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Posted: 6/30/2015 10:56:50 AM EDT
[#1]
The front sight is pinned in place. You punch out the pin and swap with the new sights. 99.9% of the time the pin hole in the new sight is not correctly sized for your gun. So you drill the hole in the front sight using the holes in the slide as a guide. Then pin it in place.
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Posted: 6/30/2015 9:59:13 PM EDT
[#2]
Quote HistoryQuoted:
The front sight is pinned in place. You punch out the pin and swap with the new sights. 99.9% of the time the pin hole in the new sight is not correctly sized for your gun. So you drill the hole in the front sight using the holes in the slide as a guide. Then pin it in place. Odds are, there will not even be a hole in the new sight, at least the Meprolights do not come pre-drilled. As long as you pay attention to what you are doing, it's a pretty easy task. I've done about 4 sets on my CZs and they all were completed without issue. -- Mike |
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Posted: 7/5/2015 10:20:14 AM EDT
[#3]
Quote HistoryQuoted:
Odds are, there will not even be a hole in the new sight, at least the Meprolights do not come pre-drilled. As long as you pay attention to what you are doing, it's a pretty easy task. I've done about 4 sets on my CZs and they all were completed without issue. -- Mike Quote HistoryQuoted:
Quoted:
The front sight is pinned in place. You punch out the pin and swap with the new sights. 99.9% of the time the pin hole in the new sight is not correctly sized for your gun. So you drill the hole in the front sight using the holes in the slide as a guide. Then pin it in place. Odds are, there will not even be a hole in the new sight, at least the Meprolights do not come pre-drilled. As long as you pay attention to what you are doing, it's a pretty easy task. I've done about 4 sets on my CZs and they all were completed without issue. -- Mike Thanks for the replies. Do new sights usually come with the pin, or will that have to be ordered separately? Also, is the drilling something that's okay to do with the slide in a vise and a cordless drill, or better off with a drill press or similar? |
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Posted: 7/11/2015 11:24:59 PM EDT
[#4]
Quote HistoryQuoted:
Thanks for the replies. Do new sights usually come with the pin, or will that have to be ordered separately? Also, is the drilling something that's okay to do with the slide in a vise and a cordless drill, or better off with a drill press or similar? Drive the existing pin out nice and easy and reuse. I did all my drilling with the slide in the vise. So far, I've put night sights on four of my CZs this way. -- Mike |
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Posted: 7/12/2015 5:27:40 PM EDT
[#5]
Quote HistoryQuoted:
Drive the existing pin out nice and easy and reuse. I did all my drilling with the slide in the vise. So far, I've put night sights on four of my CZs this way. -- Mike Quote HistoryQuoted:
Quoted:
Thanks for the replies. Do new sights usually come with the pin, or will that have to be ordered separately? Also, is the drilling something that's okay to do with the slide in a vise and a cordless drill, or better off with a drill press or similar? Drive the existing pin out nice and easy and reuse. I did all my drilling with the slide in the vise. So far, I've put night sights on four of my CZs this way. -- Mike drill from left side of the slide. CZ Custom explains if you drill from the right side it might move the front sight off. Drill bit moves clockwise. Drilling left side will keep the front sight from moving. Nothing like breaking a bit in the slide while trying to drill that hole. Absolutely terrible. 
1 out of 2 success rate for me. 
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Posted: 7/16/2015 8:44:46 PM EDT
[#6]
Quote HistoryQuoted:
drill from left side of the slide. CZ Custom explains if you drill from the right side it might move the front sight off. Drill bit moves clockwise. Drilling left side will keep the front sight from moving. Nothing like breaking a bit in the slide while trying to drill that hole. Absolutely terrible. 1 out of 2 success rate for me. +1 on drilling from the left side. I held off from doing this for the longest time because I thought it would take a drill press to accomplish. One day I just muttered "what the heck" and did it free hand. From that point on, I was good to go. -- Mike |
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Posted: 7/18/2015 9:31:48 PM EDT
[#7]
What size drill bit ? I need to put a lower front sight on my Shadow .
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Posted: 7/19/2015 9:05:41 AM EDT
[#8]
Quote HistoryQuoted:
What size drill bit ? I need to put a lower front sight on my Shadow . http://czcustom.com/CZ_Front_Sight_Drill.aspx Go to a better hardware store that carries numbered drill bits, #47. The big box stores will not carry numbered drill bits, at least mine don't. 5/64 is a hair bigger than a #47 and up to you to decide if you want to try it or not. |
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