standard
Standard blocks are available in heights of 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 5/8", 3/4", and 1". The base has a slight concavity which allows them to mount on either a round or an octagonal barrel. Heights are measured from a flat surface. They will sit .005" to .02" lower on a round barrel. They have the Lyman/Unertl crescent on one side and the Winchester dimple on the other.
Price: $12.00 each; 5/8" and taller $15.00 each
flat-bottom
Flat-bottom blocks are specifically for mounting on an octagonal barrel. They may "rock" on old draw-filed barrels; in that case, use the standard blocks (above). Heights available are: 3/16", 1/4", 5/16", and 3/8".
Price: $12.00 each
Posa
Posa blocks are for use with Unertl Posa-mount rings. They are available either Posa/Lyman combination or Posa only. They can also be used with the Redfield 3200 scopes. Heights available are: 3/16", 1/4", 5/16", and 3/8".
Price: $12.00 each
Color-cased
Color-cased blocks are available in several configurations, including standard, Posa/Lyman and flat-bottom. Heights available are: 3/16", 1/4", 5/16", and 3/8". Flat-bottom are 3/16" height only.
Price: $16.00 each
Stainless Steel
Stainless steel blocks are available either in standard or Posa/Lyman configurations. Heights available are: 3/16", 1/4", and 5/16".
Price: $20.00 each; stainless screws are $2.00 each
Fecker
Blocks for Fecker mounts are slightly narrower than standard. (Lyman and Unertl scopes will fit Fecker blocks, but Fecker scopes may not fit standard blocks). Heights available are: 3/16", 1/4", and 5/16".
Price: $12.00 each
1903 Springfield
These blocks duplicate the blocks provided on 1903 Springfield rifles. Also available in Posa configuration. Color-cased finish.
Price: $36.00 per set
Unertl o & e
These blocks duplicate the popular Unertl O (rear, .230" high) and E (front, .470" high) blocks. Available either black or color-cased.
Price, black: $12.00 each; color-cased: $16.00 each
Stevens
These blocks are specifically for Stevens scopes. They have the original-style V-shaped locking groove, and are available with either Stevens holes (for 5-40 screws, .700" and .825" spacing) or with standard holes. They are also available flat-bottomed. Heights are 3/16" and 1/4".
Price: $12.00 each
-70 series
These are the front blocks used on the Winchester Model 70 rifles, with the 1.750" hole spacing. Heights are as follows... A-70 - .170"; B-70 - .230"; C-70 - .315"; LC-70 - .370".
Also available in Posa configuration.
Price: $16.00 each
blanks
We have many blank, undrilled blocks on hand, already black finished. Drill them yourself, or let us know what hole spacing you need and we will do it for you. Heights available are 3/16", 1/4", 5/16", and 3/8".
Price: $12.00 each
screws
Screws are available for all block heights. Standard thread is 6-48. Stevens screws are 5-40.
Price: $1.50 each; Stainless $2.00 each
