1:7 is a faster twist than needed for most any .224 bullets used in an AR. It was adopted in order to stabilize the very long tracer bullet.
Type: Posts; User: tiriaq; Excluded Forums: Milsurp Knowledge Libraries (READ ONLY)
1:7 is a faster twist than needed for most any .224 bullets used in an AR. It was adopted in order to stabilize the very long tracer bullet.
You can shoot a 68gr bullet in a 1:7 .223.