Artful
10-01-2010, 10:20 PM
As I had difficulty in finding a listing of cast boolit BC's I searched some books and found the following information for those who are interested
Only internet link I had was
http://www.lasc.us/ConversionTables.htm
Quote:
RCBS Cast Rifle Bullet Ballistic Coefficients
22-055 FN .159
243-095 .258
257-120 .272
270-150 .327
7mm-145 Silh. .272
7mm-168 SP .306
30-115 SP .175
30-150 FN .220
308-165 Silh. .286
30-180 SP .293
30-180 FN .255
35-200 FN .243
357-180 Silh .210
375-200 FN .220
44-200 FN .130
429-240 Silh .186
45-300 FN .207
45-405 FN .303
45-500 FN .365[/Quote]
Originally Posted by Uncle Grinch
I'd be curious where the 6.5 x 55 would fall at in BC. The 140 ~ 160 grain range should be fairly efficient.
The Lyman 266469 at 1600 fps is .320. The 3rd GB 130 gr bullet is .25 at 2100 fps. Lyman's 266455 is .26 at 2000 fps.
Larry Gibson
Lyman 3rd edition cast handbook has in the back the following boolits listed
225107_.091
225438_.094
225415_.116
225462_.107
245496_.202
245497_.230
245498_.210
257420_.120
257312_.208
257464_.204
257418_.221
257325_.235
280468_.193
280473_.275
280412_.245
287448_.165
287346_.235
287405-.245
287308-.325
311359_ .181
311441_.143
311576_.172
311465_.163
311410_.239
311440_.134
311466_.250
301618_.300
311291_.202
31141__.220
311407_.270
311467_.320
311344_.340
301620_.379
311299_.377
311290_.305
311284_.332
311644 is .272 per mrbill2's info
323470_.187
323471_.475
323378_.410
375248_.290
375449_.315
375167_.315
.457191_.201
457122_.274
457124_.299
457193_.307
457102_.359
457406_.387
457125_.391
457132_.384
515141_.250
Lyman Pistol and Revolver Handbook
Ballistic Coefficent handgun bullets
454424-.210
454190-.269
45468-.105
429244-.201
429421-.209
429360-.169
429215-.188
429303-.105
429348-.065
410426-.235
410459-.150
410610-.158
41028-.160
358429-.286
358311-.228
358156-.213
358477-.183
358495-.096
358460-.145
356402-.146
358242-.154
358345-.121
257312-.185
257420-.160
225415-.162
225438-.120
Lyman 46th Edition Reloading Handbook list of Ballistic Coefficent
Projectile _ Higher than _ Med _ below Velocity
225107 _ 0.091@2400 _ 0.099 _ 0.108@1800
225438 _ 0.094@2400 _ 0.107 _ 0.122@1800
225415 _ 0.116@2400 _ 0.140 _ 0.168@1800
225462 _ 0.107@2400 _ 0.131 _ 0.152@1800
245496 _ 0.202@1600 _ 0.215 _ 0.230@1200
245497 _ 0.230@1600 _ 0.240 _ 0.260@1200
245498 _ 0.210@1600 _ 0.225 _ 0.245@1200
257420 _ 0.129@2200 _ 0.152 _ 0.180@1800
257464 _ 0.204@1800 _ 0.217 _ 0.234@1400
257312 _ 0.028@1800 _ 0.236 _ 0.273@1400
257418 _ 0.221@1800 _ 0.253 _ 0.296@1400
257325 _ 0.235@1800 _ 0.263 _ 0.263@1400
280468 _ 0.193@2200 _ 0.224 _ 0.254@1600
280473 _ 0.275@1800 _ 0.290 _ 0.310@1400
280412 _ 0.245@1800 _ 0.255 _ 0.270@1400
287448 _ 0.165@2000 _ 0.205 _ 0.245@1600
287346 _ 0.235@1800 _ 0.265 _ 0.305@1400
287405 _ 0.245@1600 _ 0.265 _ 0.285@1200
287308 _ 0.325@1600 _ 0.345 _ 0.365@1200
311359 _ 0.181@2000 _ 0.182 _ 0.182@1600
311441 _ 0.143@2200 _ 0.152 _ 0.163@1600
311576 _ 0.172@1800 _ 0.196 _ 0.220@1400
311465 _ 0.163@2200 _ 0.171 _ 0.195@1600
311410 _ 0.239@1600 _ 0.250 _ 0.265@1200
311440 _ 0.134@2200 _ 0.151 _ 0.171@1600
311466 _ 0.250@2000 _ 0.250 _ 0.260@1600
301618 _ 0.300@2400 _ 0.310 _ 0.305@1800
311291 _ 0.202@2200 _ 0.231 _ 0.250@1600
31141 _ 0.220@2200 _ 0.250 _ 0.280@1600
311407 _ 0.270@1800 _ 0.300 _ 0.325@1400
311467 _ 0.320@2200 _ 0.305 _ 0.300@1600
311334 _ 0.340@1800 _ 0.312 _ 0.275@1400
301620 _ 0.379@2200 _ 0.370 _ 0.362@1800
311299 _ 0.377@1800 _ 0.358 _ 0.390@1400
311290 _ 0.305@1800 _ 0.300 _ 0.275@1400
311284 _ 0.332@1800 _ 0.331 _ 0.335@1400
323470 _ 0.187@2200 _ 0.205 _ 0.225@1600
323471 _ 0.475@1800 _ 0.450 _ 0.425@1400
323378 _ 0.410@1600 _ 0.420 _ 0.430@1200
375248 _ 0.290@1600 _ 0.310 _ 0.325@1200
375449 _ 0.315@1600 _ 0.348 _ 0.375@1200
375167 _ 0.315@1600 _ 0.290 _ 0.270@1200
457191 _ 0.201@1800 _ 0.222 _ 0.240@1400
457122 HP _ 0.270@1800 _ 0.267 _ 0.265@1400
457122 _ 0.280@1800 _ 0.274 _ 0.274@1400
457124 _ 0.300@1800 _ 0.299 _ 0.275@1300
457193 _ 0.307@1600 _ 0.335 _ 0.365@1200
457102 _ 0.359@1600 _ 0.355 _ 0.350@1200
457121 _ 0.436@1600 _ 0.430 _ 0.420@1200
457406 _ 0.387@1600 _ 0.380 _ 0.370@1200
457125 _ 0.391@1600 _ 0.380 _ 0.380@1200
457132 _ 0.384@1500 _ 0.375 _ 0.370@1100
515141 _ 0.250@1600 _ 0.250 _ 0.225@1200
Please feel free to add any more you have give the source.
Only internet link I had was
http://www.lasc.us/ConversionTables.htm
Quote:
RCBS Cast Rifle Bullet Ballistic Coefficients
22-055 FN .159
243-095 .258
257-120 .272
270-150 .327
7mm-145 Silh. .272
7mm-168 SP .306
30-115 SP .175
30-150 FN .220
308-165 Silh. .286
30-180 SP .293
30-180 FN .255
35-200 FN .243
357-180 Silh .210
375-200 FN .220
44-200 FN .130
429-240 Silh .186
45-300 FN .207
45-405 FN .303
45-500 FN .365[/Quote]
Originally Posted by Uncle Grinch
I'd be curious where the 6.5 x 55 would fall at in BC. The 140 ~ 160 grain range should be fairly efficient.
The Lyman 266469 at 1600 fps is .320. The 3rd GB 130 gr bullet is .25 at 2100 fps. Lyman's 266455 is .26 at 2000 fps.
Larry Gibson
Lyman 3rd edition cast handbook has in the back the following boolits listed
225107_.091
225438_.094
225415_.116
225462_.107
245496_.202
245497_.230
245498_.210
257420_.120
257312_.208
257464_.204
257418_.221
257325_.235
280468_.193
280473_.275
280412_.245
287448_.165
287346_.235
287405-.245
287308-.325
311359_ .181
311441_.143
311576_.172
311465_.163
311410_.239
311440_.134
311466_.250
301618_.300
311291_.202
31141__.220
311407_.270
311467_.320
311344_.340
301620_.379
311299_.377
311290_.305
311284_.332
311644 is .272 per mrbill2's info
323470_.187
323471_.475
323378_.410
375248_.290
375449_.315
375167_.315
.457191_.201
457122_.274
457124_.299
457193_.307
457102_.359
457406_.387
457125_.391
457132_.384
515141_.250
Lyman Pistol and Revolver Handbook
Ballistic Coefficent handgun bullets
454424-.210
454190-.269
45468-.105
429244-.201
429421-.209
429360-.169
429215-.188
429303-.105
429348-.065
410426-.235
410459-.150
410610-.158
41028-.160
358429-.286
358311-.228
358156-.213
358477-.183
358495-.096
358460-.145
356402-.146
358242-.154
358345-.121
257312-.185
257420-.160
225415-.162
225438-.120
Lyman 46th Edition Reloading Handbook list of Ballistic Coefficent
Projectile _ Higher than _ Med _ below Velocity
225107 _ 0.091@2400 _ 0.099 _ 0.108@1800
225438 _ 0.094@2400 _ 0.107 _ 0.122@1800
225415 _ 0.116@2400 _ 0.140 _ 0.168@1800
225462 _ 0.107@2400 _ 0.131 _ 0.152@1800
245496 _ 0.202@1600 _ 0.215 _ 0.230@1200
245497 _ 0.230@1600 _ 0.240 _ 0.260@1200
245498 _ 0.210@1600 _ 0.225 _ 0.245@1200
257420 _ 0.129@2200 _ 0.152 _ 0.180@1800
257464 _ 0.204@1800 _ 0.217 _ 0.234@1400
257312 _ 0.028@1800 _ 0.236 _ 0.273@1400
257418 _ 0.221@1800 _ 0.253 _ 0.296@1400
257325 _ 0.235@1800 _ 0.263 _ 0.263@1400
280468 _ 0.193@2200 _ 0.224 _ 0.254@1600
280473 _ 0.275@1800 _ 0.290 _ 0.310@1400
280412 _ 0.245@1800 _ 0.255 _ 0.270@1400
287448 _ 0.165@2000 _ 0.205 _ 0.245@1600
287346 _ 0.235@1800 _ 0.265 _ 0.305@1400
287405 _ 0.245@1600 _ 0.265 _ 0.285@1200
287308 _ 0.325@1600 _ 0.345 _ 0.365@1200
311359 _ 0.181@2000 _ 0.182 _ 0.182@1600
311441 _ 0.143@2200 _ 0.152 _ 0.163@1600
311576 _ 0.172@1800 _ 0.196 _ 0.220@1400
311465 _ 0.163@2200 _ 0.171 _ 0.195@1600
311410 _ 0.239@1600 _ 0.250 _ 0.265@1200
311440 _ 0.134@2200 _ 0.151 _ 0.171@1600
311466 _ 0.250@2000 _ 0.250 _ 0.260@1600
301618 _ 0.300@2400 _ 0.310 _ 0.305@1800
311291 _ 0.202@2200 _ 0.231 _ 0.250@1600
31141 _ 0.220@2200 _ 0.250 _ 0.280@1600
311407 _ 0.270@1800 _ 0.300 _ 0.325@1400
311467 _ 0.320@2200 _ 0.305 _ 0.300@1600
311334 _ 0.340@1800 _ 0.312 _ 0.275@1400
301620 _ 0.379@2200 _ 0.370 _ 0.362@1800
311299 _ 0.377@1800 _ 0.358 _ 0.390@1400
311290 _ 0.305@1800 _ 0.300 _ 0.275@1400
311284 _ 0.332@1800 _ 0.331 _ 0.335@1400
323470 _ 0.187@2200 _ 0.205 _ 0.225@1600
323471 _ 0.475@1800 _ 0.450 _ 0.425@1400
323378 _ 0.410@1600 _ 0.420 _ 0.430@1200
375248 _ 0.290@1600 _ 0.310 _ 0.325@1200
375449 _ 0.315@1600 _ 0.348 _ 0.375@1200
375167 _ 0.315@1600 _ 0.290 _ 0.270@1200
457191 _ 0.201@1800 _ 0.222 _ 0.240@1400
457122 HP _ 0.270@1800 _ 0.267 _ 0.265@1400
457122 _ 0.280@1800 _ 0.274 _ 0.274@1400
457124 _ 0.300@1800 _ 0.299 _ 0.275@1300
457193 _ 0.307@1600 _ 0.335 _ 0.365@1200
457102 _ 0.359@1600 _ 0.355 _ 0.350@1200
457121 _ 0.436@1600 _ 0.430 _ 0.420@1200
457406 _ 0.387@1600 _ 0.380 _ 0.370@1200
457125 _ 0.391@1600 _ 0.380 _ 0.380@1200
457132 _ 0.384@1500 _ 0.375 _ 0.370@1100
515141 _ 0.250@1600 _ 0.250 _ 0.225@1200
Please feel free to add any more you have give the source.