[ARCHIVED THREAD] - Front Detent Install (Page 1 of 2)
Posted: 8/5/2011 8:38:37 PM EDT
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How many fucking times will this accidentally rocket across my room?
How long before I find the fucking detent again?  
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I always have a bag full of extras in my kit as I know I'm bound to lose one with each rifle I build. Safety glasses are a must. I felt the wind off the first launch. I took a 2 hour break, came back. Immediately stumbled upon the detent on the floor. Then proceeded to launch that motherfucker again.
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If you fool with a lot of AR's, Brownells sells a really neat little tool for this.
Linky |
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I use a $1 clevis pin
No way I'm going to pay Brownells or anyone else $15! Read this link, about 10 posts down. (I know it's buried but my first thread went in the archive long ago) http://www.ar15.com/forums/t_3_4/226782_Assemble_your_own_LOWER__UPPER__FREE_FLOAT__TRIGGER__GAS_BLOCK___Step_by_step_instructions_.html&page=14#i3570268 Archive version for Team Members http://www.ar15.com/forums/t_3_4/362116_How_to_install_the_front_Pivot_Pin_using_a__1_clevis_pin___56K_death.html 
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Clevis pin and all that.  Smart people find a tool. Smarter people make a tool. 5/32" drill bit, 1/4" dowel. This and a pin punch have it solved. Homo fucking habilis we are. Thumbs are not enough, you must have a forebrain. Sapiens? We are now. |
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I always use some tweezers or something to hold the detent over the spring, then use a razor blade or xacto knife blade to push it down. then you can slip the takedown pin in right over it, remove the blade, and you are done. My drivers license worked great the other day when I was putting together my last build |
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I made my own a long time ago. |
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Quoted: Quoted: Quoted: Quoted: Use a flathead screwdriver to hold the detent on the spring while you put the pin in. You'll never find it. You might as well send everything you have to me. Everything?  Everything. Come find the detent & it''s yours. I meant everything else! DUH!  |
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I always use some tweezers or something to hold the detent over the spring, then use a razor blade or xacto knife blade to push it down. then you can slip the takedown pin in right over it, remove the blade, and you are done. +1. Need a thin blade to hold it down. |
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While working on a build at my buddy's parents' house, his father, who was an armorer for the Army, gave me the sage advice that, when working on something like that, the first step is to just throw all the small pieces all across the room. It's going to happen anyway and you might as well just get used to it.
"Bullshit" said I. After spending probably 30% of the build time hunting for parts under tables, behind stoves an in the next room I began to think there might have been something to what he said. 
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| Sit under a sheet while you install it. Hold the detent in place with a needle-nose pliers, and push it in flat with a razor blade. Slide takedown pin into place over it. I'm not going to say it's easy - it still takes 3 hands. But it'll be easier and you won't lose the detent. |
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Quoted: I always use some tweezers or something to hold the detent over the spring, then use a razor blade or xacto knife blade to push it down. then you can slip the takedown pin in right over it, remove the blade, and you are done. Replace razor blade with automotive feeler gauge and this is how I did mine. The first one I tried to put in (before figuring this method out) is still orbiting the earth. |
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Have one...works very well. |