There's enough material to post once per hour on Macks for the next 15 years!
I've put a few items in there too (at reasonable prices, 65% of rrp yallayalla), I'm getting some dumb offers, didn't know I had "charity" next to my name.
I fucking love when your gun is fucking spot on at home (even after fucking extensive testing), but then on the field it does whatever the fuck it wants.
As you only run 1J though I'd say aap. The mk23 carbine kit is great for a dmr with higher FPS but at 1J levels the aap for it's better rate of fire and trigger pull.