That's just it, don't know what to do. The second pic is .450 Bushmaster 20" barrel upper made by Bushmaster. Got a good deal on it from another gun site. It got me 2 deer this year.
[ame=http://www.metacafe.com/watch/an-LRKJnbYth2mb/the_fast_and_the_furious_2001_before_the_race_part_2/]The Fast and the Furious (2001): Before the Race Part 2 - Video[/ame]