Have a barrel that needs to fit your A5 upper?  We have built a custom fixture to locate and orient the barrel and its barrel extension, allowing STS to machine the proper cut out for an HK A5 upper receiver.

– Turn around is typically 2-3 weeks

– Ship your stripped barrel via UPS to:

Specialized Tactical Systems

673 W. 1st Street

Building 4A Bay 5

Ogden, UT  84404

– Please include your order number in and on the packaging