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Roll the Dice: June Challenge Notes  

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Diceman624
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18/06/2019 12:30 pm  

So, after seeing some of the results, and doing a few days of consecutive dry fire, my approach to the June challenge has a few notes to consider:

-I'm dreaming to think I could do this with irons; I've decided to switch back to the TA-50 as my sighting method, however, magnification amplifies my perception of wobble.  It's this, or lacking a defined target for aiming.

-Prone and open-leg sitting positions feel pretty stable; I used to zero all my rifles from supported prone at the outdoor range I had a membership at.  While I won't say I've mastered prone, I'm confident with it.  Open-leg provides far better stability for me than crossed ankle sitting.

-Kneeling benefitted from kicking my strong side knee out a little bit

-As with my foray into Service Rifle matches, standing is always a challenge; this is the position I've done most of my practice dry-fire in

Areas for concern:

-Trigger control

-The 1/7 twist-55gr FMJBT match-up: thus far, two of the three 1/7 barrels I have produced their best groups with 69gr OTM; an ammo I don't have in abundant supply.  I expect this bullet/barrel combination will not maximize inherent accuracy

-Standing position with a magazine-fed rifle: my previous experience with standing positions involved an M1 Garand, which allowed my hands to hold positions comfortably closer than an AR-15.   Finding a "happy medium" for the support hand has been a challenge.

Internet reputations may be one thing, but cold hard data is another.


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Diceman624
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19/06/2019 7:21 am  

Notes from today:

-a fully extended stock makes a difference in standing

-supporting from under the magazine seems superior to using the handguard when standing

Internet reputations may be one thing, but cold hard data is another.


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Matt
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19/06/2019 10:40 am  
Posted by: Diceman624

Notes from today:

-a fully extended stock makes a difference in standing

-supporting from under the magazine seems superior to using the handguard when standing

I agree with the stock, but I’ve always had issues with trying to balance on the magazine. We’re you using 30 rounders or something shorter?

"Man is still the first weapon of war" - Field Marshal Montgomery


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Diceman624
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19/06/2019 10:49 am  

It was a 20rd PMAG; I think a 30rd might throw off my height a little when it comes to NPOA.  I should give a 30rd mag a try, though, since that's what I'll likely end up using.

This post was modified 4 months ago by Diceman624

Internet reputations may be one thing, but cold hard data is another.


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Diceman624
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19/06/2019 9:50 pm  

My work around for the 30rd PMAG is to wrap the top side of my forearm around the magazine, while grasping the handguard.  Its complicated to describe, but is far more stable than holding the base.

Internet reputations may be one thing, but cold hard data is another.


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Diceman624
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29/06/2019 3:48 pm  

Regrettably, this challenge will go unfilled this month.  I set out to accomplish today, but range conditions couldn't accomodate.

However, some good learning occurred:

-For my TA-50, I discovered the best aimpoint/hold is a 6 o'clock hold off the 300m line, which about coincides with an inch at 25 yards

-I would need to aim approx. 1 inch high for my PRO zeroed at 50 yards to get hits at 25 yards

-Irons aren't as impossible as I thought; using a detachable carry handle with an RIBZ set for 25 yards is challenging, but possible when my dryfire led me to believe it wasn't.

I still plan to complete, but not in the June timeframe.

Internet reputations may be one thing, but cold hard data is another.


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Sunshine Shooter
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29/06/2019 4:18 pm  

Sucks that your range conditions didn't allow you to complete the challenge, but if you are a better shooter for trying isn't that just as desirable an outcome?

"Good judgement comes from experience, and experience comes from bad judgement"

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Diceman624
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29/06/2019 4:59 pm  

I'm not disappointed with the outcome of today's session.  Rather, I've learned things that should help me for when I complete it in due time.

Internet reputations may be one thing, but cold hard data is another.


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Matt
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29/06/2019 8:45 pm  

I fully expect this is one of those challenges people will come back to over time. It makes a great starting-off point, though.

"Man is still the first weapon of war" - Field Marshal Montgomery


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