Cross Reference for Cooling Cases for The Original Barrel Cooler

 

Caliber                                         Dia. of case—below neck    Dia. case—primer end

17 Rem Fireball                                   .366                                          .376

17 Rem.                                                 .356                                          .376

.204 Ruger                                            .356                                           .376

.222 Rem.                                             .357                                          .376

.223/5.56 Nato                                    .354                                           .376

22.250 Rem.                                         .414                                           .4668

250.3000 Savage                                 .414                                            .467

.257 Roberts & Improved                  .429                                            .471

6mm Rem.                                            .429                                            .471

.243                                                        .454                                            .470

6mm PMC                                              .431                                            .440

.220 Swift                                               .402                                            .445

6mm Bench Rest Rem.                         .460                                            .470

25.06                                                       .441                                            .470

.270 Win.                                                .441                                            .473

.280 Rem.                                               .441                                             .473

30.06                                                       .441                                             .473

M1-Garand                                            .441                                              .473

.260 Rem.                                               .454                                              .470

.308 Win.                                                .454                                              .473

7.62 51 NATO                                         .457                                              .489

7.62 X 54 Russian                                   .457                                             .486

7.62 X 39                                                  .396                                             .443

30.30 Win.                                              .399                                              .420

32 Special                                                .342                                              .353

.264 Win Mag                                         .491                                              .515

7mm-08 Rem                                          .454                                              .4703

7mm Rem Mag                                       .491                                                .512

7mm Weatherby                                    .492                                                .512

.284 Win.                                                 .475                                                 .508

.303 British                                              .401                                                 .455

.300 BO                                                     .361                                                  .378

.300 Savage                                              .449                                                  .471

30.40 Krag                                                .419                                                   .458

8 mm Rem. Mag.                                      .487                                                   .513

.300 H & H Mag                                        .456                                                   .513

.300 Win Mag.                                          .489                                                   .513

.300Rem. Ultra Mag                                .525                                                   .550

.300 Weatherby Mag.                             .492                                                   .512

.375 H & H Mag.                                       .448                                                   .513

.338 Federal                                              .454                                                   .473

.338 Win Mag                                            .491                                                   .513

.338 Rem Ultra Mag.                                .526                                                   .550

.338 Lapua                                                 .544                                                    .587

.416 Rigby                                                  .540                                                   .589

45.70 Gov                                                  .480                                                    .504

.450 Marlin                                                .481                                                    .512

50 BMG                                                      .714                                                    .803

 

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