Bcn complete lower In the course of testing I don’t think I at any time let the fourteen.5” barrel entirely cool, just taking pictures 5 pictures and walking right down to mark/measure then repeating the cycle. Load Little Huge Normal This is actually the fifth BCM LPK i've acquired, and https://bcm-lower-receiver91234.dgbloggers.com/29245884/about-bravo-company-lower