| Female Thread | Male Thread | Adapter Name | Price |
| 1/2-28 | 9/16-24 | 1/2-28 to 9/16-24 Adapter | BUY NOW! |
| 1/2-36 | 1/2-28 | 1/2-36 to 1/2-28 Adapter | BUY NOW! |
| 1/2-28 | HK 3 Lug | 1/2-28 to HK 3 Lug Adapter | BUY NOW! |
| 1/2-36 | HK 3 Lug | 1/2-36 to HK 3 Lug Adapter | BUY NOW! |
| 5/8-24 | HK 3 Lug | 5/8-24 to HK 3 Lug Adapter | BUY NOW! |
| 1/2-28 | 5/8-24 | 308 Adapter | BUY NOW! |
| 1/2-28 | .578-28 | 45 ACP Adapter | BUY NOW! |
| M16x1LH | HK 3 Lug | M16x1LH to HK 3 Lug Adapter | BUY NOW! |
| 9/16-24 | 1/2-28 | 556/22LR Adapter for 9/16-24 | BUY NOW! |
| 9/16-24 | 5/8-24 | 308 Adapter in 9/16-24 | BUY NOW! |
| 5/8-24 | 1/2-28 | 300 Blackout Adapter | BUY NOW! |
| 5/8-24 | 9/16-24 | 5/8-24 to 9/16-24 Adapter | BUY NOW! |
| 5/8-24 | .578-28 | 300 Blackout Adapter 45 ACP .578-28 | BUY NOW! |
| 5/8-24 | M16x1 Left Hand | 300 Blackout Adapter 45 ACP M16x1LH | BUY NOW! |
| 1/2-20 | 1/2-28 | CZ 452 Adapter | BUY NOW! |
| M9x.75 | 1/2-28 | GSG 1911 Adapter | BUY NOW! |
| M9x.75 | 1/2-28 | SIG 1911 Adapter | BUY NOW! |
| M8x.75 | 1/2-28 | Colt M4 Tactical Rimfire HK 416 Rimfire 22LR Adapter | BUY NOW! |
| M8x.75 | 1/2-28 | P22 Adapter | BUY NOW! |
| M9x.75 | 1/2-28 | Sig Mosquito Adapter | BUY NOW! |
Thread Protectors at The Silencer Store
Manufactured by XCaliber Firearms LLC
American Made by American Workers