Solvent Trap is a safe gun cleaning accessory. When a firearm is used for too long without proper cleaning, it can lead to loss of accuracy and even affect the life of the firearm. Regular cleaning of firearms helps improve safety, reliability, and performance in use. The solvent trap captures the fluid used to clean the rifle and/or pistol, making the cleaning process more efficient. Stlurker.com is the most complete store. We have the Titanium Solvent Trap, Modular Solvent Trap, Monocore Solvent Trap, Fuel Filter etc. The solvent trap comes with a variety of sizes of female threaded ends as an accessory that can be attached directly to the end of the barrel. For example, the 1/2x28 solvent trap can be used directly on 9mm, .22LR, 5.56 calibers etc. the 5/8x28 solvent trap can be used to clean larger .308,45 ACP, .40,30-30,30-06,300,333 Lapua,6.5 Grendal Cal firearms etc. There are other THREADS such as. 578x28, 9/16x24, 13.5x1LH, and other threads as well. For more details on each barrel, please refer to the THREAD PITCH ADAPTER GUIDE at stlurker.com.