Precision/precision tests of this barrel was performed following a 200 round split-in period of time. All taking pictures was finished from my bench-rest set-up pursuing my typical protocol. This is called carrier tilt. The ALP allows the working rod to wiggle to accurate with the downward pressure about the bolt https://kacquadrailcarbine19528.blogmazing.com/29025958/top-guidelines-of-ras-m4