Load data for .30 Fl. N.E. Purdey + .308 | 180gr | Peregrine Bushmaster (VRG-3)

.30 Fl. N.E. Purdey cartridge drawing
Peregrine logo

Load Specifications

Bullet Manufacturer:Peregrine
Bullet Weight:180 gr
Bullet Diameter:0.308"
Bullet Length:<<locked>>
Case Length (l3):2.313"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:58 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:26"
Max. allowed Pressure:46,412 psi
Recommended Twist Rate:1:13.0

Load data in caliber .30 Fl. N.E. Purdey with .308 | 180gr | Peregrine Bushmaster (VRG-3) bullet and 129 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 Hodgdon LEVERevolution.

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.

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?

Max Load - Barrel Length: 26"

PowderChargeFRMaxP%V(0)z
Accurate 2015<<locked>>84%40,596 psi87%2326 fps100%
Accurate 2015<<locked>>84%40,089 psi86%2313 fps100%
Accurate 2460<<locked>>82%40,944 psi88%2365 fps99.7%
Accurate 2460<<locked>>82%40,770 psi88%2359 fps99.6%
Accurate 2495<<locked>>92%41,524 psi89%2405 fps100%
Accurate 2495<<locked>>92%41,307 psi89%2398 fps100%
Accurate 2520<<locked>>86%41,713 psi90%2415 fps99.6%
Accurate 2520<<locked>>86%41,510 psi89%2411 fps99.6%
Accurate 4064<<locked>>94%41,437 psi89%2431 fps100%
Accurate 4064<<locked>>94%41,234 psi89%2428 fps99.9%
ADI AR 2206H<<locked>>86%39,711 psi86%2372 fps97%
ADI AR 2206H<<locked>>88%41,959 psi90%2411 fps97.5%
ADI AR 2208<<locked>>92%40,727 psi88%2372 fps96.4%
ADI AR 2208<<locked>>92%40,538 psi87%2365 fps96.3%
ADI Benchmark 8208<<locked>>84%39,392 psi85%2343 fps98%
ADI Benchmark 8208<<locked>>86%41,916 psi90%2385 fps98.5%
Alliant AR-Comp<<locked>>86%40,350 psi87%2388 fps100%
Alliant AR-Comp<<locked>>86%40,118 psi86%2385 fps100%
Alliant Power Pro 2000-MR<<locked>>90%41,133 psi89%2484 fps96%
Alliant Reloder- TS 15.5<<locked>>94%41,742 psi90%2434 fps98.3%
Alliant Reloder- TS 15.5<<locked>>94%41,263 psi89%2425 fps98.2%
Alliant Reloder-15<<locked>>90%39,885 psi86%2398 fps96.5%
Alliant Reloder-15<<locked>>90%39,755 psi86%2395 fps96.4%
Alliant Reloder-17<<locked>>98%41,829 psi90%2510 fps97.8%
Alliant Reloder-17<<locked>>98%41,452 psi89%2497 fps97.6%
Baschieri & Pellagri 107<<locked>>88%41,321 psi89%2421 fps96.1%
Baschieri & Pellagri 107<<locked>>88%41,205 psi89%2415 fps96%
Bofors RP3<<locked>>94%41,002 psi88%2438 fps98.3%
Bofors RP3<<locked>>94%40,538 psi87%2428 fps98.2%
Hodgdon Benchmark<<locked>>84%41,959 psi90%2343 fps98.9%
Hodgdon Benchmark<<locked>>84%41,800 psi90%2339 fps98.9%
Hodgdon BL-C2<<locked>>86%39,624 psi85%2405 fps98.7%
Hodgdon BL-C2<<locked>>86%39,436 psi85%2398 fps98.6%
Hodgdon CFE223<<locked>>84%41,104 psi89%2470 fps96.7%
Hodgdon CFE223<<locked>>84%40,611 psi88%2457 fps96.6%
Hodgdon H322<<locked>>82%41,959 psi90%2392 fps100%
Hodgdon H4895<<locked>>86%39,929 psi86%2385 fps97.6%
Hodgdon H4895<<locked>>86%39,755 psi86%2379 fps97.5%
Hodgdon Hybrid 100Vᴾ<<locked>>100%35,360 psi76%2320 fps95.8%
Hodgdon LEVERevolution<<locked>>90%40,553 psi87%2444 fps98.2%
Hodgdon LEVERevolution<<locked>>90%40,422 psi87%2441 fps98.1%
Hodgdon TrailBossᴾ<<locked>>100%33,750 psi73%1506 fps100%
Hodgdon TrailBossᴾ<<locked>>100%33,678 psi73%1503 fps100%
Hodgdon VARGET<<locked>>88%41,191 psi89%2388 fps97.8%
Hodgdon VARGET<<locked>>88%41,046 psi88%2382 fps97.7%
IMR 3031<<locked>>88%41,075 psi89%2434 fps100%
IMR 3031<<locked>>88%40,495 psi87%2421 fps100%
IMR 4064<<locked>>90%40,219 psi87%2356 fps96.5%
IMR 4064<<locked>>90%39,740 psi86%2346 fps96.4%
IMR 4895<<locked>>90%40,799 psi88%2428 fps97.4%
IMR 4895<<locked>>90%40,654 psi88%2425 fps97.3%
IMR 8208 XBR<<locked>>84%39,392 psi85%2343 fps98%
IMR 8208 XBR<<locked>>86%41,916 psi90%2385 fps98.5%
Lovex D073.5<<locked>>82%40,741 psi88%2365 fps99%
Lovex D073.5<<locked>>82%40,553 psi87%2362 fps99%
Lovex D073.6<<locked>>88%39,987 psi86%2398 fps99.4%
Lovex D073.6<<locked>>88%39,842 psi86%2395 fps99.4%
Lovex S060<<locked>>86%41,031 psi88%2326 fps97.2%
Lovex S060<<locked>>86%40,886 psi88%2320 fps97.1%
Lovex S062<<locked>>92%41,814 psi90%2402 fps98.6%
Lovex S062<<locked>>92%41,669 psi90%2398 fps98.6%
Norma 201<<locked>>88%41,104 psi89%2375 fps98.5%
Norma 201<<locked>>88%40,901 psi88%2369 fps98.4%
Norma 202<<locked>>88%41,220 psi89%2392 fps99.8%
Norma 202<<locked>>88%41,046 psi88%2385 fps99.8%
Norma 203B<<locked>>92%41,872 psi90%2438 fps97.6%
Norma 203B<<locked>>92%41,350 psi89%2428 fps97.4%
Ramshot Big Game<<locked>>92%41,626 psi90%2451 fps97.2%
Ramshot Big Game<<locked>>92%41,510 psi89%2444 fps97.1%
Ramshot Wild Boar<<locked>>86%40,843 psi88%2405 fps97.2%
Ramshot Wild Boar<<locked>>86%40,683 psi88%2398 fps97.1%
Ramshot X-Terminator<<locked>>82%40,248 psi87%2336 fps96.8%
Ramshot X-Terminator<<locked>>82%40,074 psi86%2329 fps96.7%
ReloadSwiss RS 14ᴾ<<locked>>100%33,924 psi73%1542 fps100%
ReloadSwiss RS 14ᴾ<<locked>>100%33,852 psi73%1539 fps100%
ReloadSwiss RS 40<<locked>>82%41,872 psi90%2382 fps99.4%
ReloadSwiss RS 40<<locked>>82%41,350 psi89%2369 fps99.3%
ReloadSwiss RS 52<<locked>>90%41,597 psi90%2493 fps96.9%
ReloadSwiss RS 52<<locked>>90%41,133 psi89%2480 fps96.7%
ReloadSwiss RS 60<<locked>>96%41,901 psi90%2523 fps99.6%
ReloadSwiss RS 60<<locked>>96%41,495 psi89%2513 fps99.5%
Rottweil R 901<<locked>>84%39,813 psi86%2333 fps99.5%
Rottweil R 901<<locked>>84%39,595 psi85%2326 fps99.5%
Rottweil R 902<<locked>>90%41,423 psi89%2372 fps98.5%
Rottweil R 902<<locked>>90%41,263 psi89%2369 fps98.4%
Rottweil R 903<<locked>>96%40,611 psi88%2421 fps98%
Rottweil R 903<<locked>>96%40,437 psi87%2418 fps97.9%
Shooters World Match Rifle<<locked>>88%39,987 psi86%2398 fps99.4%
Shooters World Match Rifle<<locked>>88%39,842 psi86%2395 fps99.4%
Shooters World Precision<<locked>>92%41,814 psi90%2402 fps98.6%
Shooters World Precision<<locked>>92%41,669 psi90%2398 fps98.6%
SNPE Vectan SP 11<<locked>>94%40,234 psi87%2431 fps96.9%
SNPE Vectan SP 11<<locked>>94%40,147 psi87%2428 fps96.8%
SNPE Vectan SP 9<<locked>>88%40,828 psi88%2392 fps97.2%
SNPE Vectan SP 9<<locked>>88%40,393 psi87%2382 fps97%
SNPE Vectan Tubal 3000<<locked>>86%41,133 psi89%2306 fps99.7%
SNPE Vectan Tubal 3000<<locked>>86%40,915 psi88%2300 fps99.7%
SNPE Vectan Tubal 5000<<locked>>92%40,147 psi87%2303 fps100%
SNPE Vectan Tubal 5000<<locked>>92%40,001 psi86%2300 fps99.9%
Somchem S321<<locked>>82%39,218 psi85%2362 fps98.3%
Somchem S321<<locked>>84%41,756 psi90%2405 fps98.7%
Somchem S335<<locked>>86%40,147 psi87%2306 fps99.9%
Somchem S335<<locked>>86%40,001 psi86%2303 fps99.9%
Somchem S341<<locked>>86%39,392 psi85%2356 fps96.7%
Somchem S341<<locked>>88%41,959 psi90%2398 fps97.3%
Somchem S355<<locked>>94%39,392 psi85%2385 fps97.4%
Somchem S355<<locked>>96%41,698 psi90%2421 fps97.9%
Somchem S365ᴾ<<locked>>100%34,127 psi74%2359 fps97.1%
Somchem S365ᴾ<<locked>>100%33,765 psi73%2349 fps96.9%
Vihtavuori N130<<locked>>82%41,075 psi89%2290 fps100%
Vihtavuori N130<<locked>>82%40,872 psi88%2283 fps100%
Vihtavuori N133<<locked>>86%41,075 psi89%2306 fps100%
Vihtavuori N133<<locked>>86%40,843 psi88%2300 fps100%
Vihtavuori N135<<locked>>90%40,045 psi86%2365 fps100%
Vihtavuori N135<<locked>>90%39,813 psi86%2359 fps100%
Vihtavuori N140<<locked>>90%41,684 psi90%2379 fps99.9%
Vihtavuori N140<<locked>>90%41,220 psi89%2365 fps99.9%
Vihtavuori N150<<locked>>96%40,321 psi87%2375 fps98.7%
Vihtavuori N150<<locked>>96%40,176 psi87%2369 fps98.7%
Vihtavuori N530<<locked>>84%39,262 psi85%2336 fps98.1%
Vihtavuori N530<<locked>>86%41,916 psi90%2379 fps98.6%
Vihtavuori N540<<locked>>90%39,856 psi86%2365 fps99.6%
Vihtavuori N540<<locked>>90%39,740 psi86%2362 fps99.6%
Winchester 6.5 StaBALL<<locked>>98%39,798 psi86%2365 fps97.1%
Winchester 6.5 StaBALL<<locked>>98%39,479 psi85%2356 fps97%
Winchester 748<<locked>>86%40,495 psi87%2421 fps99.1%
Winchester 748<<locked>>86%40,335 psi87%2415 fps99%
Winchester StaBALL Match<<locked>>88%39,769 psi86%2395 fps97.6%
Winchester StaBALL Match<<locked>>88%39,595 psi85%2388 fps97.5%

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

Start Load - Barrel Length: 26"

PowderChargeFRMaxP%V(0)z
Accurate 2015<<locked>>80%35,578 psi77%2238 fps100%
Accurate 2015<<locked>>80%35,360 psi76%2231 fps100%
Accurate 2460<<locked>>80%38,276 psi82%2320 fps99.4%
Accurate 2460<<locked>>80%38,058 psi82%2313 fps99.3%
Accurate 2495<<locked>>80%27,717 psi60%2142 fps99.5%
Accurate 2495<<locked>>80%27,514 psi59%2136 fps99.5%
Accurate 2520<<locked>>80%33,808 psi73%2270 fps98.4%
Accurate 2520<<locked>>80%33,605 psi72%2264 fps98.3%
Accurate 4064<<locked>>80%26,295 psi57%2119 fps97.2%
Accurate 4064<<locked>>80%26,107 psi56%2113 fps97%
ADI AR 2206H<<locked>>82%34,983 psi75%2280 fps95.5%
ADI AR 2206H<<locked>>82%34,519 psi74%2267 fps95.3%
ADI AR 2208<<locked>>90%38,363 psi83%2329 fps95.7%
ADI AR 2208<<locked>>90%37,927 psi82%2316 fps95.5%
ADI Benchmark 8208<<locked>>80%34,693 psi75%2247 fps96.8%
ADI Benchmark 8208<<locked>>80%34,534 psi74%2241 fps96.7%
Alliant AR-Comp<<locked>>80%32,953 psi71%2260 fps100%
Alliant AR-Comp<<locked>>80%32,706 psi70%2254 fps100%
Alliant Power Pro 2000-MR<<locked>>88%38,522 psi83%2428 fps95.1%
Alliant Reloder- TS 15.5<<locked>>86%32,155 psi69%2247 fps95.8%
Alliant Reloder- TS 15.5<<locked>>86%32,024 psi69%2244 fps95.7%
Alliant Reloder-15<<locked>>86%35,099 psi76%2303 fps95%
Alliant Reloder-15<<locked>>88%37,130 psi80%2343 fps95.6%
Alliant Reloder-1741.2 gr92%34,330 psi74%2349 fps95.3%
Alliant Reloder-1741.2 gr92%34,011 psi73%2339 fps95%
Baschieri & Pellagri 107<<locked>>86%38,725 psi83%2372 fps95.3%
Baschieri & Pellagri 107<<locked>>86%38,566 psi83%2365 fps95.2%
Bofors RP3<<locked>>86%31,154 psi67%2244 fps95.6%
Bofors RP3<<locked>>86%30,995 psi67%2238 fps95.4%
Hodgdon Benchmark<<locked>>80%37,072 psi80%2254 fps98%
Hodgdon Benchmark<<locked>>80%36,898 psi80%2247 fps97.9%
Hodgdon BL-C2<<locked>>80%31,995 psi69%2251 fps96.8%
Hodgdon BL-C2<<locked>>80%31,850 psi69%2244 fps96.6%
Hodgdon CFE223<<locked>>80%35,694 psi77%2359 fps95%
Hodgdon CFE223<<locked>>82%38,000 psi82%2405 fps95.8%
Hodgdon H322<<locked>>80%39,392 psi85%2349 fps99.9%
Hodgdon H4895<<locked>>80%32,837 psi71%2241 fps95.5%
Hodgdon H4895<<locked>>80%32,648 psi70%2234 fps95.3%
Hodgdon Hybrid 100V<<locked>>98%33,301 psi72%2274 fps95%
Hodgdon LEVERevolution36.6 gr82%31,154 psi67%2244 fps95.2%
Hodgdon LEVERevolution36.6 gr82%31,024 psi67%2238 fps95%
Hodgdon TrailBoss<<locked>>80%24,918 psi54%1342 fps100%
Hodgdon TrailBoss<<locked>>80%24,801 psi53%1339 fps100%
Hodgdon VARGET<<locked>>82%33,924 psi73%2247 fps95.7%
Hodgdon VARGET<<locked>>82%33,750 psi73%2241 fps95.6%
IMR 3031<<locked>>80%31,299 psi67%2247 fps99.5%
IMR 3031<<locked>>80%31,038 psi67%2241 fps99.5%
IMR 4064<<locked>>86%35,360 psi76%2264 fps95%
IMR 4064<<locked>>88%37,405 psi81%2300 fps95.7%
IMR 4895<<locked>>84%33,518 psi72%2283 fps95.2%
IMR 4895<<locked>>84%33,315 psi72%2277 fps95.1%
IMR 8208 XBR<<locked>>80%34,693 psi75%2247 fps96.8%
IMR 8208 XBR<<locked>>80%34,534 psi74%2241 fps96.7%
Lovex D073.5<<locked>>80%38,058 psi82%2320 fps98.6%
Lovex D073.5<<locked>>80%37,869 psi82%2313 fps98.5%
Lovex D073.6<<locked>>80%30,414 psi66%2211 fps97.4%
Lovex D073.6<<locked>>80%29,950 psi65%2198 fps97.2%
Lovex S060<<locked>>80%34,185 psi74%2192 fps95.2%
Lovex S060<<locked>>80%33,968 psi73%2185 fps95%
Lovex S062<<locked>>82%30,443 psi66%2175 fps95.5%
Lovex S062<<locked>>82%30,284 psi65%2169 fps95.4%
Norma 201<<locked>>80%32,024 psi69%2195 fps96.1%
Norma 201<<locked>>80%31,850 psi69%2188 fps96%
Norma 202<<locked>>80%31,749 psi68%2208 fps98.4%
Norma 202<<locked>>80%31,575 psi68%2201 fps98.3%
Norma 203B<<locked>>86%34,403 psi74%2297 fps95.4%
Norma 203B<<locked>>86%34,214 psi74%2290 fps95.3%
Ramshot Big Game<<locked>>88%36,506 psi79%2349 fps95.7%
Ramshot Big Game<<locked>>88%36,390 psi78%2346 fps95.6%
Ramshot Wild Boar<<locked>>82%35,737 psi77%2306 fps95.7%
Ramshot Wild Boar<<locked>>82%35,302 psi76%2293 fps95.5%
Ramshot X-Terminator<<locked>>80%37,710 psi81%2290 fps96.1%
Ramshot X-Terminator<<locked>>80%37,550 psi81%2283 fps96%
ReloadSwiss RS 14<<locked>>80%24,903 psi54%1375 fps100%
ReloadSwiss RS 14<<locked>>80%24,801 psi53%1368 fps100%
ReloadSwiss RS 40<<locked>>80%39,131 psi84%2333 fps99%
ReloadSwiss RS 40<<locked>>80%38,957 psi84%2326 fps99%
ReloadSwiss RS 52<<locked>>86%36,245 psi78%2388 fps95.3%
ReloadSwiss RS 52<<locked>>86%36,085 psi78%2379 fps95.1%
ReloadSwiss RS 6037.7 gr84%28,311 psi61%2205 fps95.1%
ReloadSwiss RS 6038.6 gr86%30,110 psi65%2254 fps96.1%
Rottweil R 901<<locked>>80%35,317 psi76%2247 fps98.9%
Rottweil R 901<<locked>>80%35,099 psi76%2241 fps98.8%
Rottweil R 902<<locked>>80%30,414 psi66%2152 fps95.4%
Rottweil R 902<<locked>>80%30,226 psi65%2142 fps95.3%
Rottweil R 903<<locked>>88%31,082 psi67%2231 fps95.1%
Rottweil R 903<<locked>>88%30,908 psi67%2228 fps95%
Shooters World Match Rifle<<locked>>80%30,414 psi66%2211 fps97.4%
Shooters World Match Rifle<<locked>>80%29,950 psi65%2198 fps97.2%
Shooters World Precision<<locked>>82%30,443 psi66%2175 fps95.5%
Shooters World Precision<<locked>>82%30,284 psi65%2169 fps95.4%
SNPE Vectan SP 11<<locked>>90%35,578 psi77%2339 fps95.5%
SNPE Vectan SP 11<<locked>>90%35,215 psi76%2326 fps95.2%
SNPE Vectan SP 9<<locked>>84%35,766 psi77%2297 fps95.7%
SNPE Vectan SP 9<<locked>>84%35,607 psi77%2290 fps95.6%
SNPE Vectan Tubal 3000<<locked>>80%33,881 psi73%2175 fps98.7%
SNPE Vectan Tubal 3000<<locked>>80%33,678 psi73%2165 fps98.6%
SNPE Vectan Tubal 5000<<locked>>80%27,369 psi59%2054 fps97.9%
SNPE Vectan Tubal 5000<<locked>>80%27,195 psi59%2047 fps97.8%
Somchem S321<<locked>>80%36,709 psi79%2313 fps97.8%
Somchem S321<<locked>>80%36,521 psi79%2310 fps97.7%
Somchem S335<<locked>>80%33,373 psi72%2182 fps99.2%
Somchem S335<<locked>>80%33,185 psi72%2175 fps99.1%
Somchem S341<<locked>>82%34,171 psi74%2254 fps95%
Somchem S341<<locked>>84%36,419 psi78%2297 fps95.8%
Somchem S355<<locked>>88%32,561 psi70%2247 fps95.4%
Somchem S355<<locked>>88%32,416 psi70%2241 fps95.2%
Somchem S365<<locked>>96%30,095 psi65%2260 fps95.3%
Somchem S365<<locked>>96%29,791 psi64%2251 fps95.1%
Vihtavuori N130<<locked>>80%38,653 psi83%2251 fps100%
Vihtavuori N130<<locked>>80%38,435 psi83%2244 fps100%
Vihtavuori N133<<locked>>80%33,866 psi73%2182 fps99.9%
Vihtavuori N133<<locked>>80%33,663 psi73%2175 fps99.9%
Vihtavuori N135<<locked>>80%28,776 psi62%2149 fps99.6%
Vihtavuori N135<<locked>>80%28,558 psi62%2142 fps99.5%
Vihtavuori N140<<locked>>80%29,994 psi65%2152 fps98.2%
Vihtavuori N140<<locked>>80%29,820 psi64%2146 fps98.1%
Vihtavuori N150<<locked>>86%29,138 psi63%2152 fps95.6%
Vihtavuori N150<<locked>>86%29,008 psi63%2146 fps95.5%
Vihtavuori N530<<locked>>80%34,447 psi74%2244 fps96.9%
Vihtavuori N530<<locked>>80%34,258 psi74%2234 fps96.8%
Vihtavuori N540<<locked>>80%28,906 psi62%2142 fps97.3%
Vihtavuori N540<<locked>>80%28,500 psi61%2133 fps97.2%
Winchester 6.5 StaBALL<<locked>>94%34,751 psi75%2264 fps95.5%
Winchester 6.5 StaBALL<<locked>>94%34,461 psi74%2254 fps95.3%
Winchester 748<<locked>>80%33,025 psi71%2274 fps97.4%
Winchester 748<<locked>>80%32,895 psi71%2267 fps97.3%
Winchester StaBALL Match<<locked>>82%32,503 psi70%2247 fps95.4%
Winchester StaBALL Match<<locked>>82%32,372 psi70%2241 fps95.2%

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 129 powders for .30 Fl. N.E. Purdey loaded with the .308 | 180gr | Peregrine Bushmaster (VRG-3). ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,523 fps; across all powders the maximum-charge window runs from 1,503 fps to 2,523 fps. Hodgdon Hybrid 100V gives the best case fill at 100 %, and 129 of the 129 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (320 MPa), the top charges use 73–90 %, leaving at least 10 % headroom. The 180.0 gr projectile in 0.308" calls for a 1:13.0 twist; slower twists will usually not stabilise this weight. Hodgdon Hybrid 100V, Hodgdon TrailBoss, Hodgdon TrailBoss 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, Hodgdon LEVERevolution rank at the top here: for .30 Fl. N.E. Purdey with the .308 | 180gr | Peregrine Bushmaster (VRG-3) they combine a high case fill with complete burn and sit in the upper velocity band. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.

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