AMTIII slide differences |
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Luc V. 
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Joined: 09 Mar 2008 Location: Belgium Status: Offline Points: 1433 |
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 Topic: AMTIII slide differencesPosted: 13 Aug 2025 at 3:01pm |
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During a visit here last Sunday, member Yellow pointed out to me that my slide is much different than his.
The ejection port (opening) on my AMT is MUCH bigger as his IAI pistol. I never noticed that as I only have one AMT III... Does anyone else has a AMT with this big ejection port? I believe Mike's pistol is also an AMT? Picture from the top:  Left side of the slide is ALSO cut away:  The right side:  |
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Yellow
International Auto Mag 
Joined: 15 Aug 2023 Location: Belgium Status: Offline Points: 51 |
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Posted: 14 Aug 2025 at 10:54am |
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Here is mine. My 3 IAI AMiii’s look exactly the same
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Pantera Mike
Callahan's Auto Mag 
Joined: 20 Jan 2018 Status: Offline Points: 1007 |
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Posted: 19 Aug 2025 at 4:25am |
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My Irwindale AMT also has the larger ejection port:
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Pantera Mike
Callahan's Auto Mag
Joined: 20 Jan 2018 Status: Offline Points: 1007 |
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Posted: 19 Aug 2025 at 4:30am |
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More pics:
  I can’t tell if it’s longer front to back. But it is definitely substantially wider than the earlier IAI gun. Notice that the left side of the opening on the IAI slide ends at the top of the slide, and some of the flat portion of the rib exists to the left of the opening, while on the AMT slides the opening continues much further to the left, past the top of the slide and going partway down the left side of the slide. Perhaps this aids ejection, but it probably reduces strength. |
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Pantera Mike
Callahan's Auto Mag
Joined: 20 Jan 2018 Status: Offline Points: 1007 |
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Posted: 19 Aug 2025 at 5:09am |
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…and here is a pic from the internet of both an early IAI and early AMT slides, both of which have the smaller ejection port:
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Luc V.
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Joined: 09 Mar 2008 Location: Belgium Status: Offline Points: 1433 |
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Posted: 19 Aug 2025 at 5:24pm |
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Yes Mike, that tought about strength was also my first concern.
I think I experiment abit with havier recoil springs. Oh BTW, now it makes me wonder if the recoilsprings and plug are differnet also... Funny thing those AMT III's, the more you look at them the more questions come up... |
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