Adjustable/expanding wedges — rotate the adjustment handle to expand the block inside the magwell for a rock-solid, custom fit.
Works inverted — can be used with the lower inverted for easier access to pistol grips and trigger pins.
Oversized edge / knurled texture for better grip in a bench vise and to reduce slipping.
AR-10 sleeve available (sold separately or as bundle) to adapt the block for AR-10 / LR-308 pattern lowers.
Durable polymer construction designed to protect receiver surfaces while holding tightly.