The repeating rifle Mercury STR Sport FC is a long-range rifle for precision shooters, with a special rest forend for the F-Class. The rifle has a TLD system, manufactured for precise shots at the longest distances. The solid barrel has a diameter of 28 mm at the muzzle and a length of 710 mm.

Interchangeable bolt handle

The bolt is equipped with an interchangeable tactical bolt handle and an external magazine release lever, which is particularly suitable for the fast pace of competitions.

Tactical stock

The modular tactical stock is equipped with an aluminum chassis, a new forend and a stock milled from a high-strength egal 55 alloy on CNC machines.
The cheek rest as well as the trigger travel can be individually and stably adjusted with screws. The specially attached rest on the underside of the buttstock fits exactly into the recess of a normal shooting rest and thus guarantees additional stability.
The rigid aluminum alloy chassis gives the STR Sport superior precision.

The multiradial running profile (MRR®)

When comparing a traditional barrel with a polygonal and the multiradial, the latter is ideal for both traditional and solid bullets. With multi-radial barrels, two different radii alternate, which give the bullet geometrically positive support without putting too much strain on it. In fact, the bullets are pressure formed to follow the circumference and are not cut like in the traditional barrel, extending the life of the barrel. Additionally, there are no sharp corners like other barrel systems where debris collects, keeping the barrel cleaner and reducing wear.

All tests that have been carried out show: Multiradial barrels shoot better and more precisely than traditionally shaped barrels with conventional lead bullets and with solid bullets in cal. 7.62 mm (.308) and cal. 6.5 mm (.264).

At standard pressures, the exit velocity is higher than a traditional barrel - up to 12% in certain circumstances. The bullet seals the barrel bore better so that no gas can escape to the front, which optimizes the effect of the propulsion energy. In addition, the friction between the bullet and the barrel is reduced to a minimum.

The spatial arrangement has further improved due to the extremely tight production tolerances that must be maintained when producing multiradial barrels. The multiradial barrel is ideal for the cold forging process. The consistency of the running profile created is excellent and the overall quality of the runs has been improved.

The special barrel geometry of the barrel lug in multiradial barrels enables the bullet to be guided more precisely and continuously through the chamber neck and the bullet bore than is the case with conventional barrel systems - the bullet hits the bore in the best possible way, which reduces flight abrasion.

Under the same conditions, there is less copper deposits inside the multiradial barrels, meaning less cleaning is required. And if cleaning needs to be done, it's easier than with conventional trains. The user can further improve the performance of the multiradial barrel by simply applying abrasive paste when cleaning, without having to worry about ruining the barrel as can be the case with the traditional profile.

Robust security

The safety used locks both the trigger and the sear. It is a very safe system because the locking of the sear is particularly robust. And when the sear is locked, the firing pin is also locked. In theory, a safety that directly locks the firing pin is safer, but due to the small size of the components, these parts are often less resilient.