The SBT5 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 - SBT5 Specifications - fit: HK MP5/MP5K Reverse Stretch Clones - width [max]: 2.25 - length: 11.3 - strap width: 1.0 - weight: 13.5oz - color: Black