Part Adjustments for "Warhammer 40K HANDGUN"

It has been noted that the file I remixed from may not be the original posting: https://pinshape.com/users/176560-teptec#designs-tab-open

These are modified parts for TheTNR's "Warhammer 40K HANDGUN". I have included:

- Replacement for triggerguard_1, for use with the grip_full version of the grip
- Replacements for the front and back sights, with larger underside cavities
- Magazine, not altered but rotated 11.23 degrees to lay flat

I found that the grip_full file differs from the sp