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  #1  
Old 10-12-2017, 11:38 AM
andmancrex andmancrex is offline
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Default Para Ordnance LDA Hammer and Sear Location. HELP!

Im sure im not the first to ask you this question. (Please see attachments)

I was wondering if you can help me out with to Sear Hole Location from the center of the Slide Stop Pivot Hole (YELLOW in attachment)
To the LDA Sear Hole (PINK in attachment)?

What is (DOWN)?
What is (ACROSS)?

I got a 80% frame (LDA Single Stack Officer 3.5 length barrel) from Sarco Inc. and i cant find that dimension anywhere.
Not knowing much about the Lda at that time of purchase.
I already have all the parts to complete this build but that hole location.

I know i can convert to single action but i dont want to do that yet since i already have all the double action parts.


If you "cant" help, can you please point me in the right direction?

I am building a Universal Drill/Slide cut fixture with drill bushings for single and double action (LDA) so these numbers wont be a mistery anymore and i will share to whomever needs them.
I know there's fixtures on the market already but not for the LDA Sear Hole Location.
If I am missing any details please let me know.

Please no smart remarks.
We are adults here.
I know im a noob, and you were once one too.


Thank you very much.

Andy O.
Attached Images
File Type: jpg 20170531_114549.jpg (51.0 KB, 28 views)
File Type: jpg 20170531_114715.jpg (47.5 KB, 18 views)
File Type: jpg 20170531_114756.jpg (46.1 KB, 17 views)
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  #2  
Old 10-12-2017, 2:04 PM
t0rin0's Avatar
t0rin0 t0rin0 is offline
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It looks like you already have the holes drilled. How did you do that if you don't know where they are supposed to be? With a jig? And are they different than a regular single action 1911? If so, hopefully someone else will chime in. If not heres your direction:

Step 1) look at the pinned post in this forum about blue prints

http://www.calguns.net/calgunforum/s...d.php?t=863039

Step 2) click on the PRINTS link

http://www.klstottlemyer.com/prints-drawings-etc.html

Step 3) scroll to the bottom for the 1911 manuals, click on Volume 2 and go to page 70

http://www.klstottlemyer.com/ewExter...Kuhnhausen.pdf

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  #3  
Old 10-15-2017, 8:26 PM
rrwallace rrwallace is offline
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Location: Northern California
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Quote:
Originally Posted by t0rin0 View Post
It looks like you already have the holes drilled. How did you do that if you don't know where they are supposed to be? With a jig? And are they different than a regular single action 1911? If so, hopefully someone else will chime in. If not heres your direction:

Step 1) look at the pinned post in this forum about blue prints

http://www.calguns.net/calgunforum/s...d.php?t=863039

Step 2) click on the PRINTS link

http://www.klstottlemyer.com/prints-drawings-etc.html

Step 3) scroll to the bottom for the 1911 manuals, click on Volume 2 and go to page 70

http://www.klstottlemyer.com/ewExter...Kuhnhausen.pdf

t0rin0,

andmancrex is looking for information on the light double action version of Para Ordnance's 1911.

Your best bet is to have someone with an LDA measure it for your. Have you tried the forums.1911forum.com for PO LDA owners?

Check at the bottom of this link https://www.m1911.org/technic27.htm This has very good tear down info and the provider of this info listed his email address. You might ask him to measure this for you.

or, this guy is selling his. he might help you...

http://www.calguns.net/calgunforum/s...highlight=para

Last edited by rrwallace; 10-15-2017 at 8:45 PM..
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  #4  
Old 10-21-2017, 9:46 AM
andmancrex andmancrex is offline
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@rrwallace,you are correct.

I got a legit print from an LDA and made my own drawing on SolidWorks and saved it as a PDF based off of the three holes, slide stop, Hammer hole, and sear hole. Here's the drawing link, since I can't upload from my phone.

https://forum.m1911.org/showthread.p...p-Hammer-Print
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