Our new SS-19 Polymer Side Folding Stock for 4.5MM and 5.5MM side folding trunnions with LOCKING KNUCKLE! 
 
Length Collapsed: 200MM/7.875" from rear face of trunnion
Length Fully Extended: 260MM/10.25" from rear face of trunnion
Weight: 398G/14oz (non locking version)
Available in 4.5MM and 5.5MM for left side folding trunnions
4.5MM Locking version includes new 4.5MM pin
Stock is made from injection molded polymer and Knuckle is made from billet 6061-T6 aluminum(Non Locking) or 1018 structural grade steel(Locking)
 
Polymer Cheek Risers coming in the near future. 
Locking version starts shipping Friday 9/12