RMR MPR 124gr 9mm
Glock 17 Gen4
CCI-500
OAL=1.070” (I have since switched to 1.050” for expanded compatibility with other guns)
CFE-Pistol
5-shot groups
Grains of Powder, Ave FPS, SD
4.2, 946, 15.5
4.4, 1003, 30.4
4.6, 1016, 13.7
4.8, 1053, 26.0
5.1, 1124, 16.1
5.3, 1154, 8.1
5.5, 1179, 17.6
I have loaded and shot many thousands of rounds using this formula and 5.1gr of CFE-Pistol in Glock 17 Gen4, Glock 19 Gen3, and Sig P365xl.
Winchester 231
10-shot groups
Grains of Powder, Ave FPS, SD
4.7, 1159, 8.3
4.8, 1187, 14.1
4.9, 1194, 7.9