MCR Reamer List
Montour County Rifles
Reamer List Updated 4-11-20
Throat length is measured from case mouth at maximum length to intersection point of free bore and 1.5 degree lead angle
20 caliber
.20 Tactical / .233 neck / .096 throat length
.20 Tactical / .226 neck / .046 throat length
.20 Practical / .233 neck / .046 throat length
.204 Ruger / .232 neck / .110 throat length
.22 caliber
.22-250 / .255 neck / .078 throat length
.22-250 / .250 neck / .026 throat length
.22-250 Ackley / .254 neck / .075 throat length
.22-250 Ackley / .250 neck / .060 throat length
.222 Remington / .254 neck / .040 throat length
.221 Fireball / .254 neck / .035 throat length
.22 Hornet / .245 neck / .025 throat length
.22 Long Rifle
22-243 Winchester / .258 neck / .095 throat length
.223 Remington Match / .251 neck / .078 throat length
.223 Remington / .254 neck / .040 throat length
.223 WSSM / .253 neck / .035 throat length
.22 Creedmoor / .257 neck / .040 throat length
.22 cal. 1.5 degree uni-throater
.243 caliber / 6mm
6mm Dasher / .2704 neck / .125 throat length
6mm - .284 / .272 neck / .095 throat length
6mm x 47 Lapua / .271 neck / .120 throat length
6mm BR / .269 neck / .125 throat length
6mm BR / .2704 neck / .110 throat length
6mm BR / .262 neck / .120 throat length
6mm Remington / .277 neck / .110 throat length
6mm Remington Ackley / .276 neck / .075 throat length
6mm WSSM / .272 neck / .070 throat length
6mm - .250 / .274 neck / .050 throat length
6mm - 06 Ackley Imp. / .277 neck / .035 throat length
6mm Hart / McCrea / .281 neck / .175 throat length
.243 Winchester / .277 neck / .035 throat length
.243 Winchester Ackley / .278 neck / .035 throat length
6 x 45 / .271 neck / .095 throat length
6mm Competition Match / .274 neck / .113 throat length
6mm Competition Match / .271 neck / .110 throat length
6mm Competition Match / resize reamer
6 XC / .276 neck / .100 throat length
6mm Creedmore / .275 neck / .135 throat length
6mm 1.5 degree uni-throater
.25 caliber
.25 - 06 / .288 neck / .030 throat length
.25 - 06 Ackley / .289 neck / .120 throat length
.25 - .284 / .292 neck / .035 throat length
.257 Weatherby Mag / .289 neck / .380 throat length
.257 Roberts Ackley Imp. / .289 neck / .065 throat length
.250 - 3000 Savage / .287 neck / .025 throat length
.257 cal. 1.5 degree uni-throater
.264 caliber / 6.5mm
260 Remington / .298 neck / .120 throat length
260 Remington Ackley Imp. / .298 neck / .100 throat length
264 Winchester Mag / .297 neck / .225 throat length
6.5 x 47 Lapua / .294 neck / .155 throat length
6.5 - .284 Norma / .295 neck / .220 throat length
6.5 - .284 Norma / .291 neck / .210 throat length
6.5 - 300 Weatherby / .296 neck / .215 throat length
6.5 - 300 Weatherby Mag. Ackley Imp. / .295 neck / .110 throat length
6.5 - 300 WSM / .299 neck / .035 throat length
6.5-06 / .296 neck / .220 throat length
6.5-06 Ackley Imp. / .296 neck / .220 throat length
6.5 Creedmore / .296 neck / .205 throat length
6.5 Super LRS / .296 neck / .080 throat length
6.5 SAUM .296 neck / .085 throat length
6.5 x 55 Ackley Imp. / .291 neck / .105 throat length
6.5 PRC / .297 neck / .205 throat length
6.5 Grendel / .295 neck / .105 throat length
6.5mm 1.5 degree uni-throater
.270 caliber
.270 Winchester / .310 neck / .035 throat length
270 WSM / .310 neck / .191 throat length
.284 caliber / 7mm
7mm - 08 / .316 neck / .110 throat length
7mm Dakota / .316 neck / .180 throat length
7mm WSM / .312 neck / .220 throat length
7mm WSM / .320 neck / .050 throat length
7mm STW Rougher / .308 neck
7mm STW .310 neck / .140 throat length
7mm STW .312 neck / .140 throat length
7mm STW .319 neck / .210 throat length
7mm Remington Ultra Mag Imp. / .323 neck / .250 throat length
7mm Remington Mag / .316 neck / .135 throat length
7mm Fielding Mag / .310 neck / .410 throat length
7mm Fielding Mag / Resize Reamer
7mm SAUM / .321 neck / .100 throat length
7mm x 300 Winchester Mag. / .317 neck / .145 throat length
.284 Winchester Rougher
.284 Winchester / .322 neck / .050 throat length
.284 Winchester / .317 neck / .155 throat length
280 Remington / .316 neck / .030 throat length
280 Remington Ackley Imp. / .314 neck / .055 throat length
28 Nosler / .321 neck / .235 throat length
28 Nosler / .314 neck / .245 throat length
7mm Reaper / .312 neck / .265 throat length
7mm LRM / .321 neck / .143 throat length
7mm 1.5 degree uni-throater
.30 caliber
30 - 338 Winchester Mag / .341 neck / .120 throat length
30 - 06 / .341 neck / .025 throat length
30 - 06 Ackley Imp. / .341 neck / .025 throat length
30-06 Serengeti / .340 neck / .120 throat length
30 - 378 Weatherby / .335 neck / .120 throat length
30 - 378 Weatherby Ackley Imp. / .336 neck / .385 throat length
300 Weatherby Mag / .338 neck / .000 throat length
300 Weatherby Mag Ackley Imp. / .338 neck / .110 throat length
30 - 338 LKR ( customer designed 30-338 Lapua Imp.) / .336 neck / .345 throat length
300 WSM / .345 neck / .035 throat length
300 WSM Match / .341 neck / .070 throat length
300 Winchester Mag / .335 neck / .025 throat length
300 Winchester Mag / .342 neck / .025 throat length
300 Winchester Mag Tactical Match / .341 neck / .095 throat length
300 Remington Ultra Mag / .345 neck / .120 throat length
300 Remington Ultra Mag / .341 neck / .025 throat length
308 Baer / .335 neck / .030 throat length
30-338 Lapua Imp. 35* shoulder / .333 neck / .275 throat length
300 SAUM / .345 neck / .125 throat length
308 Winchester / .345 neck / .095 throat length
308 Winchester Match / .345 neck / .115 throat length
30 Nosler / .341 neck / .145 throat length
300 Norma Mag. / .343 neck / .230 throat length
30 cal neck and throat reamer / .342 neck / .095 throat length
.308 cal. 1.5 degree uni-throater
35 caliber
35 Whelen / .389 neck / .145 throat length
338 caliber
338-06 A-Square / .372 neck / .195 throat length
338 Winchester Mag / .371 neck / .020 throat length
338 - 378 Weatherby / .369 neck / .045 throat length
338 Remington Ultra Mag / .372 neck / .125 throat length
338 EDGE / .371 neck / .120 throat length
338 Lapua Mag / .373 neck / .150 throat length
338 Lapua Mag / .373 neck / .020 throat length
338 Lapua Imp. 40* / .374 neck / .150 throat length
338 Norma Mag / .371 neck / .240 throat length
338-300 WSM / .374 neck / .030 throat length
338-408 Chey-Tac Imp. 35* / .372 neck / .220 throat length
338 - 408 Chey-Tac / .372 neck / .230 throat length
340 Weatherby Mag / .369 neck / .356 throat length
33 Nosler / .371 neck / .125 throat length
.338 cal. 1.5 degree uni-throater
375 Caliber
375 Ultra Mag / .406 neck / .180 throat length
45 Caliber
45 Raptor / .110 throat length
