Span the bolt opening of a rifle, usually attaching to the bridge and receiver of the rifle with two screws each in front and back. These mounts are designed specifically to fit only one action length, be it short, medium or magnum calibres.
|LYNX 1-PIECE STUD BASES|
|BA209||1814||Lee Enfield SMLE I II III|
|BA210||1954||Lee Enfield SMLE IV & V|
|BA246||1923||Mannlicher Schoenauer Stud|
|BA284||1924||Musgrave RSA 20MOA front holes undrilled|
|BA285||1925||Savage Accutrigger SA 20MOA|