Geissele VSASS MRGG MK1 Mod 0 6.5 Creedmoor 16" Barrel SOCOM Rifle DDC *FACTORY NEW*
Guns International #: 103656761 Seller's Inventory #: MK1-002223
Category: Geissele Automatics - Tactical Rifles

Seller's Information
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Verified Seller
Seller: National-Armory
Member Since: 5/3/24
State: Pennsylvania
Zip: 15108
Country: United States
Phone: (724) 457-8060
Platinum Seller
Number of Active Listings: 82
Total Number of Listings: 112
Seller: FFL Dealer
Return Policy: 3 day inspection and return policy on used guns.

Payment Types Accepted: CREDIT CARD, MONEY ORDER, CASHIER'S CHECK, PERSONAL CHECKS

About Us: We are a large online and brick & mortar retailer near Pittsburgh, PA. We deal in new firearms as well as historical, classic, and vintage firearms. Ask us about C&R on applicable items! National Armory follows all local, state, and federal laws. It is the buyer's responsibility to know their laws before purchasing. Prices do not include shipping.


Description:
MANUFACTURER: GEISSELE AUTOMATICS 
MODEL: VSASS MRGG MK1 
CONFIGURATION: MK1 MOD 0 STYLE MID-RANGE GAS GUN 
YEAR MANUFACTURED: FACTORY NEW 
COUNTRY OF ORIGIN: UNITED STATES 
SERIAL NUMBER: MK1-002223 
ROLLMARKS: GEISSELE AUTOMATICS MK1 MULTI-CAL S/N: MK1-002223 / GEISSELE AUTOMATICS NORTH WALES, PA 
CALIBER: 6.5 CREEDMOOR 
CAPACITY: 20+1 ROUNDS (NO MAGAZINE)
BARREL LENGTH: 16.00" 
BARREL FEATURES: CHF, CHROME-LINED, SAAMI CHAMBER, GEISSELE PHASED ARRAY® WITH TRI-PORT™ GAS SYSTEM 
MUZZLE / THREAD PITCH: HUXWRX 7.62 FLASH HIDER / 5/8X24 
OPERATING SYSTEM: DIRECT IMPINGEMENT 
ACTION: SEMI-AUTO 
TWIST RATE: 1:7.5 
TRIGGER: MRGG SSA-E TWO-STAGE 
WEIGHT (UNLOADED): 9.80 LBS 
CONFLICT ORIGIN: GWOT 
OPTICS READY: FULL-LENGTH PICATINNY TOP RAIL
UPPER: MRGG BILLET ALUMINUM UPPER RECEIVER 
LOWER: MRGG BILLET ALUMINUM LOWER RECEIVER, FULLY AMBIDEXTROUS 
HANDGUARD / GRIP TYPE: MRGG MK18 13.5" M-LOK HANDGUARD / GEISSELE A22 GRIP 
FIREARM FINISH: DESERT DIRT COLOR (DDC) 
CONDITION: FACTORY NEW 
ADDITIONAL FEATURES: PHASED ARRAY® GAS SYSTEM, TRI-PORT™ GAS SYSTEM, NANOWEAPON® COATED RELIABILITY ENHANCED BCG, FORGED CARPENTER 158+ BOLT, AMBIDEXTROUS CONTROLS, SUPER 42® BUFFER SYSTEM, MAGPUL PRS LITE STOCK, ENHANCED AMBI CHARGING HANDLE 
UPC NUMBER: 810081135382 
WHAT’S INCLUDED: RIFLE, MANUAL, FACTORY MRRG PELICAN HARD CASE

Born from the U.S. SOCOM Very Long-Range Semi-Automatic Sniper System program, the Geissele VSASS MRGG MK1 is not just another large-frame AR—it is a purpose-built precision fighting rifle engineered for shooters who demand extreme accuracy, reliability, and battlefield-proven performance. Officially adopted as the Geissele MK1 MOD 0 (MRGG-S), this platform delivers the capability of a precision bolt rifle with the speed and adaptability of a modern semi-automatic weapon system. Chambered in 6.5 Creedmoor and built around a compact 16-inch barrel, it excels as a designated marksman rifle, long-range hunting platform, competition rifle, or hard-use precision tactical system.

At the heart of the MRGG MK1 is Geissele's proprietary direct impingement operating system incorporating the patented Phased Array® and Tri-Port™ Gas System. Combined with an in-house manufactured match-grade cold hammer-forged chrome-lined barrel, the rifle delivers exceptional consistency, reduced recoil impulse, and outstanding accuracy. Geissele's proprietary Reliability Enhanced Bolt Carrier Group utilizes a Nanoweapon® coating and forged Carpenter 158+ bolt designed to withstand high round counts and demanding operational environments. The result is an incredibly smooth shooting rifle capable of rapid follow-up shots without sacrificing precision.

Every control surface on the MRGG MK1 has been engineered with serious shooters in mind. The fully ambidextrous billet receiver set incorporates intuitive controls, including Geissele's innovative dust-cover-actuated bolt catch system and rearward bolt release. The Magpul PRS Lite stock provides a stable shooting interface while maintaining practical field weight, and the Geissele A22 grip offers excellent control during extended shooting sessions. The rifle balances exceptionally well despite its precision-focused architecture, making it equally effective from prone, barricades, tripods or unsupported positions.

Modern capability is built into every inch of this platform. The MRGG MK18 13.5-inch free-float M-LOK handguard provides extensive real estate for mission-essential accessories including bipods, lights, lasers, sling attachments, and support equipment. A full-length Picatinny top rail supports everything from LPVOs to dedicated long-range optics. The factory-installed HUXWRX 7.62 flash hider and 5/8x24 muzzle threading provide immediate suppressor compatibility, allowing the rifle to evolve alongside the shooter's mission requirements.

The Geissele VSASS MRGG MK1 represents the culmination of years of development driven by military requirements rather than commercial trends. Every component, from the receiver architecture to the gas system and trigger, exists for one purpose: delivering repeatable precision and unquestionable reliability when performance matters most. For shooters seeking a rifle with genuine SOCOM lineage and world-class engineering, few platforms command the respect earned by the MRGG MK1.

Price: $6,299.99

Rifle Caliber: 6.5 Creedmoor
Manufacturer: GEISSELE
Model: MRGG MK1
Serial Number: MK1-002223
Barrel Length: 16
Bore: NEW
Condition: NEW
Metal Condition: NEW
Wood Condition: NEW
Bore Condition: NEW
Manufacture Date: NEW