Shoulderless Barrel thread adapter 1/2 x 28 ID to 5/8 x 24 OD. Change your 1/2 x 28 barrel to accept 5/8 x 24 threaded accesories.
Made from high quality stainless steel.
1/2 x 28 TPI ID Threads.
5/8 x 24 TPI OD Threads.
Threads are counter bored to accommodate barrels and accessories that are not undercut.
All threads checked 100% on calibrated thread gages before shipping.
It is made in the US on precision CNC equipment in my shop in the Midwest. We insist on the best quality on all of our products.