Carmatech Engineering SAR12C AR15 Handguard Adapter Marker Upgrades The Invert Halo TOO accepts

The Invert Halo TOO accepts most Halo and Reloader B upgrades such as speedfeeds and shells

AAC and AC3 2-channel

This listing is for a new Empire/GI Sportz BT-4 factory replacement complete valve

Top Hidden Pocket

Custom Products barrels go through a 9 step process on the some of the

Carmatech Engineering SAR12C AR15 Handguard Adapter Marker Upgrades The Invert Halo TOO acceptsThe Carmatech Eng. AR15 HANGUARD ADAPTER allows for the mounting of most AR15 free floating hand guards. Kit includes hard coat anodized aluminum adapter and mounting screw. Drilling and tapping of the SAR upper receiver is required to use this adapter.