Here is my entry:

Remington 597 22LR semi-automatic
Volquartsen Extractor
Volquartsen Target hammer (trigger improvement, -50% pull weight)
Volquartsen Scope Rail
Primary Arms MIL/MIL 4-14x44 FFP (Actually really nice for the $240 price tag).
Primary Arms LOW tactical rings
Blackhawk Swivel Bi-Pod.