>>65080743
When you’re in the bush for a long time the thumbhole is a good way to relieve sexual energies

>>65080743
Nah, the cuck rituals of thumb hole stocks and arm braces are US-exclusive idiocies. Everybody else has their own dumb ideas regarding how to make military rifles unattractive to the kind of criminals who'd buy their rifle at the gun store.

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>>65080743
>Is there any real purpose to these?
I think they look cool. For reasons unknown to me they're on a ton of precision rifles
>>65080782
>US-exclusive idiocies
Why did they Russians, Germans, and Romanians design thumbhole stocks on their military and police rifles?
>SVD
>WA2K
>PSL
Etc

>>65080814
Other countries do things because they are stupid and evil. The USA does things because we are the #1 exporter of potassium (unless I disagree with those things in which case it was trannies or the blacks, or perhaps even black trannies)

>>65080743
They're good for benchrest target rifles because you get maximal contact with gun. It's the same idea as those really elaborate grips you see on match target pistols. You're basically min-maxing the ergonomics of the gun to be superior off the bench, but less flexible in other positions. What you posted is purely cosmetic.