4.85x49 Moth killer cartridge.....hoard found.....

#1
Some of you older folks will remember the late 1970's, when the British gubmint experimented with a military cartridge even smaller than the present mouse-killer - the 4.85x49.

Read all about it here - 4.85x49mm - Wikipedia, the free encyclopedia

An RFD friend of mine has found a box of twenty of these rare little items, as much part of British
military history in their own way as the other lost cause round, the .280 Enfield.

Anybody interested in acquiring one for their collection - inert, of course - please PM me for details.

tac​
 
#4
Alors, I am being kind, you understand. Please read your PM.

tac

Merde!!! For some reason, I am unable to send anything to your PM box, please call me as soon as you can.

Now is good.

MY PM box works.

tac
 

Wordsmith

LE
Book Reviewer
#5
Some of you older folks will remember the late 1970's, when the British gubmint experimented with a military cartridge even smaller than the present mouse-killer - the 4.85x49. Read all about it here - 4.85x49mm - Wikipedia, the free encyclopedia An RFD friend of mine has found a box of twenty of these rare little items, as much part of British military history in their own way as the other lost cause round, the .280 Enfield. Anybody interested in acquiring one for their collection - inert, of course - please PM me for details. tac​
Just read the Wiki. How the hell does a bullet that small have armour piercing capability? Wordsmith
 
#6
Body armour at CBQ ranges?

Ah, 3197 fps and 2785 ft lbs will do it.

Easily.

Maybe not at 600m though.........hmmmm.

That's why I like the .50BMG.

tac
 
#8
If XL1 was ball and XL2 was tracer, what was XL5? Incendiary?
 
#9

Wordsmith

LE
Book Reviewer
#10
Body armour at CBQ ranges? Ah, 3197 fps and 2785 ft lbs will do it. Easily. tac
Ah - sort of armour-piercing lite... Back in my tungsten producing days I was aware of the technicalities of an anti-tank penetrator rod and indeed discarding sabot sniper rifle ammunition. I just didn't see how anything as tiny as a 4.85 mm round would carry enough kinetic energy to go through anything serious. Cheers, Wordsmith
 

Travelgall

LE
Kit Reviewer
#11
And yet the MP7 uses a 4.6 to penetrate CBA. Even smaller so they must have been onto something. That said the opinion on the MP7 is very mixed.
 
#12
Aah, 4.85mm. A calibre from the days in which "terminal ballistics" was reduced to just residual kinetic energy and the NATO helmet penetration test.

Btw, these tiny calibres penetrate Kevlar because they are small and pointy, so part the fibres rather than get caught by them.
 
#14
IIRC longbowmen where equipped with 'bodkin' arrows which despite being small calibre where capable of piercing the armour of the day
 
#15
IIRC longbowmen where equipped with 'bodkin' arrows which despite being small calibre where capable of piercing the armour of the day
But to be fair, a magazine of 30, yard long, rounds, however thin, would be hard to reload with even in lab conditions.
 
#17
At long last may I present the mighty Mothkiller, alongside a few other carts for comparison from the left:
Mothkiller, 223Rem, 222Rem, guess what, RG 7.62, 30-06 and 50BMG. In the second picture, 4.85 and 30mm cannon. Slight difference. The ancestry of the 4.85 is fairly clear from the 223 and 222 carts.
And before I forget, thanks to Plunderer for the tip, once again the power of Arrse has been proved.
 

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