Shawnmoore81 623 Posted October 24, 2014 Ever see a bcg without a retaining pin? Quote Share this post Link to post Share on other sites
High Exposure 5,635 Posted October 24, 2014 http://www.midwayusa.com/product/890682/dpms-firing-pin-retaining-pin-m-16-style-ar-15-stainless-steel Quote Share this post Link to post Share on other sites
MidwestPX 172 Posted October 24, 2014 That looks like a KNS perma-pin. Quote Share this post Link to post Share on other sites
GRIZ 3,365 Posted October 24, 2014 Ever see a bcg without a retaining pin? ImageUploadedByTapatalk1414191240.096974.jpg How would you keep the firing pin where it's supposed to be? Quote Share this post Link to post Share on other sites
High Exposure 5,635 Posted October 25, 2014 They just replace the "cotter pin" with a plug. Quote Share this post Link to post Share on other sites
GRIZ 3,365 Posted October 25, 2014 I couldn't open his photo. Didn't see there was a pin there. Quote Share this post Link to post Share on other sites
Rob0115 1,105 Posted October 27, 2014 Hers a picture of the perma pin they used. It's a flat head almost like a nail. http://www.knsprecisioninc.com/gun-parts-and-accessories/m16-parts/perma-pin-firing-pin-retainer.html Quote Share this post Link to post Share on other sites