For LCT
LCK-74MN / MRK-74 / LCK-74M / LCKS-74M / STK-74 / LCK-74 / LCKS-74 / LCKM / LCKM (Stainless Steel)
LCKMS / LCKMMS / LCKM Economy / AIMS / AIM Carbine / G-03 / G-03M / / TKMS / TIMS
LCK-104 / LCK-105 / MRK-105 / G-04 / G-04M / MG-MS / TK-104 / TK-105 / TK-102
RPK / RPKS74 / RPKS74MN /
PP-19-01 / TK-PDW-9MM / LPPK-20
(LCKM-63 / ZKS-74M / ZK-104 / M-LOK LCKM / M-LOK LCK104 Need to be used with PK-127 LCKM Gas Tube. )
if it non-LCT products，we can't sure compatible or not.
