varmint rifle question

xcaribooer said:
This is strictly a curiosity thing.. I have noticed some varmint rifles like the vintage 700 BDL varmint had a "block" on top of the barrel. What the heck is the purpose of this??
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I always thought the block like 6" in front of the action was the rear sight (for open sights). BDL's came with open sights for a long time. I'll look at my dads because he has one from the 80's.
 
Some BDL's did come with open sights. Some older BDL's came with scope blocks for mounting target scopes like Unterl's and Lyman target scopes. The older BDL's also have 2 drilled and tapped holes on the left hand rear of the action for mounting match sights.
 
The block is there for the long, external adjustment, scopes and mounts as produced by Unertl, Lyman, B&L, and others. The blocks continued to be a feature long after such scopes had ceased being readily available. The advent of high powered, internally adjustable scopes which could be mounted on the receiver only marked the beginning of the end for those neat old scopes for the simple reasons that they weighed less and worked better.
 
Leeper said:
The block is there for the long, external adjustment, scopes and mounts as produced by Unertl, Lyman, B&L, and others. The blocks continued to be a feature long after such scopes had ceased being readily available. The advent of high powered, internally adjustable scopes which could be mounted on the receiver only marked the beginning of the end for those neat old scopes for the simple reasons that they weighed less and worked better.
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All true. Nowhere near as cool though. - dan
 
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