Nushif
Member
The new gen 4 Glocks have interchangeable backstraps, which helps shooter with smaller of larger hands, so the sizing shouldn't be an issue. In fact, it's probably one of the more elegant solutions out there.
While I do think you're right, the logistics behind those backstraps issued to people are ugly an unelegant. Remember, they have to be accounted for, stay with the pistol at alll times, serialized and maintained.
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You have to carry all of them with you, even if you only use one, they are an accountable item that you need an LOC for is you dare lose one, they are a high cost item because of all the man hours involved in them, and while living in a tent people are bound to screw up the serial numbers on them, leading to great confusion while de-issuing the gun. Or they fall out of their pockets in the field. And that needs a lost tool report or worse a lost weapon report.