Based on the 3rd Alpha Playtest (June 12 to 15). Some entries may be incomplete or change in future releases.

Loot table

Weapon Mods Double Barrel Shotgun

7 drops7 weighted

Pick one (weighted)

Choke×11%
Custom Grip×11%
Light Stock×11%
Linked Hammers×11%
Sawed Off Kit×11%
Shell Ejector×11%
Shell Ejector×11%

Weighted "pick one" tables roll a single entry by chance; "drops all" tables yield every listed entry. Quantities show as a range when the drop amount varies.