One of these will be required for your A-TEC centrefire suppressor. These allow the suppressor to attach and detach with a single 60 degree twist.
The A-LOCK Mini threads onto the muzzle and are available in all common threads. Please indicate which thread you require by adding a comment to your order.
These are NOT required for A-TEC’s rimfire suppressors.

Range Guide 3200 8x40 LRF Binocular Black (GPO)
Leupold VX-FREEDOM 4-12X40 CDS DUPLEX
A-TEC Mega H2 
