OPSM features a single point sling mount for snap clips or conventional sling up to 1.25" webbing. There is no tube disassembly is necessary. It has a remove collapsible buttstock, a slide on tube, position properly and secure.
Specifications:

Type	Single Point Sling Mount
Model	AR-15
Dimensions	2.11" x 2.1" x 0.67"
Size	1.25"
Material	Aluminum
Action
Trigger
Safety
Thread Pattern
Finish	Black
Bolt Type
Hand
Hammer Type
Max Capacity