Atlas - Area 419 Arcalock Spigot Extension Birchwood Casey and cases with small (

and cases with small (

Can be set for 1/2

(DD1111 & DD2222) When used in conjunction with the Datum Dial (DD1010)

The gauge allows you to see just how much you are sizing back your shoulder on your cases

and surface rust

Atlas - Area 419 Arcalock Spigot Extension Birchwood Casey and cases with small (The ARCALOCK Spigot Extension was designed for Area 419s ARCALOCK clamp and any ARMS17 S accessory with matching hole pattern of 1. 100. It is ideal to adapt the BT35 NC 5 H Atlas Bipod to an ARCA clamp for clearance of the cradle and operation of the clamps knob. It will also extend all NC or No Clamp models (BT10 NC, BT46 NC, BT47 NC, BT35 NC, BT65 NC, BT69 NC, BT72 NC) of Atlas Bipods out extra 1. 25 for increased stability. To use with your Bipod