Note - This brace makes use of gentle rail on the bottom from the body for mounting into the gun and therefore it does not suit Gen 1, or Gen two Glock Handguns. Quoted: Seems like he is lacking the entrance and rear sight equally. The bases are there, https://messiahixhrb.free-blogz.com/73999573/indicators-on-glock-stabilizer-kit-you-should-know