Question on Tracer Round OAL - FN FiveseveN Forum

Question on Tracer Round OAL - FN FiveseveN Forum: "Keep it closer to 1.575-1.580. The ogive on military bullets vary dramatically and with some, on a longer OAL, may contact the lands/grooves spiking pressure. Also, the old white capped tracers are very unreliable. Only about 40% will light. If you can get the copper base tracers, you will experience 100% function. If you can't find any, drop me a PM or email and I'll get you some from my suppliers (at my cost). -Ryan P.S. I much prefer TrueBlue over HS6. It meters better and has a more even pressure curve. -RH"