Laylax Picatinny Rear Stock Base Set for Tokyo Marui MP5 Series Airsoft AEG, Accessories & Parts, External Parts, MP5 External Parts, MP5 Stocks - Evike.com Airsoft Superstore
A3 Tactical Rear Stock Adapter for HK MP5/SP5 | Customer Rated w/ Free S&H
Bow Master - 20mm Rail Stock Adaptor for VFC MP5 GBB / TM MP5 Next Gen
MP5 Brace/Stock Adapter Full Size - AtlanticFirearms.com
LayLax MP5 Picatinny Rear Stock Base Set | SS Airsoft
3D Printable HK MP5 Buffer Tube Adapter by AllArms LLC