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"I find that the VFC GBBR MK1 LAR OSW replica stands out for its compact design with a folding stock, which is very useful for switching between dynamic CQB scenarios and more open-field play. I also appreciate its solid construction with numerous steel parts, its M-LOK handguard, and its blowback operation, which give the whole gun a real character and a solid foundation."
Charly
Product Manager
The GBBR MK1 LAR OSW replica from Vega Force Company is a gas-powered blowback airsoft replica designed in an OSW (Operational Specialist Weapon) configuration, intended for use in variable environments without sacrificing mechanical realism or feature richness. Weighing 3,570 g and with a length adjustable between 610 mm and 850 mm, it is aimed at players seeking a compact platform that operates realistically and is built with rugged, production-grade materials. Its design makes it a logical choice for both CQB scenarios and open-field play.
The MK1 LAR OSW features a metal body, complemented by a set of steel components. The flash hider, adjustable front sight, bolt catch, magazine release, trigger, trigger guard, and fire selector are all made of steel, giving the replica a structural durability that is noticeable in the hand. The bolt carrier group is CNC-machined from steel, and the upper Picatinny rail is CNC-machined from aluminum, two components whose manufacturing precision directly impacts the reliability of the firing cycle and the stability of mounted accessories. The handguard is made of aluminum, with integrated M-LOK mounts and a Picatinny rail. The SAW-style pistol grip is made of polymer. The outer barrel combines aluminum and steel to balance lightness and rigidity.
Gas-powered, the MK1 LAR OSW replicates the operating cycle of an LAR platform with active blowback, ensuring the bolt carrier group moves with each shot. The three-position fire selector (SAFE / SEMI / AUTO) is made of steel and positioned for right-handed use. The gas tube, piston, and gas regulator are represented as movable dummy components, enhancing the authenticity of disassembly and handling. The replica also features a Blank Firing Switch that disables the bolt lock for dry-fire practice, preventing unnecessary wear on the mechanism during actual use. The hop-up is adjustable using the dedicated tool included with the replica, allowing you to adjust the spin applied to the BB based on playing conditions and the BB weight used.
This MK1 replica features an NPAS system that allows you to adjust the power as needed. The paratrooper-style folding stock folds sideways to the right. When folded, the total length is reduced to 610 mm, making it easier to maneuver in tight spaces and during CQB. With the stock extended, the replica reaches 850 mm for a stable grip at longer ranges. The front sight is height-adjustable and the rear sight is windage-adjustable, allowing for customized sight alignment. The horizontal disassembly lever separates the upper receiver from the lower receiver, facilitating maintenance and access to internal components.
The VFC GBBR MK1 LAR OSW replica features a metal receiver and a CNC-machined steel bolt carrier group. Many external components, such as the fire selector, trigger, trigger guard, and flash hider, are also made of steel for maximum durability.
Yes, its compact OSW configuration and folding paratrooper-style stock reduce its length to 610 mm, making it easier to handle in tight spaces. When the stock is extended, it reaches 850 mm, offering complete versatility for both indoor and open-field engagements.
The Hop-Up is adjusted using a key included in the box. This system allows for fine-tuning the effect applied to the BBs to optimize accuracy based on the BB weight used.
The aluminum handguard features M-LOK mounts and a Picatinny rail on top for mounting optics or accessories. This model is specifically designed to be compatible with short or long LAR-type M-LOK handguards, as well as VFC's CNC Modern Duty Optic Rail Kit.
Yes, this replica has a dedicated function thanks to the Blank Firing Switch located on the magazine. This switch disables the automatic bolt stop when the magazine is empty, making it ideal for functional tests or technical handling.
Maintenance should be performed exclusively with silicone lubricant to protect the seals and moving parts of the blowback system. It is recommended to clean the barrel regularly and lubricate the friction points of the steel bolt carrier group after each use.
The box includes the replica, a 20-BB gas magazine, a 100-BB loader, the tool needed to adjust the hop-up and disassemble the gun, and the user manual. The set is ready for immediate use after adding gas and BBs.
Yes, this replica comes standard with an NPAS system that allows you to adjust its power within the limits imposed by the playing field or conditions of use. It is recommended that you check the power with a chronograph after each adjustment.
1 x GBBR MK1 LAR OSW Replica VFC
1 x 20-bbs gas magazine
1 x 100-bbs speedloader
1 x Hop-Up adjustment and disassembly tool
