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No5Mk1 chronograph results....

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Category: Reloading
Forum Name: Reloading .303 British
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URL: http://www.enfield-rifles.com/forum_posts.asp?TID=12811
Printed Date: February 21 2024 at 12:36pm
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Topic: No5Mk1 chronograph results....
Posted By: 303carbine
Subject: No5Mk1 chronograph results....
Date Posted: August 27 2023 at 9:28am
Has anyone chronographed the shorty No5Mk1 in comparison to the longer barrel  of a No4Mk1?
And what were the results? 



Replies:
Posted By: britrifles
Date Posted: August 27 2023 at 2:05pm
I took a look thru Skennertons book and thru Reynolds book.  I couldn’t find muzzle velocity results from the No. 5 which seems a bit odd, perhaps I missed it.  One would think this would be a factor in deciding the barrel length, although for a Carbine for jungle use, the Mk 7 cartridge would still retain more than adequate velocity for intended ranges.  

The No. 5 barrel is about 7 inches shorter than the No. 4, so I would guess a muzzle velocity in the vicinity of 2320 fps for the Mk 7 cartridge. Perhaps one of our members has chrono’ed Mk 7 ammunition thru their No. 5 rifle. 



Posted By: Shamu
Date Posted: August 27 2023 at 7:44pm
About 200FPS shy of the full length, Instrumental at 10' with my handholds. (174 Gr Hornady IMR 3031)
Not sure with MilSurp Cordite loads though.


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Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)


Posted By: gilgsn
Date Posted: November 17 2023 at 4:17pm
he!!o. Old thread but in case anyone wonders and finds this post:

No5 Mk1.

Gil.


Posted By: Shamu
Date Posted: November 18 2023 at 11:16am
Pretty much what I discovered with mine.Thumbs Up


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Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)



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