"A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power." SOURCE: WIKIPEDIA.ORG
Muzzle Couplings Online
Who is Muzzle Couplings Online?
Located in the White Mountains region of New Hampshire, USA. Muzzle Couplings Online sells firearm parts and accessories that are not normally available from your typical gun store. We also operate a small machine shop. We make your guns more fun.