The SBT5(TM) enhances your MP5/MP5K Reverse Stretch with an integral, side-folding polymer endplate. FEATURES Complete assembly, ready-to-install Molded polymer end cap with QD socket Integral, side-folding mechanism Designed for 9mm only US veteran designed and proudly made in the USA PRODUCT INCLUDES: Complete assembly Adjustable nylon strap Due to varying tolerances between roller lock manufacturers, gunsmith installation / fitting may be required. SBT5(TM) SPECIFICATIONS FIT:HK MP5/MP5K Reverse Stretch Clones WIDTH [MAX]:2.25" LENGTH:11.3" STRAP WIDTH:1.0" WEIGHT:1 Mfg: Sb Tactical