Accommodates one point sling, using *PBSS push button sling swivel.

Advantages:

No tube disassembly; simply slide over tube.
Very popular for VIP protection & other security missions.
Ideal location, to balance the weapon.
Assisting whiled operating Pistol.
Design for left/right handed users.
To complete the *OPSMP, it is necessary to use *PBSS, or identical product.