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I've been loading 9mm 115gr RN Extremes with 4.8gr of W231 with 1.15 OAL and they work fine in my G19 and G26.

I just bought a new G34 stricktly for range use and since I have 8-10K of 115gr Extremes on hand I'll be using them in my G34.

Is there an issue using the same powder drop (4.8gr) since the G34 has a longer barrel?

I'll be mainly using the G34 at the range, but will still be shooting my reloads thru the G26 and G19 and wanted to use the same round for all 3 guns. I'm not into competition shooting, just range plinking, and just trying to keep things simple.
 

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While I don't have a G26, everything I've run in my G19 works in my G34. That includes a very soft shooting load of WST.
 

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Should be fine, you'll just get higher vel. Going the other way is the issue. Loads that work fine in a G34 may baulk in a g26.
 

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Just fyi for he op: I recenty chrono'ed 4.8 gr 231 w/ 115 RN Xtr bullets but with a 1.135 OAL out of a G19 at 1154 ave. Your 1.15 Oal shlould be a little faster.
Jim
A little but not much. 0.020" doesn't move the needle much unless using uber fast powders.
 

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Discussion Starter · #8 ·
Just fyi for he op: I recenty chrono'ed 4.8 gr 231 w/ 115 RN Xtr bullets but with a 1.135 OAL out of a G19 at 1154 ave. Your 1.15 Oal shlould be a little faster.
Jim
A little but not much. 0.020" doesn't move the needle much unless using uber fast powders.
sounds like I should be OK then....thx
 

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sounds like I should be OK then....thx
OAL is important, but more so at the top end. Most caliber/powder/bullet combos don't get interesting until OAL gets about 0.050" shorter. Up to that, at midrange & lower handgun loads, very little vel increase shows up, even in small 9mm or notorious 40. At max, yes, everything affects pressures; OAL, case brand, primer brand, ambient air temp, elev above sea level, everything.
 
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