| 
For Tokyo Marui M1911A1.
| The Outer diameter |
The Inner diameter |
TheTolerance |
The Barrel Size |
| 8.55mm |
6.05mm |
±0.004mm |
7 inch size |
The tolerance is ±0.004mm.Other brass barrel's tolerance is ±0.02 - 0.04mm. We achieve that high quality cause we adopt the cold hammering way to make the SUS304.
This barrel is 7 inch size & come with the 14mm ccw attachment to cover with the extended tip. |