Atlas - Sako TRG Bracket (BT21) Case Preparation The AHG Safety Look is

The AHG Safety Look is a synthetic cartridge with a red signal flag

Simply tap it on a solid surface as you would a hammer

If you feel interference

The Lowey Products adapter is made of plastic which prevents the metal on metal wear and tear

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Atlas - Sako TRG Bracket (BT21) Case Preparation The AHG Safety Look isThe BT21 Atlas TRG Bracket (ATB) is designed for use with the Sako TRG line of rifles that utilize the TRG bipod attachment slot with 0. 42 hole spacing. The ATB provides a forward mounting position which is also closer to the bore line. It is designed for use with either the 2 screw clamp (BT10, BT65, BT69, BT72) or quick detach lever (indicated by LW17) models of Atlas Bipods, which would mount directly to the Picatinny Rail portion of the ATB.