max patriot Posted March 19, 2017 Report Share Posted March 19, 2017 can't locate a replacement for a JL Billet 308 lower receiver's ambidextrous bolt catch pin. Can anyone tell me what the exact length dimension is for this part? The diameter is 0.154", the length is approx. 0.813" but it must be exact as possible. Have the spring. The ambi set came from JL Billet. Excellent workmanship. thanks Quote Link to comment Share on other sites More sharing options...
survivalshop Posted March 19, 2017 Report Share Posted March 19, 2017 (edited) Is it threaded in the Lower Receiver , to accept a threaded pin ? Or is it a split pin type ? Edited March 19, 2017 by survivalshop Quote Link to comment Share on other sites More sharing options...
DNP Posted March 20, 2017 Report Share Posted March 20, 2017 (edited) 23 hours ago, max patriot said: can't locate a replacement for a JL Billet 308 lower receiver's ambidextrous bolt catch pin. Can anyone tell me what the exact length dimension is for this part? The diameter is 0.154", the length is approx. 0.813" but it must be exact as possible. Have the spring. The ambi set came from JL Billet. Excellent workmanship. thanks PM me. I can get one for you tomorrow. I am very close to JL....very close. In a physical location sense...I know what you guys were thinking. Edited March 20, 2017 by DNP Quote Link to comment Share on other sites More sharing options...
max patriot Posted January 13, 2021 Author Report Share Posted January 13, 2021 (edited) according to jl billet that ambi pin's length is 0.5"L which doesn't allow enough right side lever movement to shove the bolt stop FULLY into place. Grinding it to 0.47" allows correct travel to fully engage the bolt stop from the right side AND more importantly the empty magazine traveler to also shove the bolt stop into full engagement. Why their engineers have not dealt with this I don't know. Possibly they have changed dimensions in the width of their newer sets since I acquired mine. (made the pin's tunnel longer or deeper) but I doubt it. The pins diameter is approx. 0.153" made a few from drill bit stock Edited January 13, 2021 by max patriot Quote Link to comment Share on other sites More sharing options...
DNP Posted January 13, 2021 Report Share Posted January 13, 2021 Sometimes there are less engineers involved than you might imagine. Call them up and share your findings with them. It could be that something else is out of spec. I’m not a fan of everything they do, but the do put out some quality pieces and every employee I’ve met there puts their heart into it and seems to take pride in what they do. Nobody is perfect, but I think every member of their team strives to be. Quote Link to comment Share on other sites More sharing options...
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