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Does anyone know if H&R uses a .375 bore diameter in thier 38/55 rifles? Should be a snap to rechamber one of these to 375 JDJ. Cut that barrel to 24" part out the stock & off to the races!
 

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.378" minimum, they don't make it anymore tho, most of those made before 2007 had .380" or bigger bores, 2007 were tighter, most likely .379" as mine is, but I know of one that is .378".

Tim
 

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I sort of liked the 38-55 but I have no use for casting bullets to get best accuracy. Alas they are not made anymore. I found a broken down Ruger#3 in 375 Win and rehabilitated it and it is a real shooter with 225gr Hornady bullets. But kick like a mule.
Too bad H&R did not make that target model in 375 Win.
 

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I agree with Lonewolf. I have a W&H TC that's pretty darn accurate. I just tested a variety of loads and powders the other day and most TEST LOADS were under 2" at 75 yards with iron sights. The selected loads were all at 1" with 5 shot strings. That's 75 yds with iron sights (no optics).

I wish I could find another one of these like mine so I could put a scope on it. I'm certain that some of my larger group sizes have to do with my aging eyesight.

BTW, my bore slugged out at .3795 but I shoot .379 bullets. I believe they're obterating (sp??? how do you spell that word??) enough to fill the gap because they seem to work well.
 

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I just got a 38-55 ejector target barrel off the trader. I was kind of disappointed when it slugged .382. I fit it rock solid to a frame and benched it at 100 yards with a 16x scope. I used factory winchester ammo. One box of current production and one yellow and white box from the 1950's. I am very happy to report 3 seperate 3 shot groups under 1" at 100 yards.

I am going to break a few rounds down to measure the bullet but my guessis .377. We will see.

Nick
 
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