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" The GBBR SCX Rattler .300 SALVO PRECISION replica is a very well-rounded platform for CQB, featuring a compact design, a well-designed folding stock, and ambidextrous controls that make it easy to handle. I also like its MWS Gen 2 base, which offers peace of mind regarding both compatibility and improvements made to key areas such as the cycle, barrel mounting, and hop-up stability. "
Quentin
Content Writer
The SALVO PRECISION GBBR SCX Rattler .300 5.5" MWS-style replica is a compact gas blowback rifle (GBBR) designed in the spirit of the SIG MCX Rattler. It is aimed at CQB and milsim players looking for a high-performance PDW platform based on Tokyo Marui's Gen 2 MWS ZET standard. Measuring 390 mm when folded and 600 mm with the stock extended, it offers true compactness for engagements in confined spaces, without compromising on build durability.
The SCX Rattler's body is CNC-machined from aluminum, while the internal components are made of reinforced steel. The bolt, the central component of the firing cycle, is made of stainless steel, which enhances both durability and recoil feel compared to a standard bolt. The minimalist folding stock is also made of stainless steel, complemented by a rubber buttpad to absorb shocks and improve comfort when shouldering the rifle.
The Gen 2 version incorporates three improvements directly based on feedback from the Gen 1: a recoil spring buffer integrated into the lower receiver for better absorption of the bolt's travel, a revision of the barrel mounting system to eliminate play and improve accuracy, and a redesign of the hop-up chamber base for a more stable assembly. These improvements make this version a significantly more refined product than its predecessor.
The SCX Rattler operates on Tokyo Marui's MWS ZET platform, a short-stroke piston GBB system renowned for its smooth and rapid cycle. It features both semi-automatic and automatic firing modes. The short-stroke bolt system incorporates a guide rail with springs and rollers, ensuring a fast and consistent cycle.
The hop-up chamber is adjustable and provides tactile feedback during adjustments. Its design, integrated directly into the base of the outer barrel, minimizes play between the hop-up seal and the inner barrel, two components that are often the source of inaccuracies on GBBR platforms. The outer barrel has a 14 mm counterclockwise (14 mm CCW) thread, compatible with most suppressors.
The SCX Rattler features a partially ambidextrous control system: the fire selector, cocking handle, and magazine release are accessible with either hand. The bolt catch, however, is operable only from the left side. The magazine well is flared to facilitate rapid reloads, particularly in CQB situations.
The 5.5-inch Gen 2 M-LOK handguard and the Picatinny rail on top allow for mounting optics, flashlights, grips, and other accessories depending on the desired configuration. Ambidextrous QD mounts are located on the handguard, the rear of the receiver, and the stock, offering multiple sling attachment options. The folding stock is height-adjustable and can fold to either the left or right, depending on the player's preference.
In terms of compatibility, the replica accepts AR15/M4 gas magazines from SALVO PRECISION, Double Eagle, and Tokyo Marui MWS, as well as most parts that meet Tokyo Marui's MWS GBBR standard.
This replica uses the Tokyo Marui MWS ZET system and is compatible with Salvo Precision's Stanag V2 gas magazines. It is also compatible with magazines for the Tokyo Marui MWS and Double Eagle, offering great flexibility in sourcing magazines.
The Gen 2 features a recoil buffer for better shock absorption and a smoother cycle. The barrel mounting system and Hop-Up chamber have been redesigned to eliminate mechanical play and optimize accuracy.
The body is fully CNC-machined from aluminum, while the bolt and internal components are made of stainless steel and reinforced steel for maximum durability. The minimalist folding stock is also made of stainless steel with a rubber buttpad.
Yes, the replica features ambidextrous controls for the fire selector, cocking lever, and magazine release. Additionally, the stock can be configured to fold to the left or right and features QD attachment points accessible from both sides.
Thanks to its ultra-compact PDW design (390 mm with the stock folded), this replica performs exceptionally well in CQB environments. Its rugged construction and high-end materials also make it an excellent choice for Milsim enthusiasts.
The adjustment is made at the base of the outer barrel and features tactile feedback for precise and stable configuration. This system is directly integrated into the barrel assembly to minimize vibrations and ensure more consistent firing.
Yes, the replica is equipped with an upper Picatinny rail and a 5.5-inch M-LOK handguard for attaching scopes, flashlights, and grips. The barrel features a standard 14 mm counterclockwise (CCW) thread, allowing for the installation of a suppressor or tracer.
The package includes the SCX Rattler replica, a 30-BB gas magazine, the folding stock, and an Allen wrench for adjustments. The set comes in a hard-shell carrying case to ensure optimal protection when you're on the go.
1 x GBBR SCX Rattler .300 5.5" MWS-Style Replica SALVO PRECISION
1 x 30-bbs STANAG V2 gas magazine
1 x SALVO PRECISION folding stock
1 x Allen wrench
1 x User manual
1 x Hard-shell carrying case
