Thx dude... The 30g is a leur lok 3ml syringe so its not flimsy and isnt pulld out far... I think my docs theory is if u can shoot sub q or im then if its not deep into muscle then its in the fat which is just as good ? Cuz fat absorbs test as well.. And i push the needle in hard.. But like u i prefer the 25g.. Mainly 5/8" into delt...