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The LAR-15M NM A4 is Rock River Arms' answer to the across-the-course service rifle game, and it shows in the details. It runs a 20-inch air-gauged heavy match stainless barrel that's cryogenically treated with a 1:8 twist, which means it'll stabilize the heavier 69 to 77 grain match loads that high power shooters live on. The .223 Wylde chamber is the smart middle ground here, giving you the tighter tolerances of a match chamber while still safely running both 5.56 NATO and .223 Remington. Rock River rates this rifle at 3/4 MOA at 100 yards, and the reputation backs it up. Folks have taken this exact platform to Camp Perry and posted respectable scores straight out of the box.
The heart of the accuracy story is the RRA two-stage Ultra Match trigger. It's a clean, predictable break that competitive shooters rave about, and it's a big reason this rifle punches well above its price class. Up top you get a forged A4 upper with a detachable National Match carry handle featuring a 1/2 x 1/2 minute hooded aperture, paired with an A2 front sight base and a match post. The forged LAR-15M lower keeps everything tight, and the 12.5-inch free-float NM CMP TRO handguard lets that barrel do its work without interference. It ships with three modular rail sections and an NM sling swivel so you can set up a sling the way the discipline demands.
This one is aimed squarely at CMP and NRA High Power competitors, but it's also a fantastic pick for anyone who wants a genuinely accurate range rifle without building one from scratch. The A2 pistol grip and adjustable RRA Operator CAR stock give you a familiar, adjustable feel, and the A2 flash hider sits on a 1/2-28 threaded muzzle if you ever want to swap muzzle devices. At roughly 8.7 pounds and 37 inches overall, it carries the weight you want up front for steady offhand and prone shooting.
Yes, this rifle was built specifically for across-the-course service rifle competition. The forged A4 upper with detachable National Match carry handle, the heavy 20-inch barrel, and the match sight setup all line up with what those disciplines call for. It's a popular out-of-the-box choice for shooters who don't want to build a dedicated match rifle from parts.
The .223 Wylde chamber safely handles both 5.56 NATO and .223 Remington, so you have plenty of flexibility for practice and matches. With the 1:8 twist barrel, it really shines with heavier match loads in the 69 to 77 grain range, which is what most high power competitors run for the 600-yard line. Lighter 55 grain plinking ammo will run fine too for general range work.
It ships with the National Match iron sight setup, including a detachable carry handle with a hooded match aperture and an A2 front sight base with a match post. Because the carry handle is detachable, you can pull it and mount an optic on the flat-top upper if you'd rather run glass for the Any Sight or Tactical divisions.
Rock River rates it at 3/4 MOA at 100 yards, and that tracks with what owners report. The combination of the air-gauged heavy stainless barrel, free-float handguard, and the two-stage Ultra Match trigger gives it the consistency you need for tight groups at distance. Pair it with quality match ammo and it'll hold its own on the firing line.
A two-stage trigger like the RRA Ultra Match has a smooth, light first stage of take-up followed by a clean, crisp break at the second stage. It gives you more control over the exact moment the shot breaks, which is a big advantage for precision shooting. Many shooters find it a noticeable upgrade over a standard single-stage mil-spec trigger for accuracy work.
Yes, the barrel is threaded 1/2-28, which is the standard pitch for .223/5.56 muzzle devices. That means you can install a compensator, muzzle brake, or a suppressor adapter down the road if you choose. The rifle ships with the standard A2 flash hider installed.
| UPC | 842834100507 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | AR1289 |
| Action | |
| ATF Type | MODERN SPORTING RIFLE |
| Barrel Length | 20" |
| Caliber/Gauge | .223 Wylde |
| Capacity | 20 + 1 |
| Color | Black |
| Length | 39.7500 |
| Safety | Safety Selector Switch |
| Sights | No |
| State Restriction (CA) | NO DIRECT SHIP TO CALIFORNIA |
| State Restriction (IL) | NO SALE TO ILLINOIS PICA |
| State Restriction (OR) | NO SALE TO OREGON |
| State Restriction (RI) | NO DIRECT SHIP TO RHODE ISLAND |
| State Restriction (WA) | NO DIRECT SHIP TO WASHINGTON |
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