That's some intriguing furniture on that AR-pattern rifle. Thanks for posting the course manual. This is something I can easily do at my friend's back yard (he loves shooting, the more tactically inclined, the better!).
"...A humble and contrite heart, O God, thou wilt not despise." Ps. li
"When law and morality contradict each other, the citizen has the cruel alternative of either losing his moral sense or losing his respect for the law." —Frederic Bastiat