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There are takedown rifles, and then there is the LaRue Briefcase Siete. This one breaks down small enough to ride in the included Pelican 1495 briefcase with custom-cut foam, and it goes back together with a preset 40 ft-lb torque wrench that takes the guesswork out of barrel installation. Because the Siete's barrels are pre-headspaced, you torque it down, confirm zero, and get to work. No gunsmith, no drama, and the repeatability of this system is what built the Siete's reputation.
At its core, this is a CNC-machined billet action bedded into an aluminum chassis, wearing a 17 inch LaRue match-grade barrel chambered in .308 Win. The muzzle is threaded 5/8×24 with a thread protector, so adding a suppressor or brake is a five minute job. A Timney trigger breaking at a clean 2.5 pounds handles fire control, and the tool-less, free-floating M-LOK handguard gives you plenty of room for a bipod, quiver, or whatever else your setup calls for. Up top, a Picatinny rail is ready for glass, and the magwell feeds from common AICS-pattern magazines with a generous drop latch that works fine with gloves on.
The modified LaRue RAT stock sits on a folding six-position extension, which is the trick that lets a full-size precision rifle collapse alongside the chassis and disappear into a briefcase. The OD Green furniture, including the A-PEG grip, keeps your trigger finger indexed naturally, and at 37.25 inches assembled with a 9.2 pound running weight, it settles in nicely behind a bipod.
LaRue includes the quick-disconnect scope mount, bipod, one AICS magazine, and the torque wrench, so the only thing missing from the foam is your optic and ammo. Whether you shoot steel on the weekends, want a truck gun that travels discreetly, or just appreciate clever Texas engineering, the Briefcase Siete is a genuinely unique package that shoots as well as it packs.
Two features make it possible. The RAT stock folds along the left side of the chassis, and the barrel removes from the action using the included preset torque wrench. Broken down, the whole rifle plus the scope mount, bipod, and magazine tuck into the custom foam of the Pelican 1495.
LaRue barrels come pre-headspaced and the torque wrench is preset to 40 ft-lbs, so barrel installation is consistent every time. The system is designed for repeatable accuracy after reassembly, which is the whole point of the Siete platform. Most owners report minimal to no zero shift, though it never hurts to confirm zero before a match or hunt.
The magwell accepts standard AICS-pattern short action magazines, and one 5-round mag comes in the case. The drop latch is oversized, so mag changes are easy even with gloves on. Since AICS is the most common precision rifle mag pattern out there, finding spares in various capacities is simple.
Yes. The 17 inch match-grade barrel comes threaded 5/8×24 and wears a thread protector from the factory. That is the standard thread pitch for .30 caliber suppressors and muzzle devices, so most cans will spin right on.
| UPC | 810143182552 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | LT-BC-SIETE-308W |
| Action | |
| Barrel Length | 17" |
| Caliber/Gauge | .308 / 7.62 NATO |
| Capacity | 5 + 1 |
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