B&T MBT Stock Adapter for SIG SG55X | Compatible with SIG 550/551/552 Rifles | Quick Installation | Durable Aluminum Construction

The CSR Precision B&T MBT buttstock adapter will mate the ACR inspired B&T MBT buttstock to your SIG SG550, SG551, SG552, SG553, SG556 or SG522. The telescopic buttstock with cheekriser will give you a lot of additional adjustabilities, so you can configure the rifle to you very own needs.

The hinge has a built in locking mechanism, making sure the stock stays folded when it has to while maintaining all operational features. The original bolt and spring as provided with the MBT stock can be utilized to mount the stock to the adapter.

The adapter is CNC machined from aerospace grade aluminium and mil-spec type III class 2 anodized matte black. 

Made in the Netherlands

The B&T MBT buttstock can be found here. US customers please order your stock at BT-Parts.com