I was looking to buy the best 7.62x51 (.308) piston semi automatic rifle that I could.
After reading countless reviews, I decided to buy a LWRC REPR and a FN SCAR 17.

So I finally got around to shooting these excellent rifles.
The ammunition I used was Federal 175gr 7.62x51 gold medal match.
The scopes used were a LEUPOLD MARK 6 1-6x on the REPR & a BURRIS XTR 1.5-6 on the SCAR 17.

I started by sighting in the rifles at 50 yards. Then 100 yards.
After sighting in the rifles, I shot a 12" gong at 200 yards and a 18" gong at 350 yards.

I shot the SCAR 17 first.
I was on paper on my first shot, so within 6 shots I was punching shots through the same hole at 50 yards.
100 yards was about 1" high but still within the 10 ring. Group size was about 3/4" to 1".
The gongs at 200 & 350 yards didn't stand a chance, as I heard the extremely satisfying "pow, gong" over and over.

The REPR was shooting a ragged hole at 50 yards within 6 shots as well and within the 10 ring at 100 yards.
The gongs at 200 & 350 were further punished by LWRC's exremely accurate REPR.

All told I shot 60 rounds each of the Gold medal match for a total of 120 rounds fired.

Then I switched to MKE ZQ1 147gr .308 ammo.
This ammo is made in Turkey and is a brass case FMJ and I found it real cheap so,I decided to try it out.

I shot 60 rounds of this ammo from each rifle as well.

After shooting a grand total of 120 rounds from the SCAR and 120 rounds from the REPR, I can gladly report that both rifles operated flawlessly.
Both rifles were extremely accurate and did what they were supposed to do.

One thing I noticed was that the point of impact change between the 175gr Federal ammo and the 147gr MKE ammo on the SCAR 17 was negligible. Once I sighted in the SCAR with the 175gr ammo, the rifle point of impact was almost exactly the same with the 147gr ammo. I was surprised.

That was not the case with the REPR. The point of impact was about 2" to the left when I shot the 147gr ammo. I didn't adjust the scopes on either because I intend to use both rifles predominately with the 7.62x51 175gr Gold Medal Match.

OBSERVATIONS, PRO's CON's

*SCAR 17
I really liked the weight of the rifle. It was noticeably lighter than the REPR.
I like the ability to fold the stock. It allows me to fit the rifle in a large backpack.
The SCAR has 2 gas piston settings. Normal and suppressed.
The ability of the SCAR to change the charging handle from right side to left made the gun more comfortable for me.(lefty)

I have a bad case of "blingicitis" and tend to accessorize my guns and this SCAR was no exception.
I replaced the stock lower receiver with the HANDL DEFENSE SCAR 25 (gen 2) receiver. This receiver allows you to use standard AR-10 magazines including the new Magpul 25 round window mags.
I added a Timney SCAR 17 trigger, which gives you a single stage 3.5 lb trigger pull and a very crisp break.
I replaced the stock safety levers with the  magpul SCAR safety levers, which give you a better feel and slightly more real estate to get your fingers on.
I added a Hogue grip. I'm a huge fan of the. Hogue grip. It has a great feel and is in my opinion the most ergonomic grip out there.
I replaced the PWS muzzle brake with the AAC Brakeout 51t brake. This brake lets you run AAC suppressors if you got em.
I also added a VLTOR SCAR butt stock. I really like it. It has a built in QD sling mount and a compartment that allows you to store cleaning supplies or ammo or whatever else you can fit in there.
Finally I put on a IWC SCAR QD mount on the front. I like the QD mounts better as they open up my sling options.

*LWRC REPR
My favorite thing about the REPR is the 4 way adjustable gas settings. It allows you to shoot a "N" normal setting, "S" suppressed, "A" adverse, & "C" closed. The closed setting shuts off the gas system, basically allowing you to use your rifle as a single shot rifle.
It comes standard with a Geissele trigger. Geissele is known for the their excellent triggers.
Ambidextrous safeties as well as bolt release make this rifle extremely lefty friendly.
I added the same Brakeout muzzle brake as I did on the SCAR. I love how much this brake mitigates recoil.

There's really not a lot to add to the already excellent REPR. It has pretty much everything you could want in a semi auto rifle.

After shooting both these excellent rifles, I have no complaints.

If you're looking at buying a perfect rifle out of the box, the REPR is the way to go.

If you don't mind spending a little money to make it perfect, the SCAR is a great choice.

Delete until I remember which if not both are piston action or DI for my original question to matter.  REPR is piston, see that from your description.  Cannot recall on the SCAR.

Got to make cleaning a bunch easier.

Both rifles are piston rifles

Right on KK beautiful rifles thanks for the review. I'll be waiting to get your take on the Paratus also. 

Both rifles are piston rifles

Yeah, went right to the pictures and did not read thoroughly.  The .308 has always been my favorite cartridge. 

I don't checkthis site as much as I used to. When I do kk is still posting stuff to make me envious  lol?

I don't checkthis site as much as I used to. When I do kk is still posting stuff to make me envious  lol?

That bastard.

Nice toys... If you only could keep one, which rifle would it be?

Nice toys... If you only could keep one, which rifle would it be?

That's a tough question.

Both rifles do their job really well.

I thought the LWRC would be incredibly more accurate than the SCAR 17, but that's not the case. They're both real comparable in the accuracy department with the ammo I used.

I think I'll have to shoot a wider variety of ammo through these rifles to see which ammo they like best.

If I was absolutely forced into a decision today, I'd keep the SCAR 17.

I like your picks of the FNs, KK.
 

If cost were of no concern and I could splurge a bit, I would get an FN45 and a Scar17 for each member of my family. 

I would also sell everything else... well maybe except the 22s.

cool...i've been debating about picking up a scar17.  What was the damage to your wallet for the SCAR plus all the extras?

I like your picks of the FNs, KK.
 

If cost were of no concern and I could splurge a bit, I would get an FN45 and a Scar17 for each member of my family. 

I would also sell everything else... well maybe except the 22s.

You mean you'd do this...

cool...i've been debating about picking up a scar17.  What was the damage to your wallet for the SCAR plus all the extras?

I have a "bad" habit of customizing everything I got.

I'd have to sit down and figure it all out but it wasn't cheap.

You mean you'd do this...

Hehe yup. But I would use a sneaky bag or a regular looking suitcase.

That's a tough question.

Both rifles do their job really well.

I thought the LWRC would be incredibly more accurate than the SCAR 17, but that's not the case. They're both real comparable in the accuracy department with the ammo I used.

I think I'll have to shoot a wider variety of ammo through these rifles to see which ammo they like best.

If I was absolutely forced into a decision today, I'd keep the SCAR 17.

KK what was the barrel length on both rifles?

KK what was the barrel length on both rifles?

Both 16" barrels

Is the twist on both barrels the same? That will definitely have an effect when switching between different weight ammo.

I found that with my Browning I can shoot with virtually no deviation using 165-180gr ammo but if I go to 150gr it prints low and left every time. { 30.06, 22" barrel }

Just a thought!