Product Description
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Threaded ½”x 28 for your 5.56mm carbine.
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Machined from 4140 steel.
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Phosphate coated per MIL-STD-171.
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Predrilled hole at the base for permanent installation.
- This is Gate Lock Compatible. These have only been tested with B&T Gate Lock Hubs.
When mounted per BATF specifications for a permanent installation it will bring your 14.5” M4 barrel to a non-NFA length of over 16.1”.
 
             
                     
                     
                     
               
               
           
           
                   
           
                   
           
                   
           
                   
          