I'm beginning to sound like the PR guy for this site, but again, try egun.de as well.
Grips are "griffe" or "griffschalen"
And "rechts" is right hand, "größe" is large, "klein" is small, and "nussbaum" is walnut.
Vintage Airguns Gallery
..Above link posted with permission from Gareth W-B In British slang an anorak is a person who has a very strong interest in niche subjects.