1151 EXCEEDINGLY SCARCE & FINE, HUNGARIAN GM6 LYNX

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[?]Live Online Auction Starts In 2026 Nov 06 @ 10:00 (UTC-04:00 : AST/EDT)
Category Firearms & Military
Auction Currency USD
Start Price 8,000.00 USD
Estimated at 16,000.00 - 20,000.00 USD
SEMI-AUTOMATIC ANTI-MATERIAL BULLPUP RIFLE WITH CASE. Cal. 50 (12.7x108mm / 12.7x99mm). S# HL357. Bbl. 28 3/4". Developed at the end of the Soviet era, the Gepard family of bullpup rifles were designed for the Hungarian People's Army, who desired a portable anti-material rifle that was capable of combating lightly armored targets and vehicles. Development was headed by Ferenc Foldi, with the Gepard lineage of rifles featuring a (by today's standards) unconventional long recoil action. Foldi continued to refine the design throughout the years, with the action varying from single shot, bolt action, and semi-automatic designs, which ultimately culminated in the M6 ("GM6 Lynx"). Compared to its far more common contemporary, the Barrett M82, the GM6 Lynx boasts an impressive 23.15 lbs weight (empty) vs. the M82's weight of 29.7 lbs (empty), while also being notably shorter at 43.85" overall (36" when bbl. is locked to the rear in portable configuration) vs. the M82's overall length of 57" (with a 29" bbl.). This example, mfg. in Hungary by Sero International Kft. is marked "GM6 LYNX HL-357 .50cal / 12,7mm/ SERO 2022 HUN, Made in EU Patented", followed by a "THOR GDG/ Van Buren, AR" import mark. Alloy and steel receiver components exhibit a black Cerakote finish. Bbl., adj. brake, and bolt assembly exhibit a blue finish. Receiver is fitted with 2-piece plain black rubber grip panels, with an angled (for right handed shooters) black rubber recoil pad. Top of the receiver features an 18 3/8" picatinny rail, with a 4 11/16" rail mounted on the left and underside, as well as a 2 3/8" rail on the right. Integral side-folding bipod on bbl. catch latch. All serialized parts are matching, to include the receiver, bolt, and bbl. MAGS: x2 5-rd. UNATTACHED ACCESSORIES: black synthetic Pelican hard case containing a fitted hard foam cut interior, which contains the aforementioned mags., a manual, as well as a spare recoil spring. CONDITION: fine, with metal components retaining bountiful amounts of their original factory finishes overall. Brilliant mirror bore, retaining sharp and well defined rifling throughout. Proper manual mechanics. Grips show some minor superficial marks from handling and storage. Bipod feet and black synthetic plate on grip pommel exhibit some scuffing, as is to be expected from any example that has seen even light use. Due to the GM6 Lynx's value, the fact that they are built to order, and the limited number of authorized importers, very few of these rifles are in the United States, with a 2024 Recoil Magazine article on the Lynx indicating that only 40 were in the country at the time that the article was published. This is a seldom presented opportunity for one to acquire a true "Holy Grail" of .50 BMG rifles. (26-3366/MLW). MODERN. $16,000-20,000.