wolverine_173
Member
- Joined
- Mar 3, 2011
- Messages
- 384
I know the sigs are made of aluminum alloy. Are most other frames that are metal made of the aluminum alloy such as the Cz's, smith and wessons, 1911's?
How many rounds will a sig frame last if the recoil spring is replaced every 3000 rounds?
Does polymer last longer than aluminum alloy?
How many rounds will a sig frame last if the recoil spring is replaced every 3000 rounds?
Does polymer last longer than aluminum alloy?