AEA Challenger .30 and .357 adapters
- 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.