making sure the mag doent get accidently relesed and lost , i have know a couple og guys that managed that ! though i still very rarely bother , i have more than one and mags are freely availble from mags uk , i carry two anyhow .
I have known folks lock it and loose the key but not ever heard of a fault with the lock, they dropped it pretty fast after they introduced this one of mine doesnt have it the other does , got it when the 75 was newly launched and never had an issue . only used it once or twice and cant actually work out how you get it to lock without using a key .
I did know a guy who locked his then lost his key , thats dumb ! i have the code to order another key taped to the inside of the safe