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22 creedmoor
So I’ve got a PTG reamer .257 neck. .089 FB. Alpha LRP brass. 41gr H4350, WLR primer and a 75ELDM seated 2.100 ogive / 2.650 OAL. Bout .017 off the lands. .252 bushing. 3506fps SD of 6 for 10 shots. Bighorn origin action bedded with JB in a grayboe terrain stock . Krieger 4 groove 7.7...- dirtbiker250
- Post #221
- Forum: Reloading Depot
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ORIGIN Orders
the ole' grayboe terrain/ origin combo!! i like it! have a couple myself!- dirtbiker250
- Post #1,317
- Forum: Bolt Action Rifles
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22 creedmoor
25" Krieger Barrel 7.7 twist, alpha brass LRP 41gr h4350 shot 75eldm 3400 and 41.9 shot 3510fps when barrel was new. after 100 rounds 41.9 was 3562 but load is warm and i blew a primer on once fired brass. so i'm going back down to 41 to test it again, should be 3450ish. accuracy been .5"...- dirtbiker250
- Post #219
- Forum: Reloading Depot
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ORIGIN Orders
Won’t affect the bolt lift Run the action a bunch and bolt lift will get a lot better. Mine was kinda heavy when new. But after not long it’s jist a hair heavier than my sr3- dirtbiker250
- Post #1,255
- Forum: Bolt Action Rifles
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ORIGIN Orders
So on my origin I had .220 total FP fall from bolt closed. And it was cocking about .046”. I used a dremel very carefully and matched the angle on the cocking piece until it felt super smooth closing the bolt. Now I have .188” FP fall. So I took off .032 effectively I measured my...- dirtbiker250
- Post #1,252
- Forum: Bolt Action Rifles
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22 creedmoor
my 22 has been a bit frustrating. Was a PAIN to find a load for it. Finally found one that’s decent It’s been about .5” at 100 most the time. Sometimes a tad bigger. Don’t know why this one is so finicky but oh well. It’s a 21” bartlein #3 7.7 twist 42 grains of 4451 in alpha LRP...- dirtbiker250
- Post #179
- Forum: Reloading Depot
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22 creedmoor
.253 bushing works great for alpha 22 brass gets me .0015 tension- dirtbiker250
- Post #155
- Forum: Reloading Depot
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ORIGIN Orders
Mines been shooting good. Really good. Center and bottom right are 39 grainers. They need some work but the other three groups are 32 grainers- dirtbiker250
- Post #370
- Forum: Bolt Action Rifles
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ORIGIN Orders
On both our origins and my sr3 I’ve had to lengthen the ejection port of the stock at the rear and also file a grove directly under the round part of the bolt handle so the handle will drop all the way down and bottom out on the action. I used a 1/2” endmill bit on my cordless drill and just...- dirtbiker250
- Post #365
- Forum: Bolt Action Rifles
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ORIGIN Orders
I received the origin from Ryan Hunt Yesterday. Great service and good communication- dirtbiker250
- Post #359
- Forum: Bolt Action Rifles
