1. Modular Solvent Cleaning Tube (MST) kit is one of the most versatile in the Cleaning tube market because of its distinct modular design.  2. Modular Cleaning Tube kit features 60-degree cups for unparalleled performance, as well as an included thread mount, tube and end cap. 3. With a straight cone shape that tapers to a smaller diameter (compared to its pistol Modular Cleaning tube compadre), Modular Solvent Tube was designed with performance and customization in mind.  4. In its longest configuration, this solvent tube is only 19.88 oz(563.7g). 5.Threaded in the industry standard 1.375"x24, MST is compatible with many mounting options 6. 9 Modular baffles plus end cap for many configurations, 9 SS baffle liners that guide the payload Specification : Shortest Configuration Weight: 5.69 oz(161.2g)  Longest Configuration Weight: 19.88 oz(563.7g) Shortest Length: 2.88"  Longest Length: 12.5"  Diameter: 1.57''OD, 1.34''ID  Build Materials: 304 Stainless Steel and 7075 Aluminum. Finish: Raw material  Thread Mounts: 5/8x24 and 1/2x28, both threaded mounts  Tools: All outside flats take standard 11/2" SAE American Tools  Tube Thread: 1.375x24 TPI  Package Included: 2x Thread mount ( 1/2''x28 + 5/8x24 ) 1x Adapter for Booster with thread 1-3/16 x 24 to 1.1875 x 24 1x Sealed End Caps 9x Cone Cups(1x Stianless Steel Cup+8x Aluminum Cups) 9x Stainless Steel Liners 5-8 x 24 Compatible: .308 45 ACP .40 30-30 30-06 300 333 Lapua 6.5 Grendal 1-2 x 28 Compatible : .22 9mm 17HMR 5.7x28 5.56 .223 .243 .270