Your rifle's handguard has a convex profile between the rear sight and lower band. You need a handguard with a straight profile. And here's a picture of an acceptable cocking piece.
https://imgur.com/a/vt8XQjI.jpg
J.B.
Your rifle's handguard has a convex profile between the rear sight and lower band. You need a handguard with a straight profile. And here's a picture of an acceptable cocking piece.
https://imgur.com/a/vt8XQjI.jpg
J.B.