Cartridge Diagrams
Dimensions in Inches. Dotted Grids are 1/2″ square.
| 6mm BR | 6BRX | 6 Dasher | 6 PPC | 6×47 SM | 6XC | 243 Win | 243 AI | 243 WSSM | 6mm Rem
204 Ruger | 221 Fireball | 222 Rem | 223 Rem | 22 PPC | 22-250 6.5 Grendel | 260 Rem | 6.5×55 | 6.5-284 284 Win | 7mm SAUM | 7mm WSM | 308 Win | 300 WSM | 30-06 | 300 WM | 338 LM WARNING: Case Diagrams are provided for illustration purposes only. Do NOT use the dimensions on these diagrams to calculate pressures or internal ballistics. Measure your actual cases and use the data supplied by the cartridge maker and the propellant manufacturer. Do NOT substitute these drawings for official SAMMI or CIP specifications.Do NOT use these diagrams as the basis for creating reamers or tools. Actual production brass may vary slightly from these measurements. It’s best to send in actual dummy brass cases when having a reamer made. |
6mm BR Norma
6mm BRX
This shows a no-turn neck. Actual neck length and diameter may vary slightly after fire-forming.
6mm Dasher
This shows a no-turn neck. Actual neck length and diameter may vary slightly after fire-forming.
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.243 Winchester Super Short Mag
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