Lage .22 LR Barrel Threading With Dedicated 1/2x28 thread adapter and thread protector. If you send us your 9mm M11 barrel, and the .22lr kit, we will cut back the barrel and thread your Lage .22LR barrel liner to fit the adapter. Adapter offers a small wrench flat and a 1/2x28 thread protector. We also offer pick up from Lage and drop off as well. Please call or email with questions or more specifics.