The radial cone is an effective "hybrid". Radials are suitable for any device with subsonic speeds such as .45, and 9mm.
Both 1/2x28 and 5/8x24 end caps are included, the cup top face is slightly larger than 0.46 inches to handle .45.
Cups: Stainless Steel
Outer Diameter: 1.45"
Inner Diameter: 1.25''
Overall Length: 7.00"
The most significant advantage is that it has a built-in spacer in the tube, which makes the space of the blast chamber bigger and makes full use of gas and fuel.
Package Included:1x Aluminum Tube
9x Stainless Steel Cups
3x Caps (1/2x28+5/8x24+solid cap)