For LCT
➤ LCK-74 / MRK-74 / LCK-74M / LCK-74M Plum
➤ LCKM / LCKM (Stainless Steel) / LCKM Economy / M-LOK LCKM
➤ MRK-105 / M-LOK LCK104
◉The following series need to mate it with PK167: LCKM-63 / TX-6
◉The following series need to mate it with PK030 / PK343 Trigger Guard : M-LOK LCK104 / M-LOK LCKM
◉if it non-LCT products，we can't sure compatible or not.
