oldfortyfiveauto
Member
- Joined
- Mar 9, 2008
- Messages
- 488
Quote:
I've owned an Iver Johnson TP22 since the early 80's. It has a "pot metal" receiver and slide. Gun probably has 10,000 rounds through it and is still pretty much like new. In my past engineering life we used Zamak for heavy duty door pivots and they outperformed the older steel ones. In a good design Zamak is great. In a bad design nothing is worth a @#$%.
Code:
The rifle itself (22LR versions) are not made out of Zamak or an alloy, the receiver is made out of steel but the receiver covers are made out of Zamak and durability has never been an issue.
All wrong. The receiver is made from Zamak, i.e. pot metal. The receiver cover is painted aluminum stamped sheetmetal. And that is only the rimfire version so it's really irrelevant to this discussion.
I've owned an Iver Johnson TP22 since the early 80's. It has a "pot metal" receiver and slide. Gun probably has 10,000 rounds through it and is still pretty much like new. In my past engineering life we used Zamak for heavy duty door pivots and they outperformed the older steel ones. In a good design Zamak is great. In a bad design nothing is worth a @#$%.