During WW2, US rifle barrel makers (not all) went to making barrels with 2 grooves to increase production. These can be found on 1903 Springfields and Savage made #4 Enfields.
Now old husbands of old wives have spun tales that 2 groove barrels are 1 - less accurate and 2 - have shorter life. These tales, over the years, have been accepted as fact in many camps. The link below should put some light on the 2 groove barrels after a 16,000 round test.
"the 2 groove barrel out performed the 4 groove edition by a notable margin."
So now I have a decision. I will shortly buy 2 #4 as new barrels, so what do I get - both 2 groove or both 4 groove ? Or.....one of each and do my own testing ?
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2 groove vs 4+ grooves
During WW2, US rifle barrel makers (not all) went to making barrels with 2 grooves to increase production. These can be found on 1903 Springfields and Savage made #4 Enfields.
Now old husbands of old wives have spun tales that 2 groove barrels are 1 - less accurate and 2 - have shorter life. These tales, over the years, have been accepted as fact in many camps. The link below should put some light on the 2 groove barrels after a 16,000 round test.
http://www.remingtonsociety.org/remingtons-wwii-experience-with-2-groove-rifling/
"the 2 groove barrel out performed the 4 groove edition by a notable margin."
So now I have a decision. I will shortly buy 2 #4 as new barrels, so what do I get - both 2 groove or both 4 groove ? Or.....one of each and do my own testing ?