There's no longer a need to search for front and rear bases for your most popular firearms. Weaver Base Pairs feature tough, lightweight aluminum construction to hold up to the most powerful recoil. The Weaver cross lock design means a tight, secure fit on your firearm. These bases accept all Weaver top mount cross lock rings. Fits-Browning Bar, Bar II, Mark II, BLR Lightning (Lever) BPR.
Specifications:

Type	2-Piece Base
Model	Top Mount Base Pairs
Style	Top Mount
Misc	Accepts All Weaver Top Mount Cross Lock Rings
Finish	Black Matte
Material	Aluminum
Pieces	2
Gun Type	Rifle
Mount Type
Length
Rings Included	No
Ring Height
Mount Height