1/2 x 20 Double Male Adapter / Air Arms S510 / Hatsan Jet 1 & Jet 2 Adapter A21
1/2 x 20 Double Male Adapte... $40.00
Features: Any gun that needs a double sided male adapter One side has knurled cap Has through hole in the threads for easy tightening or loosening CNC Matte Black Anodize .79 inches / 20 mm OD Great for AirArms 
Airforce Condor .22-.25 1/2 x 20 Adapter A31
Airforce Condor .22-.25 1/2... $45.00
Made of steel 1/2 x 20 UNF threads compatible with .22 and .25 caliber Comes with black anodized Aluminum thread protector Tight fit and has two set screws (M4) to help secure it onto the barrel Uses 2mm hex keys for set screws
AEA Element v1 1/2 x 20 Adapter A85
AEA Element v1 1/2 x 20 Ada... $40.00
Note:* This is for the AEA Element that does not have a power wheel. If your gun has a power wheel, get this adapter instead A93 This adapter fits factory carbon fiber shroud allowing you to screw on an airgun suppressor with 1/2 x 20 threads. Features: 6061 Aluminum T6 Black Anodized Knurled thread protector  
Ataman M2R .357 M18x1 Adapter A27
Ataman M2R .357 M18x1 Adapt... $45.00
Features:  Made by CNC for accuracy Material is 6061 T6 Aluminum Matte black anodize Diamond pattern knurling for easy grip Compatible with .357 model
AEA Challenger .30 and .357 Bolt Action Adapter
AEA Challenger .30 and .357... $40.00
Please note if your gun is the side lever version, you'll need this adapter instead https://donnyfl.com/products/45-50-aea-challenger-345-aea-hp-ss-max?_pos=1&_sid=a77757bc5&_ss=r Features: Made by CNC for accuracy Material is 6061 T6 Aluminum Black anodize Comes with knurled thread protector For .30 caliber measure the OD of the threaded part of the front cap. It should be close to 28mm. May need to heat up the front cap with a heat gun or mini torch to loosen the thread locker.
Evanix Rainstorm / JTS Airguns 1/2 x 20 Adapter A29
Evanix Rainstorm / JTS Airg... $50.00
Features:  Made by CNC for accuracy Material is 6061 T6 Aluminum Matte black anodize Diamond pattern knurling for easy grip Compatible with .22 to .30 cal. JTS Airguns .22 to .25 cal.
Benjamin Marauder Pistol (PROD) Extended Adapter A78
Benjamin Marauder Pistol (P... $45.00
This adapter extends the shroud 1.5 inches or about 38.1mm. Pair it up with a .22-25 Tanto 1/2 x 20 Bolt #S69 and this pistol will be very quiet. No need to remove the suppressor to fill the gun. Features: 6061 Aluminum Black anodized Comes with knurled thread protector  
AEA Terminator M18x1 Big Bore Adapter
AEA Terminator M18x1 Big Bo... $40.00
You may need to heat up the front cap to loosen the epoxy. Then unscrew from gun.