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LMT .308 MWS

Picked up one from a member here on the hide. Nightforce just came in for it so all I'm waiting on now is some rings from Griffin.


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I put around 430 rounds through a Gen 2 MWS over the weekend and about 400 rounds of it was suppressed (AAC SCAR-H-SD). I didn't notice any blowback.

No cleaning until this morning. I had 1 FTF the entire time. Shot M80 ball, Federal 168 GMM, Winchester white box, everything I threw at it went bang. It shot very well all the way out to 1000 yards.
 
Anxiously awaiting the arrival of my LM8. It's coming with the CL 20" .308 barrel, with a 1:10 twist. 175gr SMK's and 178gr AMAX should be pretty nice. I'm wondering if the 208 AMAX can be seated deep enough to fit the mag yet still shoot well. Some immediate changes I'm planning on making, add Magpul PRS, Geissele SSA-E, and starting off with Leupold Mark 6 3-18. That'll change to a Vortex Razor 5-20 once I get it back from them. I wish I would've bought it from someone on the Hide instead of gunbroker. This dude is taking his sweet ass time getting it shipped.
 
168amax all the way = 1:10 AR candy


Anxiously awaiting the arrival of my LM8. It's coming with the CL 20" .308 barrel, with a 1:10 twist. 175gr SMK's and 178gr AMAX should be pretty nice. I'm wondering if the 208 AMAX can be seated deep enough to fit the mag yet still shoot well. Some immediate changes I'm planning on making, add Magpul PRS, Geissele SSA-E, and starting off with Leupold Mark 6 3-18. That'll change to a Vortex Razor 5-20 once I get it back from them. I wish I would've bought it from someone on the Hide instead of gunbroker. This dude is taking his sweet ass time getting it shipped.
 
Could not get an LMT 20" chrome barrel to group using 175's. The 168 gr were magic.
 
Those rail covers come with the gun, I think they're made by LMT.
 
Anyone get anything new?

I've had my MWS for a couple months:

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I got the 16" CL in .308 as the original configuration, which will shoot right around MOA if I do my part. I like how this gun has a bit of girth behind it to soak up a bit of the recoil (I'm a sissy about recoil).




And yesterday I got the 20" SS .260 Rem barrel:

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I'll get the new barrel out to the range on Sunday morning. I'm using 120gr A-Max bullets, so the barrel should be able to stabilize those pretty well. From what I understand, a 1/8 twist is required for the bullets heavier than 135-140 gr.
 
I've shot the 140 Amax in my 260 out to 967 yds with great results. Had more than a couple first time shooters get behind the gun that day and hit a 12" plate at that distance. Don't be scared of trying heavier bullets in that barrel.

My load:
Winchester 7mm-08 necked down to .260
140gr Hornady A-max
43.5gr H4350
Federal 210 primer
I cant remember the COAL at the moment but its mag length. No crimp.
Velocity is 2,750fps and brass life is great.
 
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Yeah the .260/6.5CM (I have a .260 barrel) are 1/9, but there was talk of making them 1/8. I didn't know if LMT had changed the twist rate.

The .308 CL barrels are 1/10, but the .308 SS barrels are 1/11.25.

I hope LMT does .260 in 1/8, way better for 136-142 grain 6.5 bullets.
 
Yeah the .260/6.5CM (I have a .260 barrel) are 1/9, but there was talk of making them 1/8. I didn't know if LMT had changed the twist rate.

The .308 CL barrels are 1/10, but the .308 SS barrels are 1/11.25.

I hope LMT does .260 in 1/8, way better for 136-142 grain 6.5 bullets.

Any idea why the different twists for the .308 barrels?
 
Any idea why the different twists for the .308 barrels?

Speculation.1/11.25 twist for the British L129A requirement to fire standard Radway Green 7.62x51 mm NATO L2A2 ball ammunition and maintain consistent hits on a man-size target at 800 meters. Whereas, the 1/10 twist to stabilize heavier projectiles like 168 1nd 178 grain.
 
What period of manufacture is that with the engraving on the mag well of the lower?
These were a limited run (some of them, like mine, to exact L129A1 spec) produced by LMT for the British civilian market albeit with no gas parts (thus removing semi-auto) - hence 'Straight Pull' ~ manually operated between shots.

LM308SS is LMT's designation for the 'Sharp Shooter Rifle Weapon System' listed here: LM308SS - Sharp Shooter Rifle Weapon System - Firearms
 
This engraving denotes is a British "legal" version that functions like a bolt action rifle. Hence the "straight pull". The barrel has no gas port and there is no gas tube.

What period of manufacture is that with the engraving on the mag well of the lower?
 
Picked up one from a member here on the hide. Nightforce just came in for it so all I'm waiting on now is some rings from Griffin.


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Ugh, that is just damn sexy. I have been drooling over one of these for some time now.
 
This engraving denotes is a British "legal" version that functions like a bolt action rifle. Hence the "straight pull". The barrel has no gas port and there is no gas tube.

Thank you. Lets hope we never see that become SOP around here.

Happy shooting from a fellow minority ie a Masshole that shoots.
 
Read it and weep!


Here's what it looks like with the barrel:

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First ten shots out of my .260 Remington barrel:

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0.875-0.260=0.615" for ten shots.

The caveat here is that there wasn't enough powder to reliably pick up the next round. It extracted and ejected just fine, it just have enough oomph to pick up the next round.
 
120gr Amax
36.8 gr Varget
Remington 9 1/2 primer
Rando brass trimmed to 2.025
COAL 2.775

I picked that charge of powder just because it was on the low end of what the hornady manual told me.

If I learned anything about reloading, is that it's better to have a mouse fart than elephant flatulence.

I'll dial it up a tad to see where it can reliably cycle the weapon and still give groups like these.
 
holy cow, that's awesome!

Read it and weep!


Here's what it looks like with the barrel:

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First ten shots out of my .260 Remington barrel:

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0.875-0.260=0.615" for ten shots.

The caveat here is that there wasn't enough powder to reliably pick up the next round. It extracted and ejected just fine, it just have enough oomph to pick up the next round.
 
holy cow, that's awesome!

Seeing as it won't completely cycle the gun (it will extract and eject, it just doesn't pick up the next round), it doesn't meet the requirements of round three of your 100yd challenge.

Soon.
 
What do you think is wrong with it?

Not enough of the boom-boom behind the 'ouchie-pill'.

36.8 gr of varget isn't a whole lot of powder. It's a nice soft whisper of a gun, compared to a full power .308 from a 16" barrel.
 
Are yall seeing the 175's or 168's to be more accurate out of the 16" chrome line barrel.

Has anyone tried the Grafs factory seconds 168's or 175?
 
Black Hills and SW ammo 168's seem to shoot a little better for me. 1/2 to 3/4 groups with the 168 out of a 16 inch CL barrel. It is one heck of a rifle system with either round. Both shoot under an inch at 100 yards with no problem.
 
Top left 5 shot group is 175 grain Federal Mk118LR. Bottom right 5 shot stringer is Speer 168 grain. Rifle is 1:10 CL 16 inch barrel. That about covers that.
 

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Completed my build last night and got the pelican cut out. Can't wait to hit the range!
 

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Just an interesting data point regarding the mws, different barrels and preferred projectiles.

I've got a 18" ss, 20" ss and a 16"cl.
All are sub moa, but only with their preferred projectile.
20" ss- 168 amax
18" ss- 178 amax
16" cl- 155 scenar

The 18" and 20" ss really surprised me, because the 178's and 168's were not interchangeable at all, regardless of powder type and charge weight.
 
Just an interesting data point regarding the mws, different barrels and preferred projectiles.

I've got a 18" ss, 20" ss and a 16"cl.
All are sub moa, but only with their preferred projectile.
20" ss- 168 amax
18" ss- 178 amax
16" cl- 155 scenar

The 18" and 20" ss really surprised me, because the 178's and 168's were not interchangeable at all, regardless of powder type and charge weight.

Hmmmm, going to have to pick up some 155 Scenars.
 
Just an interesting data point regarding the mws, different barrels and preferred projectiles.

I've got a 18" ss, 20" ss and a 16"cl.
All are sub moa, but only with their preferred projectile.
20" ss- 168 amax
18" ss- 178 amax
16" cl- 155 scenar

The 18" and 20" ss really surprised me, because the 178's and 168's were not interchangeable at all, regardless of powder type and charge weight.

I have some 155s that I think I'll give a try in my 16" CL.....