MasterPiece Arms BA Comp Pro Chassis (2026) - Midnight Bronze

MasterPiece Arms BA Comp Pro Chassis (2026) - Midnight Bronze

For over a decade, Masterpiece Arms (MPA) chassis systems have dominated the Precision Rifle Series (PRS), setting the gold standard for competition-grade long-range shooting. The MPA BA Competition Professional (BA Comp Pro) Chassis represents the ultimate evolution of championship-winning rifle architecture, merging the proven DNA of MPA's BA Comp and ESR models with an entirely redesigned, highly modular buttstock system. Engineered specifically for right-handed Remington 700 Short Action platforms, this chassis is built for one purpose: helping shooters hit more targets, adapt instantly on the clock, and win matches.

Machined from 6061 aluminum billet and finished in a durable Midnight Bronze H-Series Cerakote, the BA Comp Pro introduces complete tool-less adjustment across the cheek riser, length of pull, and pushbutton drop-down Ultra Bag Rider. It features an integrated 1.5-inch Arca Swiss RAT (Rapid Adjustment Technology) rail along the forend, a built-in inclinometer leveling system, an Enhanced Vertical Grip (EVG), and a V4 Spigot Mount. Designed to eliminate harmonic vibrations through "No Tuning Fork" geometry, this non-folding chassis comes equipped with two segmented night vision bridges and accepts all standard short-action AICS and AW pattern magazines.

Features

Tool-Less Modular Precision:
Fully adjustable cheek riser, length of pull (12.8" to 16.25"), and pushbutton Ultra Bag Rider require zero hex keys or tools for instant, on-the-clock position tuning.

Harmonic-Free "No Tuning Fork" Geometry:
Precision-engineered chassis structure eliminates resonance and tuning-fork vibrations without relying on secondary rubber dampening inserts.

Integrated MPA RAT Arca System:
Full-length 1.5" Arca-Swiss rail built directly into the underside of the forend enables rapid, secure mounting of tripods, bipods, and barricade stops.

Segmented Night Vision Bridges:
Includes two night vision bridge segments (supports up to 5) that mount along the forend to host thermal/NV optics while serving as an effective thermal mirage shield.

V4 Spigot Mount Included:
Comes standard with a V4 Spigot Mount featuring both Picatinny rail and Dovetail plate interfaces for extending bipod placement forward of the forend.

V-Bedding & Ergonomic Interface:
Proven V-Bedding system ensures repeatable action seating alongside an Enhanced Vertical Grip (EVG), machined thumb notch, and attached 2-round cartridge holder.

Integrated Inclinometer Leveling System:
Built-in leveling bubble provides immediate visual confirmation of rifle cant to prevent elevation and windage errors at extended ranges.

Specifications