Magpul  
MS1 MS4 Adapter
Description
Combine with the MS1™ Sling and QD Sling Swivel to provide two to one-point convertibility.Melonite™ and manganese phosphate finished steel with custom snag-free high durability 1-1/4" webbing.
Made in U.S.A.
Features
- Combine with the MS1™ Sling (MAG513) and QD Sling Swivel (MAG540) to provide fast transition between one-point and two-point configuration
 - Heavy-duty push-button QD Sling Swivel for one-point attachment
 - Light weight yet durable hardware made with hardened Melonite™ and manganese phosphate finished steel
 - QD Sling Swivels and ambidextrous QD shackle allows easy convertability and provides weapon quick-release capabilities in an emergency
 - Custom 1.25 inch wide nylon webbing material is strong and wear resistant while remaining anti-chafe for user comfort
 - Colored webbing is Near Infrared (NIR) resistant
 - Sling Assembly Mounting
 - - REAR - Works with receivers, end plates, and buttstocks that have a push-button QD socket for one-point attachment.
 - - FRONT - Using optional QD Sling Swivel, compatible with the Magpul RSA® QD and Forward Sling Mounts, as well as most other push-button QD sockets for use in two-point mode.
 
Packaging Dimensions & Weight
- Length:
 - 12 cm
 - Length packed:
 - 24 cm
 - Width:
 - 5 cm
 - Width packed:
 - 13 cm
 - Height:
 - 1.5 cm
 - Height packed:
 - 2 cm
 - Weight:
 - 0.072 kg
 - Weight packed:
 - 0.097 kg