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FN 1A1 vs. FN L1A1 vs. FN C1A1
FN 1A1 vs. FN L1A1 vs. FN C1A1

Caliber: ........................ 7.62x51mm NATO
Rifling & Twist: ............. 6 groove, Right hand twist, 1/12 rate
Barrel Length: .............. 21 in. (533 mm)
Overall Length: ............. 43 in. (1092 mm)
Weight: ....................... 9.5 lbs. (4.31 kg)
Magazine Capacity: ........ 5/20

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Album by Claven2. Photos by NavyShooter. 1 - 24 of 57 Total. 10516 Visits.
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Enlarge photo 1
Canadian C1A1 (Ex-OPP)  with bayonet.

British L1A1 (Century Parts gun)

Indian 1A1

Enlarge photo 2
Starting with the 1A1.

Purchased for "Parts" a number of years ago due to long (but not quite NOGO headspace and overall condition.)

I cleaned up and sanded down the wood about 10 years ago, giving it several layers of varnish.  Yes, I know, I "ruined" it, but if you saw the wood before I started, it was a good investment of my time.

The metal is well worn, the bluing on the barrel is essentially non-existant.

Enlarge photo 3
Left side view, same rifle.

Enlarge photo 4
Here you can see the typical receiver markings.

Enlarge photo 5
There is a stamping here inside that does not correspond to any other numbers on the rifle.

Also, you can see where I installed an extended pin in the magazine catch, resulting in a last round hold-open for this rifle.

I used to shoot this rifle in service rifle competition, so the last round hold open was somewhat handy for me.

Enlarge photo 6
Field Stripped.

Enlarge photo 7
A bit of a close-up view of the "working bits."

You can see the 1-piece firing pin, and the sand cuts in the bolt carrier.

Enlarge photo 8
Underside of the bolt carrier, and the other side of the bolt, note the serial number electro-penciled into it.

Enlarge photo 9
Inside of the reciever, showing the tooling marks.  Kinda rough.

Enlarge photo 10
Forward view into the receiver.

Enlarge photo 11
Right hand side view.  Note the date marking on the upper receiver, RFI 1971 (Rifle Factory Ishapore)

Also, you can see some of the original painted on finish on the butt-socket.

Enlarge photo 12
Now we move on to the L1A1.  It's one of the Century rifles that was sold in 1992, a mish-mash of parts assembled from guns that were sold as surplus.

I also shot this rifle in Service Rifle Competition, and replaced the original British Backsight with a C1 backsight.  I have the original alongside it.  You can also see the Sight Unit Infantry Trilux (SUIT) on an original mount.

Enlarge photo 13
Close-up view of the SUIT, you can see the NSN, as well as the flip-lever for changing from 200 to 400 yard ranges.  The windage knob is also visible here.

Enlarge photo 14
You can see here some of the original black paint finish.

Enlarge photo 15
Left hand side of the receiver.  You can see the paint is well peeled/cracked off, and yo ucan also see the mishmash of upper and lower parts.  

For the record, it is the serial number on the UPPER receiver of the FN that is to be on the registration certificate.  I had to get that corrected on mine.

Enlarge photo 16
Same view here as shown on the Indian rifle, but no marks stamped inside the magazine well.  No idea what they meant on the Indian rifle.  

You can also see the modified Bolt Hold Open pin, a simple piece of 1/8" diameter brass rod was all it took me.  Yes, the purists will scream that it's not original, but it was what I needed for the competitions I was shooting.

Enlarge photo 17
A close-up view of the Left side of the SUIT sight.

Enlarge photo 18
Top view of the SUIT.  

The round dot in the center is where the Trilux lamp would have been.  It was not present with this sight, I got a little LED thingie with it instead.  

Note on the right side of the picture a "E-D" for Elevate or Drop, that's how the elevation is controlled.

Enlarge photo 19
Focusing here on the latch with it's fancy S-Spring. Here it is closed.

Enlarge photo 20
And here is the latch in the open position, allowing the sight to be removed.  Truly a "Quick Detach" system.

Enlarge photo 21
And here is the mount.  You can see the tab in the center that the locking spring hooks up against, with the v-notch in the front for alignment, and the post at the rear for windage adjustment.

Enlarge photo 22
Here is the bottom of the sight.  YOu can see the sight was last serviced in 1991, not too bad!  

YOu can see the windage adjustment system, the bar with the U-notch in it, and the spring for locking it into place.

Enlarge photo 23
Here's the bolt from the L1A1, note the two-piece firing pin, and the much shorter firing pin spring.

Enlarge photo 24
Here you can see the crossed flags on the right hand side of the bolt.  (British Army Acceptance?  It's electropencilled on.)

 Continued ...
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  Sign the Guestbook. Displaying 6 of 6 entries.
Many tһankѕ really սseful. Will share website with my buddies.
roof installations birmingham |, Sat, 10 Sep 2022 8:47AM
Outstanding comparison of the FN variatins between the Commonwealth Countries. The C1A1 brings back memories of the Sarcee range in Calgary Alberta. Great job, Thank you
Brian, Sun, 25 Apr 2010 3:59AM
I'm very impressed with your display. This sure brought back memories. I cut my teeth on the FNC1 in the Canadian Forces back in the 70's. I really miss a fine rifle like the FN C1 and the C2.
armouredtrooper, Fri, 30 Jan 2009 1:07AM
Excellent Article!  I hope that you will be able to expand it with versions of the Israeli and Australian Fn's.
Glen Valour, Wed, 28 Jan 2009 10:44PM
Excellent article, and great pics!
Brings back good memories.
Doc911, Wed, 28 Jan 2009 4:46PM
An excellent effort and very interesting.
terrylee, Sun, 18 Jan 2009 1:25AM
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