These have become hard to find with all the new MP5 clones coming out. SB Tactical SBT5KA Brace for MP5K, SP89, SP5K, SP5-PDW, and other similar clones. These side folding braces are a tough as they come. Made in the USA, adjustable nylon strap, metal endplate with QD mount! These are new in the box, ready to ship!