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Daily proof?

smle2009

smle2009

Well-Known Member
Hi to all,
just wondered if the practice of daily proof and standard rounds are still carried out at Radway Green,I know they were still doing it with 7.62mm but have come across a L15A2 2010 dated 5.56mm ball round with a green annulus,these usually have the normal purple annulus.

Cheers
Tony



P8290005.jpg
 
I would say almost certainly daily proof. like you, I have relatively recent 7.62mm rounds with the green annulus for daily proof.

My best acquisition recently was a daily proof .280/30 ball round with a green annulus.

Regards
TonyE
 
Many thanks TonyE,
nice find with the .280/30 :tinysmile_grin_t:,yet to turn up a complete 7.62 daily proof or standard round but did find a nice 50 round 7.62 standard carton a while back.

All the best
Tony
 
Tony and Tony

What is "daily proof"? I haven't heard that term before. Is that something else I need to be aware of, and on the lookout for?

Thanks.

Ray
 
Hi Ray,
as I understand it,they are a small batch selected from the daily production run and tested against a 'standard' round to ensure manufacturing and machinery tolerances were somewhere near the specifications desired of a paticular round...bit of a brief description but TonyE will be able to fill you in with the 'juicy' bits....and no doubt I will get told off for the 'somewhere near' bit:tongue:.


All the best
Tony
 
Hi, First post
I have had for some time what I understood to be some form of proof round.
It has a standard 7.62 x 51 case with L2A2 headstamp made by RG and dated 03.
It has a 155gr bullet and has no annulus colour.
It has a small hole in the casewall that is sealed with clear tape, the powder can be seen intact.
What is it, or is it a figment of somebody's imagination.
 
During the production of Cal .30 Match ammunition, it was not unusual to pull samples off the line for QC and ballistic testing several times during a single day. I guess those are "daily proof" rounds, although I've never heard of them being called that in the U.S.

Tony - Isn't "somewhere near" an official government standard? :) ;)

donnydave - Could yours be a a round set up for pressure testing in a crusher type device. How big is the hole?

Ray
 
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smle (Tony) is spot on with his description of "Daily Proof". A batch is taken from each days production and tested against the relevant ballistic standard cartidges, and to identify them they have a green primer annulus. The rounds are heated to a specific temperature and then fired for velocity, pressure and accuracy.

Donnydave - I am not sure what you have, the fact that it has a 155 grn bullet suggests it is a target/sniper load but in that case it should not have an L2A2 headstamp. It should have a "COMP" headstamp or an L42 headstamp.As Ray suggests, a small hole in the case side suggests a pressure test cartridge. Does it have an index slot filed in the rim to ensure the hole lines up with the copper crusher port in the pressure gun? If not I suspect you may have a made up item.

Regards
TonyE
 
Ray
The hole is 2mm diameter.
Tony
It does not have an alignment groove, so I will assume it is not genuine.
See you in Walenstadt.


Dave
 
TonyE said:
smle (Tony) is spot on with his description of "Daily Proof". A batch is taken from each days production and tested against the relevant ballistic standard cartidges, and to identify them they have a green primer annulus. The rounds are heated to a specific temperature and then fired for velocity, pressure and accuracy.

Donnydave - I am not sure what you have, the fact that it has a 155 grn bullet suggests it is a target/sniper load but in that case it should not have an L2A2 headstamp. It should have a "COMP" headstamp or an L42 headstamp.As Ray suggests, a small hole in the case side suggests a pressure test cartridge. Does it have an index slot filed in the rim to ensure the hole lines up with the copper crusher port in the pressure gun? If not I suspect you may have a made up item.

Regards
TonyE
Click to expand...

Ah! now then, I do have one of those 50 round plastic dividers labled up ....50 RDS...7.62MM BALL L2A2 SNIPER.....however no mention of bullet weight and no date is visable.

Tony
 
I think that the "Sniper" L2A2 is simply the pick of normal production which has been found to be most accurate (we are back to Daily Proof again). This was also known as "Green Spot" and used by civilian target shoters for years before RG started making 155 grain competition ammo.

I will post labels when I have scanned them.

Regards
TonyE
 
7.62mm labels

Here are a selection of RG labels showing how they have used various definitions over the years, Target, Match etc. When RG first started loading 155grn match ammo they used Sierra Match Kings before making their own 155 grn bullets.

Also shown is a Daily Proof label. The "D/W" stands for "Date of Work".

Regards
TonyE
 

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For what it worth, actually in France the 5.56 from RG we use are all with green annulus. From this year there is only "5.56" in the headstamp in place of L15A2.

5,56 RG 10.jpg
 
Hi Domi,
I think the annulus colour codes only apply to British service ammunition,interesting headstamps, British 5.56mm Radway Green ammunition was 'marked up' like this in the early/mid 80's


Cheers
Tony
 
Agreed. This must be a special export or contract headstamp. About ten years ago when I was shooting with the French marines they were using regular British RG ball and tracer in their FAMAS.

Regards
TonyE
 
Yes, French Army use RG made ammo since about 10 years, L15A1 and L1A2 tracer from 2001 to L15A2 and L16A1 from 2009, then 5.56 from 2010. But only for training in short distance, the FAMAS F1 was made for M193 ammo type. Only the FAMAS G2 used in the Navy can use the standard NATO rounds. Actually I don't know if the RG 10 5.56 are M193 or SS109 type.

Domi
 
How long has the green primer been used for the 'daily proof"? Do you know of anyone else in the UK, or perhaps the Commonwealth, who has used this identification in the past?

Cheers,
Lew
 
Certainly since the 1950s Lew. The earliest I have is the 1951 280/30 and a 1956 .303 ball, both by Radway Green. I think this was a uniquely RG habit as I don't recall seeing it on a Kynoch round or any other British ROF producer.

Regards
TonyE
 
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