This is the UTG Recon Flec bipod that directly attaches to M-LOK handguards at the 3 and 9 o'clock positions. The center height adjusts from 5.7"-8" and the fully adjustable legs have 5-precut extendable lengths. Requires the length of 2 M-LOK slots per leg.Features :Black finishRecon Flec M-Lok Bipod"Adjusts from 5.7" to 8""