2169 fps99.1%
Hodgdon H335<<locked>>96%47,384 psi90%2192 fps98.5%
Hodgdon H4198<<locked>>88%47,340 psi89%2077 fps98.9%
Hodgdon TrailBossᴾ<<locked>>100%31,850 psi60%1266 fps100%
IMR 3031ᴾ<<locked>>100%40,335 psi76%2136 fps98.9%
IMR 4198<<locked>>94%46,760 psi88%2103 fps100%
IMR 4227<<locked>>84%47,863 psi90%2051 fps100%
IMR 8208 XBRᴾ<<locked>>100%45,513 psi86%2139 fps95.7%
Lovex D073.4<<locked>>90%45,977 psi87%2152 fps97.6%
Lovex D073.5<<locked>>98%47,892 psi90%2175 fps97.3%
Lovex D073.6ᴾ<<locked>>100%38,928 psi74%2103 fps96.3%
Lovex S053<<locked>>84%46,586 psi88%2014 fps100%
Norma 200<<locked>>92%47,514 psi90%2142 fps100%
Norma 202ᴾ<<locked>>100%40,872 psi77%2103 fps97.5%
ReloadSwiss RS 14ᴾ<<locked>>100%31,328 psi59%1289 fps100%
ReloadSwiss RS 36<<locked>>84%46,760 psi88%2073 fps100%
ReloadSwiss RS 40<<locked>>96%45,977 psi87%2146 fps97.4%
Rottweil R 901ᴾ<<locked>>100%45,310 psi86%2133 fps98.1%
Shooters World AR Plus<<locked>>90%45,977 psi87%2152 fps97.6%
Shooters World Match Rifleᴾ<<locked>>100%38,928 psi74%2103 fps96.3%
SNPE Vectan BA6 1/2<<locked>>88%47,601 psi90%1900 fps100%
SNPE Vectan SP 10<<locked>>92%45,208 psi85%2156 fps98.2%
SNPE Vectan SP 3<<locked>>94%45,382 psi86%2123 fps99.5%
SNPE Vectan Tubal 3000ᴾ<<locked>>100%45,252 psi85%2073 fps98%
SNPE Vectan Tubal 5000ᴾ<<locked>>100%36,216 psi68%1955 fps97%
Somchem S321<<locked>>98%46,296 psi87%2175 fps96.3%
Somchem S335ᴾ<<locked>>100%43,323 psi82%2077 fps98.5%
Vihtavuori N120<<locked>>90%47,079 psi89%2070 fps100%
Vihtavuori N130<<locked>>98%47,863 psi90%2113 fps100%
Vihtavuori N133ᴾ<<locked>>100%44,193 psi83%2077 fps99.6%
Vihtavuori N135ᴾ<<locked>>100%36,405 psi69%2044 fps99%
Vihtavuori N140ᴾ<<locked>>100%39,305 psi74%2054 fps97.3%
Vihtavuori N530ᴾ<<locked>>100%46,137 psi87%2142 fps95.9%
Vihtavuori N540ᴾ<<locked>>100%37,768 psi71%2047 fps96.3%
Winchester 748ᴾ<<locked>>100%44,208 psi84%2169 fps96.3%

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

Start Load - Barrel Length: 23.62"

PowderChargeFRMaxP%V(0)z
Accurate 1680<<locked>>80%39,117 psi74%1962 fps99.6%
Accurate 2015<<locked>>80%24,990 psi47%1768 fps95.2%
Accurate 2460<<locked>>88%34,301 psi65%1975 fps95.4%
Accurate 2495<<locked>>90%24,453 psi46%1841 fps95.8%
Accurate 2520<<locked>>94%35,766 psi68%2041 fps95.4%
Accurate LT-30<<locked>>80%33,678 psi64%1860 fps96.6%
Accurate LT-32<<locked>>82%36,303 psi69%1900 fps95.2%
ADI AR 2207<<locked>>80%34,577 psi65%1939 fps100%
ADI AR 2219<<locked>>80%30,748 psi58%1906 fps95.4%
ADI Benchmark 8208<<locked>>98%42,714 psi81%2096 fps95%
Alliant AR-Comp<<locked>>80%23,221 psi44%1772 fps96.8%
Alliant Reloder-10x<<locked>>80%28,877 psi55%1864 fps98%
Alliant Reloder-7<<locked>>80%36,361 psi69%1942 fps99.6%
Baschieri & Pellagri 106<<locked>>80%31,444 psi59%1847 fps96.2%
Hodgdon Benchmark<<locked>>94%41,263 psi78%2034 fps95.3%
Hodgdon H32220.1 gr82%29,950 psi57%1890 fps95%
Hodgdon H335<<locked>>86%33,910 psi64%1978 fps95.3%
Hodgdon H4198<<locked>>80%37,159 psi70%1926 fps97%
Hodgdon TrailBoss<<locked>>80%23,250 psi44%1125 fps100%
IMR 3031<<locked>>88%28,282 psi53%1906 fps95.3%
IMR 4198<<locked>>80%31,314 psi59%1860 fps99.1%
IMR 4227<<locked>>80%42,511 psi80%1985 fps100%
IMR 8208 XBR<<locked>>98%42,714 psi81%2096 fps95%
Lovex D073.4<<locked>>84%37,188 psi70%2021 fps95.5%
Lovex D073.5<<locked>>92%38,841 psi73%2051 fps95.2%
Lovex D073.6<<locked>>98%36,419 psi69%2060 fps95.5%
Lovex S053<<locked>>80%41,466 psi78%1949 fps100%
Norma 200<<locked>>80%32,735 psi62%1923 fps99.4%
Norma 202<<locked>>94%34,171 psi65%1991 fps95.6%
ReloadSwiss RS 14<<locked>>80%22,960 psi43%1148 fps100%
ReloadSwiss RS 36<<locked>>80%41,640 psi79%2008 fps100%
ReloadSwiss RS 40<<locked>>90%38,000 psi72%2028 fps95.5%
Rottweil R 901<<locked>>90%34,040 psi64%1952 fps95.3%
Shooters World AR Plus22.1 gr84%37,188 psi70%2021 fps95.5%
Shooters World Match Rifle<<locked>>98%36,419 psi69%2060 fps95.5%
SNPE Vectan BA6 1/2<<locked>>80%38,653 psi73%1795 fps100%
SNPE Vectan SP 1022 gr84%34,824 psi66%1991 fps95.6%
SNPE Vectan SP 3<<locked>>80%29,950 psi57%1864 fps96.2%
SNPE Vectan Tubal 3000<<locked>>90%33,504 psi63%1893 fps95.1%
SNPE Vectan Tubal 5000<<locked>>94%30,371 psi57%1850 fps95%
Somchem S321<<locked>>96%42,946 psi81%2129 fps95.5%
Somchem S335<<locked>>88%30,255 psi57%1857 fps95.1%
Vihtavuori N120<<locked>>80%34,809 psi66%1909 fps100%
Vihtavuori N130<<locked>>80%28,282 psi53%1804 fps97.4%
Vihtavuori N133<<locked>>82%25,991 psi49%1759 fps95.2%
Vihtavuori N135<<locked>>88%25,425 psi48%1821 fps95.4%
Vihtavuori N140<<locked>>94%32,634 psi62%1939 fps95.3%
Vihtavuori N530<<locked>>98%43,192 psi82%2100 fps95.1%
Vihtavuori N540<<locked>>98%35,505 psi67%2008 fps95.6%
Winchester 748<<locked>>98%41,495 psi78%2126 fps95.6%

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 75 powders for 7 x 50 R loaded with the .284 | 160gr | Speer Deep Curl Soft Point. Alliant Power Pro 1200-R delivers the highest muzzle velocity at 2,215 fps; across all powders the maximum-charge window runs from 1,266 fps to 2,215 fps. Accurate 2015 gives the best case fill at 100 %, and 75 of the 75 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (365 MPa), the top charges use 59–90 %, leaving at least 10 % headroom. The 160.0 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 x 50 R with the .284 | 160gr | Speer Deep Curl Soft Point they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 2200, Accurate 2230, ADI AR 2206H 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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