Originally posted by PaulS:
This should help:
No. 4S Boy Scout Rifle Specs
Another version of the Model 4 released in 1913, the No. 4S Boy Scout rifle aspired to become a military-like weapon, produced specifically for the Boy Scouts. For an additional $8, this rifle included a leather sling strap, a leather scabbard and a bayonet. The barrel was longer in this version, stretching out to 28 inches, and could only fire .22-caliber short rimfire ammunition. Only produced from 1913 to 1914, it was chosen as the official rifle for the American Boy Scouts, an organization that split from the Boy Scouts of America in 1913.
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http://www.ehow.com/list_76333...s.html#ixzz2g8bSoXoD