IPC Forged Barrel General Diamensional Specification Table
The diameter and width combinations in the table below apply to 2-PC and 3-PC forged barrels
| SIZES (R-FL) | Width | Outer / Inner | ||||||||||||||
| 19Inch | 8.0 | 2.5/5.5 | ||||||||||||||
| 8.5 | 2.5/6.0 | |||||||||||||||
| 9.0 | 2.5/6.5 | 3.0/6.0 | ||||||||||||||
| 9.5 | 2.5/7.0 | 3.0/6.5 | 3.5/6.0 | |||||||||||||
| 10.0 | 2.5/7.5 | 3.0/7.0 | 3.5/6.5 | 4.0/6.0 | ||||||||||||
| 10.5 | 2.5/8.0 | 3.0/7.5 | 3.5/7.0 | 4.0/6.5 | 4.5/6.0 | |||||||||||
| 11.0 | 2.5/8.5 | 3.0/8.0 | 3.5/7.5 | 4.0/7.0 | 4.5/6.5 | 5.0/6.0 | ||||||||||
| 11.5 | 2.5/9.0 | 3.0/8.5 | 3.5/8.0 | 4.0/7.5 | 4.5/7.0 | 5.0/6.5 | 5.5/6.0 | |||||||||
| 12.0 | 2.5/9.5 | 3.0/9.0 | 3.5/8.5 | 4.0/8.0 | 4.5/7.5 | 5.0/7.0 | 5.5/6.5 | 6.0/6.0 | ||||||||
| 12.5 | 2.5/10.0 | 3.0/9.5 | 3.5/9.0 | 4.0/8.5 | 4.5/8.0 | 5.0/7.5 | 5.5/7.0 | 6.0/6.5 | 6.5/6.0 | |||||||
| 13.0 | 2.5/10.5 | 3.0/10.0 | 3.5/9.5 | 4.5/8.5 | 5.0/8.0 | 5.5/7.5 | 6.0/7.0 | 7.0/6.0 | ||||||||
| 13.5 | 2.5/11.0 | 3.0/10.5 | 3.5/10.0 | 5.0/8.5 | 5.5/8.0 | 6.0/7.5 | 7.5/6.0 | |||||||||
| 14.0 | 2.5/11.5 | 3.0/11.0 | 3.5/10.5 | 5.5/8.5 | 6.0/8.0 | 8.0/6.0 | ||||||||||
| 20Inch | 8.5 | 2.5/6.0 | ||||||||||||||
| 9.0 | 2.5/6.5 | |||||||||||||||
| 9.5 | 2.5/7.0 | 3.0/6.5 | ||||||||||||||
| 10.0 | 2.5/7.5 | 3.0/7.0 | 3.5/6.5 | |||||||||||||
| 10.5 | 2.5/8.0 | 3.0/7.5 | 3.5/7.0 | 4.0/6.5 | ||||||||||||
| 11.0 | 2.5/8.5 | 3.0/8.0 | 3.5/7.5 | 4.0/7.0 | 4.5/6.5 | |||||||||||
| 11.5 | 2.5/9.0 | 3.0/8.5 | 3.5/8.0 | 4.0/7.5 | 4.5/7.0 | 5.0/6.5 | ||||||||||
| 12.0 | 2.5/9.5 | 3.0/9.0 | 3.5/8.5 | 4.0/8.0 | 4.5/7.5 | 5.0/7.0 | 5.5/6.5 | |||||||||
| 12.5 | 2.5/10.0 | 3.0/9.5 | 3.5/9.0 | 4.0/8.5 | 4.5/8.0 | 5.0/7.5 | 5.5/7.0 | 6.0/6.5 | ||||||||
| 13.0 | 2.5/10.5 | 3.0/10.0 | 3.5/9.5 | 4.5/8.5 | 5.0/8.0 | 5.5/7.5 | 6.0/7.0 | |||||||||
| 13.5 | 2.5/11.0 | 3.0/10.5 | 3.5/10.0 | 5.0/8.5 | 5.5/8.0 | 6.0/7.5 | ||||||||||
| 14.0 | 2.5/11.5 | 3.0/11.0 | 3.5/10.5 | 5.5/8.5 | 6.0/8.0 | |||||||||||
IPC Forged Barrel General Diamensional Specification Table
The diameter and width combinations in the table below apply to 2-PC and 3-PC forged barrels
| SIZES (R-FL) | Width | Outer / Inner | ||||||||||||||
| 19Inch | 8.0 | 2.5/5.5 | ||||||||||||||
| 8.5 | 2.5/6.0 | |||||||||||||||
| 9.0 | 2.5/6.5 | 3.0/6.0 | ||||||||||||||
| 9.5 | 2.5/7.0 | 3.0/6.5 | 3.5/6.0 | |||||||||||||
| 10.0 | 2.5/7.5 | 3.0/7.0 | 3.5/6.5 | 4.0/6.0 | ||||||||||||
| 10.5 | 2.5/8.0 | 3.0/7.5 | 3.5/7.0 | 4.0/6.5 | 4.5/6.0 | |||||||||||
| 11.0 | 2.5/8.5 | 3.0/8.0 | 3.5/7.5 | 4.0/7.0 | 4.5/6.5 | 5.0/6.0 | ||||||||||
| 11.5 | 2.5/9.0 | 3.0/8.5 | 3.5/8.0 | 4.0/7.5 | 4.5/7.0 | 5.0/6.5 | 5.5/6.0 | |||||||||
| 12.0 | 2.5/9.5 | 3.0/9.0 | 3.5/8.5 | 4.0/8.0 | 4.5/7.5 | 5.0/7.0 | 5.5/6.5 | 6.0/6.0 | ||||||||
| 12.5 | 2.5/10.0 | 3.0/9.5 | 3.5/9.0 | 4.0/8.5 | 4.5/8.0 | 5.0/7.5 | 5.5/7.0 | 6.0/6.5 | 6.5/6.0 | |||||||
| 13.0 | 2.5/10.5 | 3.0/10.0 | 3.5/9.5 | 4.5/8.5 | 5.0/8.0 | 5.5/7.5 | 6.0/7.0 | 7.0/6.0 | ||||||||
| 13.5 | 2.5/11.0 | 3.0/10.5 | 3.5/10.0 | 5.0/8.5 | 5.5/8.0 | 6.0/7.5 | 7.5/6.0 | |||||||||
| 14.0 | 2.5/11.5 | 3.0/11.0 | 3.5/10.5 | 5.5/8.5 | 6.0/8.0 | 8.0/6.0 | ||||||||||
| 20Inch | 8.5 | 2.5/6.0 | ||||||||||||||
| 9.0 | 2.5/6.5 | |||||||||||||||
| 9.5 | 2.5/7.0 | 3.0/6.5 | ||||||||||||||
| 10.0 | 2.5/7.5 | 3.0/7.0 | 3.5/6.5 | |||||||||||||
| 10.5 | 2.5/8.0 | 3.0/7.5 | 3.5/7.0 | 4.0/6.5 | ||||||||||||
| 11.0 | 2.5/8.5 | 3.0/8.0 | 3.5/7.5 | 4.0/7.0 | 4.5/6.5 | |||||||||||
| 11.5 | 2.5/9.0 | 3.0/8.5 | 3.5/8.0 | 4.0/7.5 | 4.5/7.0 | 5.0/6.5 | ||||||||||
| 12.0 | 2.5/9.5 | 3.0/9.0 | 3.5/8.5 | 4.0/8.0 | 4.5/7.5 | 5.0/7.0 | 5.5/6.5 | |||||||||
| 12.5 | 2.5/10.0 | 3.0/9.5 | 3.5/9.0 | 4.0/8.5 | 4.5/8.0 | 5.0/7.5 | 5.5/7.0 | 6.0/6.5 | ||||||||
| 13.0 | 2.5/10.5 | 3.0/10.0 | 3.5/9.5 | 4.5/8.5 | 5.0/8.0 | 5.5/7.5 | 6.0/7.0 | |||||||||
| 13.5 | 2.5/11.0 | 3.0/10.5 | 3.5/10.0 | 5.0/8.5 | 5.5/8.0 | 6.0/7.5 | ||||||||||
| 14.0 | 2.5/11.5 | 3.0/11.0 | 3.5/10.5 | 5.5/8.5 | 6.0/8.0 | |||||||||||