Sinclair International .17 Cal/.45 Cal Bullet Comparator and Bump Gauge Body Kit

Sinclair International .17 Cal/.20 Cal/.22 Cal/.270 Cal/.30 Cal/.338 Cal Hex Style Bullet Comparator

Sinclair International .22 Cal/6mm/.25 Cal/6.5mm/7mm/.30 Cal Hex Style Bullet Comparator

Sinclair International .27 Nosler/.26 Nosler 35 deg Shoulder Bump Gauge Insert

Sinclair International .243 Winchester/.308 Win 20 deg Shoulder Bump Gauge Insert

Sinclair International .338 Federal/.338 Lapua Magnum 20 deg Shoulder Bump Gauge Insert

Sinclair International .30 Cal 45 deg Shoulder Bump Gauge Insert

Sinclair International .257 Roberts +P/.338 Cal 40 deg Shoulder Bump Gauge Insert