ZeroTech Adjustable BDC Turret Uses Five Resettable Distance Markers

ZeroTech Optics has released Adjustable BDC Turrets for its riflescopes, swapping a fixed, engraved bullet-drop dial for five distance markers the shooter can move, Soldier Systems Daily reports from the company's announcement.

Snapshot

The announcement explains how a top selector frees one marker at a time above the standard MIL or MOA scale, and says the turret fits only certain B-designated ZeroTech scopes. ZeroTech argues resettable markers keep up with changing ammunition and conditions better than a fixed custom dial, and suggests tying them to ranged hunting spots or known target distances.

Key points

• Five markers: The system uses five numbered Adjustable Impact Markers (AIM), each set and locked as a personal distance reference.
• Standard scale stays: The markers sit above the scope's usual MIL or MOA elevation scale, so a shooter can use a preset or dial a conventional correction instead.
• One at a time: A selector on top frees a single marker while the rest stay locked, then returns to its locked setting.
• Tools: Moving the markers needs no tools, though ZeroTech says first-time aftermarket installation or alignment may.
• Fit: The turret works only with certain B-designated ZeroTech scope models, and the company says to confirm the exact SKU before ordering.

Quick take

ZeroTech's argument is that a fixed custom dial falls out of step with a rifle's real trajectory once the ammunition or conditions change, and that resetting markers to new, verified ballistic data beats ordering another engraved dial. The company suggests hunters set markers for clearings they have already ranged, while target and competition shooters can match them to known-distance targets.

Read the full story at Soldier Systems Daily.