Colt Sear Block and After market triggers

[George Sr.]

Are there any large pin after market triggers (170 pin) that can be installed in the Colt Ar-15 with the the old style sear block? It seems that the sear block would interfere with the the replacement trigger.

Information

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[gsp2007]

In my older Colt H-Bar, I had to remove the sear block to use a Geisiele trigger;however, no problem wiht a Jewel

[Cajun J]

I have a Colt Government model which I purchased in 1989, one week before they stopped making ARs for a while. I put a Rock River Arms National Match trigger in it with no issue.

[jim-analog]

Greetings,

I have a Colt sear block, large pin lower. I specifically wanted a 2 stage trigger and did not want to remove the block. The one I found was made by JARD (only the non-adjustable version will fit). That seemed about the only option in my searching. If you want a single stage there are more options available. Though not nearly as nice a the Geiselle 2 stage triggers I have in my other ARs, the JARD is pretty decent.

Good luck!
Regards, Jim