Description
LaRue built the LT-018 for folks who want serious reach without the drama of a full custom build. This is LaRue's big-bore MGU (Match Grade Upper) chambered in 6.5 Creedmoor, a round that earned its reputation by staying flat, bucking wind, and hitting steel well past 800 yards. The idea here is simple: bolt it to your LaRue pattern lower, mount a magnified optic, feed it match ammo or your own handloads, and go shoot tight groups.
What Makes the LT-018 Shoot
At the heart of this upper is a 22" match grade barrel with a 1:8 twist, which is the sweet spot for the heavier, high-BC 6.5 bullets that make this cartridge sing. It runs an extended length gas system for smooth, consistent cycling, a .750" gas block journal, and a 5/8×24 threaded muzzle wearing an A2 flash hider. LaRue rates the barrel life at around 10,000 rounds, so you've got a lot of trigger time ahead before you start thinking about a rebarrel.
Handguard and Build Quality on the LT-018
The upper rides a 14.5" free-float M-LOK handguard that gives you a slim, rigid platform for bipods, lights, and sling hardware without choking the barrel. Everything is CNC-machined from aluminum and wears a hardcoat anodized black finish, with a continuous Picatinny top rail for your optic. The free-float design keeps anything you hang off the rail from touching the barrel, which is a big part of how this thing holds its accuracy.
One thing to know up front: the LT-018 is built on the LaRue AR-10 pattern, so it mates to LaRue large frame lowers and does not fit DPMS style receivers. If you're already running a LaRue lower, this is about as easy as a precision rifle build gets. LaRue's reputation for turning out some of the most accurate production rifles on the market is well earned, and this complete upper is a clean way to tap into that performance.
Key Specifications
- Manufacturer: LaRue Tactical
- Model: LT-018
- MPN: LT-018
- UPC: 810143180121
- Caliber: 6.5 Creedmoor
- Barrel Length: 22 in
- Twist Rate: 1:8
- Gas System: Extended Length, Direct Impingement
- Muzzle Thread: 5/8×24
- Muzzle Device: A2 Flash Hider
- Gas Block Journal: .750 in
- Handguard: 14.5 in Free-Float M-LOK
- Finish: Hardcoat Anodized
- Color: Black
- Platform: LaRue Pattern AR-10 / Large Frame
- Rated Barrel Life: Approx. 10,000 rounds
What’s Included
- LaRue LT-018 complete match grade upper receiver
- 22" 6.5 Creedmoor match grade barrel
- 14.5" free-float M-LOK handguard
- A2 flash hider
- Bolt carrier group
- Charging handle
Frequently Asked Questions
Will the LT-018 upper fit my lower receiver?
This upper is built on the LaRue AR-10 pattern, so it's designed to mate with LaRue large frame lowers. It does not fit DPMS style receivers. If you're already running a LaRue lower, it should drop right on with a clean fit.
What kind of accuracy can I expect from this 6.5 Creedmoor upper?
LaRue builds these as match grade uppers, and the combination of a 22" barrel and 1:8 twist is set up for sub-MOA performance. With quality match ammo or good handloads, groups under 1 inch at 100 yards are realistic. The free-float handguard helps keep that accuracy consistent once you load up the rail.
Is the LT-018 barrel threaded, and what's the thread pitch?
Yes, the muzzle is threaded 5/8×24, which is the common thread pitch for .30 caliber and 6.5mm platforms. It ships with an A2 flash hider installed, so you can swap in a different muzzle device or compatible suppressor mount if you prefer.
Does the LaRue LT-018 come with a bolt carrier group and charging handle?
Yes, this is a complete upper and includes the bolt carrier group and charging handle. Once you pair it with your LaRue pattern lower and add an optic, you're ready to head to the range without sourcing extra parts.





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