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Discussion Starter · #1 ·
I scored 87 rounds at the gun show for $40 bucks. I got 31 golden saber 165 grain. 40 180 grain FMJ Match (these have Mcnett headstamp). 11 gold dots Of unknown weight and 5 of another type of hollow point which might be xtp Hornady. Only the Full Metal Jacket match has mcnett headstamp. Rest has Doubletap stamps. I hear you guys talking a lot about running 21 and 22 lb Springs. What is the threshold that warrants this upgrade? The golden Sabres are rated at 1425 fps. But I think that data uses a 14 and 1/4 inch test Barrel. The Gen 4 have dual recoil springs and I was wondering is a recoil spring upgrade necessary?

Also, when did Mike mcnett use his name for a headstamp? Would this indicate an early production before double tap was formed?

I do not want to change Springs if I don't have to however a stainless steel guide rod sounds appealing. I'm a Sig man. This is my first Glock. I don't even know what material the guide rod is made from yet. I've been working a lot and haven't disassembled it yet.

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Discussion Starter · #3 ·
Yes, a totally stock 20 will handle it fine. However if you reload you may have a problem with the brass.

But yes, it's safe to shoot that factory load without any modifications.
Thank you for your fast reply. Do you know if a Glock guide rod is fine? Is there any reason to change it to an after-market?

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Discussion Starter · #8 · (Edited)
A standard 180 grain load of 1250 to 1300fps suits me. I will stay stock. I'm not interested in shooting 40 S&W from it, and I do not reload. It will be Factory stuff, names with good reputation.

There was some loads for sale at the gun show but they were made by some guy in his garage. I understand that is how double tap started out but he made a name for himself with quality ammunition from the start. I only trust what gets good reviews. But You never know what you might run into. I have had Winchester Supreme rifle cartridges not even crimped. you could pull the bullets right out of the cartridge case. I've also had to bump back to shoulder on some Federal Premium rifle cartridges that were too tight to turn the bolt home in my Sako. I am not a reloader but my father is I had to purchase a bump back die and use his equipment.

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Discussion Starter · #12 ·
So far the ammunition I have is Sig V crown which by the reviews achieves advertised velocity of 1250 I believe. Then I have the double tap that I mentioned above 165 and 180 grain. But if I am going to order ammunition it would be 175 grain Winchester silver tips if I ever see any appear on GunBroker;

I am tempted to order some Underwood maybe 165 or 180 grain jacketed hollow point.

The Xtreme penetrator is very interesting but I imagine that is considered a Hot Load.

If a load actually achieves the velocity of 1250 to 1300 from a G20 at 180 grains, from my reading I'm led to believe that is considered a full power factory load, probably a little under the max load guidelines for companies to meet their liability standards.

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Discussion Starter · #17 ·
I think I'm settled on just picking up some more Sig v crown. I will hang onto the double tap also. It was a good buy at 40 bucks for 87 rounds. they are $50 for 50 rounds from Double Tap.

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