The 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.

Although the No Clamp (NC) models can be mounted onto the ATB, it requires installation of the bipod during the installations of the ATB prior to reassembly of stock. THIS RESULTS IN A SEMI-PERMANENT, DEDICATION OF THE BIPOD TO THAT PARTICULAR RIFLE.

The ATB is constructed from 6061-T6 Aluminum with a Type III hard anodized finish and heat treated alloy steel with a Manganese Phosphate finish. Available in black only. Fasteners included: two (2) M5 – .8 x 10” flat head socket cap screws, two (2) 10-32 x 3/4” flat head socket cap screws and two (2) 10-32 x 5/8” flat head socket cap screws

Please note:

1. The BT21 is for use with standard SAKO factory barrels ONLY.
2. INSTALLATION REQUIRES THE BARRELED ACTION TO BE REMOVED FROM THE STOCK. See installation here.
3. THE ATB WILL NOT CURRENTLY WORK WITH TRI RAIL SYSTEMS FOR NODS (NIGHT OBSERVATION DEVICES). AN ADAPTER IS PLANNED.