SilencerCo TOMD Compact Radial Muzzle Brake 30 Caliber Fits 1/2X28 Compatible with Thread Over Mounts. This radial brake is easy to install and can quickly pair with the Thread Over Mount to attach your suppressor. This smaller form Radial Brake is lightweight and offers superb recoil reduction in a tighter compact package. Compatible with the (TOM) Thread Over Mounts a quick attach / detach system for your suppressors that pairs with the TOMD Compact Radial Brake. This system combines the utility of the ASR Mounts with the ease of use of the Direct Thread Mounts. Specifications for SilencerCo TOMD Compact Radial Muzzle Brake: Manufacturer: SilencerCo Color: Black Finish: Anodized Fabric/Material: Steel Gun Make: AR Platform Gun Model: AR-15 Length: 2.5 in Condition: New Features of SilencerCo TOMD Compact Radial Muzzle Brake: 1/2x28 TPI Package Contents: SilencerCo TOMD Compact Radial Muzzle Brake What firearm models does the manufacturer say SilencerCo TOMD Compact Radial Muzzle Brake is compatible with? The manufacturer says that SilencerCo TOMD Compact Radial Muzzle Brake is compatible with AR-15SilencerCo AC5232: TOMD Compact Radial Muzzle Brake 30 Caliber Fits 1/2X28 Compatible with Thread Over Mounts