The Magpul SL Handguard for the H&K SP89/MP5K is a high-strength injection-molded polymer handguard solution that provides the user with improved ergonomics. Its an injection-molded handguard solution for SP89/MP5K and clones that provides increased utility and enhanced control of the firearm. The SL Handguard features M-LOK compatible slots at the 3 6 and 9 o’clock positions with a large muzzle-end hand stop similar to the HK “K” style handguard and a threaded fastener provides rigidity and stability without the need for a user-adjusted tensioning mechanism. Compatible with SP89 / MP5K and clones with 5″ barrel. Made in the USA.