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Leed709 June 06, 2019 18:16

Century R1A1
Received R1A1 that I won on auction.. Rifle is nice shape on embel receiver. Rifle came with a metal hand guard with folding bypod attached. Front plastic hand guard were included. Upper had a DSA rail installed. Disassembly rifle for cleaning I found the bolt carrier had no sn#. Bolt had sn# etched on botton. Bolt has sand cuts and is stamped with crossed flags with the letters L&P also stamped on sidt of bolt is AD. Barrel very nice inside and out. The barrel is stamped with crossed flags and letters L&P. Is this a British rifle? Thanks leed

imacoonass01 June 06, 2019 18:24

Aussie is AD. Brit is UB or UE prefix.

pl521 June 06, 2019 19:10

Nice snag. Please post photos.

Leed709 June 06, 2019 20:41

I think I did ok. $700.00 with a embel receiver and the extra items. I've removed the metal hand guards and bypod and installed the black plastic hand guards on the rifle. Is this a metric or inch pattern rifle? One last question. Did the aussie rifle have bypods on them? Sorry i'm not able to send pic, but when my daughter comes over here i will try to get her to send pic.

MAINER June 07, 2019 08:50

I would guess you have an FN pattern Receiver built with L1A1 rifle parts, or some combination thereof modified to accept L1A1 parts, Selector-Mag Release-Charging Handle etc. Some were cut for L1A1 mags, others left as is for FN mags.

Century R1A1s were built with Imbel or Century receivers and mostly Aussie parts, but anything laying around the warehouse that could be assembled into a rifle and sold is possible.

These rifles were assembled haphazardly and I would strongly suggest having the headspace checked.
My "Mutt" was off quite a bit, some .007"+.

Leed709 June 07, 2019 19:51

Rifle has a embel receiver,AD marked Bolt is aussie,AD marked Lower receiver is aussie,AD marked barrel is aussie. Don't know about the stock and pistol grip. Pistol grip has a wooden insert in front. I think this rifle was assembled from a matching kit. Receiver in marked imported by century

MAINER June 08, 2019 20:51

Sounds like my "Mutt", all Aussie parts on an Imbel Receiver. My Imbel was modified for L1A1 Charging Handle, Bolt Hold Open and Selector, but left with FN (metric) mag cut.

Your Pistol Grip is L1A1 and that would mean your Lower Receiver and Buttstock is also.

I changed the cheap plastic stocks with Aussie wood, removed the "Combo" Flash hider and installed an original L1A1 five prong type. Luckily, the muzzle threads were left intact.

My barrel was overtimed and had to be removed and torqued to zero. Already mentioned the really bad head spacing.

Another trouble was Century's two-piece Gas Piston that needs to be replaced, it was undersized and causing low gas problems anyway.

It was a great rifle for the "FAL Troubleshooting Course 101". :tongue:

Leed709 June 08, 2019 21:25

Thanks for the reply. I have been cleaning up this rifle and a couple of things I don't understand. The first is the way the gas piston plug has no markings. Nothing on one side and a groove on the other side. How do you tell which is right firing the rifle. The second thing is how do you tell if the rifle uses metric or inch pattern magazines. I have been reading a lots of the older postings and I found a posting by enbloc8 dated 15 mar. 14 that listed blocks of sn# that were sent from Australia to New Zeland. The sn# Ad621071 on my lower receiver is faint but it is still readable. I think this rifle was sent from Australia to New Zeland. I could be wrong.

OLDMANPBK June 08, 2019 22:03

You can see the corresponding square and half moon cuts in the receivers for inch or metric mags.

ARS has a good tutorial that you may find helpful.

The groove in the gas plug should be up for shooting.

Leed709 June 08, 2019 22:45

Thanks for the reply. My rifle is set up to use inch cut magazine according to the pic.that you posted.

MAINER June 10, 2019 08:00

You can use FN (metric) mags with your L1A1 cut Receiver, not ideal, but they will work in most rifles. L1A1 mags have become scarce and pricey. Grab 'em when you find them.

There should be another digit in your ser #.
AD6203946-AD6211165 went to Australia. Unusual, as most of the Aussie parts kit in the US today came from Malaysia.

Leed709 June 10, 2019 20:54

I have check the sn# again on lower receiver and there is another number but all of the numbers are faint and the black paint makes them hard to read. The last number could be a 8 or 9.

Leed709 June 10, 2019 21:08

Have another question. When did century stop importing the embel no logo receivers and start importing the embel logo receiver This rifle has a no logo receiver.

base704 June 10, 2019 22:43


Originally Posted by Leed709 (Post 4747261)
Have another question. When did century stop importing the embel no logo receivers and start importing the embel logo receiver This rifle has a no logo receiver.


Leed709 June 12, 2019 01:12

Question.What is the difference in the metric wood stock and the inch pattern wood stock?

munchoman June 12, 2019 06:16


Originally Posted by Leed709 (Post 4747646)
Question.What is the difference in the metric wood stock and the inch pattern wood stock?

There's a big difference in the way they butt up to the back of lower receivers

MAINER June 12, 2019 08:33

1 Attachment(s)
L1A1 Lower Receivers require L1A1 Pistol Grips and Buttstocks, FN or metric pattern don't fit. The attachment method of the PG is different and the scallop shaped extension on the L1A1 Receiver is absent on the FN.

This is an FN (metric) for comparison. PG difference not shown.

Leed709 June 17, 2019 19:21

Thanks for the info.I'm thinking of changing the plastic stock for a wooden stock and forearm if I can find one that doesn't cost and arm and leg. Any suggestions where to look? Oh before I forget I cleaned off the paint from the sn# on lower receiver and it only has 6 numbers. The sn# is 621071. I'm trying tofigure out what year this rifle was made.

MAINER June 23, 2019 08:51

Are the letters AD before the ser. no.? I'm talking about the Lower Receiver, not the Imbel.

AD6200000 per example would indicate a manufacturer date of 1962.

All Lithgow Aussie L1A1s were numbered with AD and seven number serial numbers starting with AD5900001 and ending with AD8600011.

L2A1 heavy barrel guns did have six digit ser. nos. If your Lower is one of these, it was produced for New Zealand and would be in the AD621038~AD621182 batch of 1962.

In any case, if the serial no. doesn't have AD, it's not Aussie.

Leed709 June 24, 2019 22:12

Yes, sn# has AD. The sn# is AD621071. Thanks for info Leed

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