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Big-bore AR rifles have a reputation for being heavy, clunky, and picky. The Rock River Arms LAR-BT3 X-1 pushes back on all three. Built on RRA's billet aluminum LAR-BT3 receiver set, this .308 Win rifle centers around an 18 inch fluted stainless steel barrel that gets a cryogenic treatment to relieve stress in the steel and extend barrel life. The fluting trims weight where a .308 barrel tends to pack it on, and the 1:10 twist stabilizes everything from light varmint loads to heavy match bullets. Rock River backs it with a 1 MOA accuracy guarantee, which is a real statement for a semi-auto .308 at this level.
A lot of the credit goes to the fire control group. RRA's two-stage match trigger breaks clean and predictable, the kind of trigger you'd normally end up buying separately and installing yourself. Up front, the Hunter muzzle brake takes real bite out of .308 recoil and keeps the muzzle flat so you can spot your own impacts. The mid-length gas system with a low-profile gas block keeps the action running smooth, and the 17 inch free float M-LOK handguard gives you room for a bipod, light, or whatever else your setup calls for without touching the barrel. A full-length top rail leaves plenty of real estate for a scope, and with no factory sights fitted, you get to mount glass exactly where you want it.
The RRA Operator six-position carbine stock lets you adjust length of pull for winter layers or bench work, and the Hogue rubber grip stays comfortable through long sessions. An oversized winter trigger guard means gloved hands aren't a problem on a cold morning hunt. At around 9.5 pounds, it carries better than most .308 ARs, and the 20 round magazine keeps you shooting instead of reloading.
Every rifle ships in an RRA case with one 20 round magazine. Mount your optic, zero it, and this thing is ready for deer season, steel at distance, or a serious range day.
No, this rifle ships optic ready with no factory sights. The full-length Picatinny top rail on the receiver and handguard gives you plenty of room to mount a scope, red dot, or magnifier setup. Most buyers put a variable power scope on it to take advantage of the 1 MOA accuracy guarantee.
Rock River Arms backs the X-1 with a 1 MOA accuracy guarantee, meaning roughly one inch groups at 100 yards with quality match ammunition. The cryogenically treated 18 inch stainless barrel, free float handguard, and two-stage match trigger all work together to get you there. Ammo selection matters, so try a few match loads to find what your barrel likes.
The LAR-BT3 receiver set is built to run standard SR-25/DPMS pattern .308 magazines, which are the most common and affordable big-bore AR mags on the market. One 20 round magazine is included with the rifle. Popular options like Magpul PMAG 20LR and 25LR mags are easy to find if you want spares.
It makes a strong choice for deer, hogs, and predator hunting. The 18 inch barrel keeps overall length manageable in the field, the fluting cuts carry weight, and the oversized winter trigger guard works well with gloves. The .308 chambering handles just about any North American game at practical hunting distances.
| UPC | 842834108435 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | XBT31751B.V1 |
| Action | |
| ATF Type | MODERN SPORTING RIFLE |
| Barrel Length | 18" |
| Caliber/Gauge | .308 / 7.62 NATO |
| Capacity | 20 + 1 |
| Color | Black |
| Length | 39.7500 |
| Model | |
| Product Type | AR |
| 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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