Boomarms

Boomarms operates as an online airsoft retailer based in Hong Kong with worldwide shipping. They specialize in custom gas blowback (GBB) airsoft pistols and rifles, high-end upgrade components, and platform-specific parts for Tokyo Marui systems.

The shop creates custom airsoft firearms including:

• •Gas Blowback Pistols: Custom Glock variants (G17L, G17 Gen5, G45, G19X), Sig P320 models, 1911 variants, and Hi-Capa platforms
• •Rifles: M4 MWS conversions, XM177E2 builds, M733 carbines, and AR-pattern MWS systems
• •Conversion Kits: Angry Gun 416CAG kits, receiver upgrades, and complete platform conversions

All airsoft guns sold comply with regulations—under 2 joules power output, no unauthorized conversion services offered.

Boomarms stocks components from major manufacturers:

• •Stippling Grips: T-style, STI-style Staccato, AGA-style, FI-style custom polymer frames
• •Cerakote Service: Custom color finishing (referenced in Gallery & Service section)
• •Blueprint Builds: Accept custom specifications via email at [email protected]
• •Platform-Specific Work: Marui, Umarex, SIG Air base modifications

The catalog includes dozens of pre-built custom pistols ranging from $4,380-$9,888 HKD, upgrade parts at $26-$745 HKD, and complete rifle conversion kits up to $8,500 HKD. They maintain inventory of:

• •Marui G-series platforms (G17, G18C, G19, G26, G34, Gen5 variants)
• •Marui Hi-Capa 5.1/4.3 series
• •Tokyo Marui MWS rifle systems
• •SIG Air M17/M18 gas blowback variants
• •Umarex licensed platforms
• •Accessories like magazines, sights, and precision internals

Their custom work focuses on real-steel ergonomic designs translated to airsoft platforms—TTI Ballerina grip configurations, combat master setups, and competition-style builds. They document completed work on their Instagram (@boomarms) showing build progression and final results.