Engineered for a custom fit and feel. Delivering uncompromising confidence in every configuration.
The RRS® Sony Alpha A1ii/A9iii Series Modular Plate System
Trusted by professionals and serious enthusiasts worldwide, the RRS® Sony Alpha A1 II / A9 III Modular Plate System is built for photographers and filmmakers who demand absolute reliability from their support gear. Precision-machined in the USA and proven in the harshest real-world environments, this system delivers a rigid, repeatable foundation for high-speed stills and professional video workflows where failure is not an option. For exact dimensions, weight, and compatibility details, view the full specification table below.

Precision Where It Matters. Stability for the Full-Grip Setup
Designed specifically for the Sony a1 II and a9 III body, the RRS® BVGC5-L delivers a rigid, repeatable interface for high-speed stills and professional video workflows. Precision-machined mating surfaces create a true anti-twist fit that locks the camera in exact alignment—even under heavy lenses, fast panning, or vertical shooting. The modular vertical component removes cleanly when not needed, while laser-engraved center marks, a captive mounting system, and compatibility with RRS QD and hand-strap accessories provide fast setup and confident handling in any orientation.
One System. Endless Configurations
The BVGC5-L adapts instantly from a low-profile base to a full professional L-Bracket without forcing you to change how you shoot. Battery and port access remain unobstructed, so there’s no downtime when swapping batteries, tethering, or connecting video gear. Integrated hex-key storage keeps adjustments fast in the field, while compatibility with RRS video accessories and modular extensions lets the platform grow with your workflow—from stills to hybrid to full production.


Heirloom Construction. Precision Mounting. Total Confidence.
Machined from solid 6061-T6 aerospace-grade aluminum, this L-Bracket is engineered to deliver uncompromising strength, stability, and long-term reliability in professional environments. Advanced CNC machining ensures tight tolerances and exceptional structural integrity, while a Type II hard-anodized finish provides durable resistance to wear, corrosion, and the elements. Critical fastening points utilize 303 stainless steel hardware, selected for its strength and dependable performance under repeated load.
Integrated into this rugged design is a precision-machined Arca-style dovetail that conforms to the 1.5" RRS Dovetail Standard, delivering flawless clamp engagement and zero-slop mounting across RRS and most Arca-type quick-release systems. Built-in RRS-Lock® safety stops add an additional layer of protection against accidental release, keeping your camera secure whether mounted on a tripod, ball head, or support system in demanding shooting conditions. The result is a precision tool built not just to last—but to perform with total confidence for years of hard use.
New to L-Brackets?
Learn more about what an L-Bracket is and how it improves tripod workflow, camera stability, and vertical shooting efficiency. Our in-depth guide explains when to use an L-Bracket, how it improves composition, and why professionals rely on them for faster, more consistent results.
Elevate your pursuits with unyielding American craftsmanship
Add the BVGC5-L Sony a1 II / a9 III L-Bracket to your kit for a rigid, precision-fit mounting solution engineered for fast-paced, professional shooting. With secure anti-twist support and seamless horizontal-to-vertical transitions, it delivers consistent framing, confident handling, and total system reliability when it matters most.
What's in the box?
- (1) Sony BVGC5-L (l-component)
- (1) Sony BVGC5-B (Base Plate)
- (1) 5/32" hex key
- (1) B107 screw
- (1) 1/4"-20 x 3/8" Screw
- (1) QR-Code Reference Card for User Manual
Sony A1 II, A9 III VG-C5 Battery Grip Custom Arca L-Bracket
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