Apr 11, 2015 · If the KNS pins are still stainless, they will gall and develop rough burrs against hardened tool steel. Its just a matter of time. I heard they may have been redesigned. Not …

Feb 22, 2023 · Unless my lower is very tight of the get go, I run KNS machined oversized pins, (not the anti-rotation pins). They eliminate any little movement and noticeably tighten up the …

Feb 16, 2019 · A little bit of slack is normal. We might have one on the thick side of the tolerance, but if the bosses for the bolt catch are too wide apart (TDP spec gap is 0.167 + 0.010 / -0.00), …

Jun 4, 2019 · The brain trust over at /r/AR15 recommended KNS anti-rotate pins. I ordered a pair (one for my Ruger, one for an upcoming build that I already have an Aero lower for) just in …

Jun 5, 2020 · Put the KNS pins in and the first thing the came to mind was “this shit is complicated”. Fiddled with it to get the grooves in the pins lined up to get the dog bone thingy …

Apr 24, 2012 · The stupid in this thread is that people are saying that these KNS pins are needed to keep receiver pins from walking or to keep reciever holes from becoming "egged". Steve …

Jul 2, 2009 · The KNS pins also have sharp edges on their ends, which tend to tear up the J pin on the hammer upon insertion. Depending on your Gen of KNS pins, you will have at least one …

Feb 2, 2017 · IF you've ever installed KNS anti walk/rotate pins you'll know that they DO indeed move (but less so). ANY movement will cause egging eventually. Doesn't matter if you use …

Aug 8, 2012 · Geissele SSA pins are 0.1550" dia 0.0001. Holes in the trigger can be 5 tenths over Geissele pin size. Kns pins are either .154 or .1555. So they are either too loose or just about …

Jan 27, 2010 · My 9mm pins were walking so I put the KNS pins in. My .22 conversion kit broke both the hammer and trigger pins, so it'll be getting KNS pins as well. Posted: 2/6/2010 …