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Tag: BDC

Bullet Drop Compensators - by Aaron Davidson

By Mark on January 24, 2013

Bullet Drop Compensators (BDC) are simply target style elevation turrets on a rifle scope which are calibrated in yards rather that the standard MOA (or ¼ MOA clicks). By simply turning the BDC turret to display the proper yards to target, rapid adjustments for bullet drop at varying distances can be made. Because they mark the scope adjustment for zeroing at different ranges, BDC turrets are cartridge specific-in fact, how specific determines how accurate the BDC turret can be. 

Unfortunately for the consumer, all BDC turrets are not created equally, some are so crudely constructed that they require tedious hours at the range determining the zero adjustments for all...

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