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C&H Precision HK 2020 VP9 V4 MIL / LEO to Aimpoint ACRO Adapter Plate - Heavy-Duty Precision Machined Carbon Steel - HK-ACRO-XL-ST
Product Description
Upgrading your optics-ready duty sidearm with an enclosed emitter red dot sight requires a rock-solid mechanical connection. Standard aluminum optics adapter plates can strip out under high-volume recoil stress, and loose tolerances lead to shifting zero boundaries. The **C&H Precision® HK 2020 VP9 V4 MIL / LEO to Aimpoint ACRO Steel Plate (HK-ACRO-XL-ST)** completely flatlines these staging weaknesses. It replaces thin aluminum adapters with a heavy-duty, professional-grade carbon steel interface tailored for demanding duty environments.
Proudly designed, machined, and surface-treated in the United States, this ultra-low-profile mounting adapter plate is CNC-cut from a single block of **1018 carbon steel billet**. This upgrade provides maximum thread engagement depth and total shear resistance under high-velocity slide cycling. Built specifically to match the **Heckler & Koch® 2020-up VP9 factory optics-ready slide layout**, the underside indexes precisely into the slide's milled pocket. The top surface mimics the proprietary **Aimpoint® ACRO cross-slot dovetail interface footprint**. This allows your enclosed red dot to clamp directly onto a rock-solid, steel-on-steel rail profile that won't warp or bend over time.
Finished with a highly durable, corrosion-resistant black nitride protective layer, this turnkey armorer asset ensures absolute red dot retention directly on your workbench.
*Armorer Bench Notes & Real-World Staging Guidance: The C&H Precision steel optics plate arrives complete with custom slide-mounting screws and a premium thread-locking compound. CRITICAL SLIDE INTERFACE FITMENT MATRIX: This V4 series mounting plate is designed natively and strictly to fit **2020 and newer Heckler & Koch VP9, VP9-B, and VP9 Tactical optics-ready factory slides**. Identification Tip: Verify your slide has the updated 2020 pattern (which uses direct slide indexing cuts rather than older rear-charging support pieces). Optics Footprint Compatibility: The upper mounting rail profile matches the **Aimpoint ACRO (P-1 / P-2)** footprint layout, and it also functions perfectly with alternative optics using the exact same ACRO mounting clamp standard, such as the **Steiner® MPS or Horizon Binary** enclosed emitters on your bench. Armorer Workbench Installation Sequence: 1. Visually and physically confirm your pistol is completely unloaded, clear of all live ammunition, and safe. 2. Clean the slide's optics pocket and internal thread rows using a fine nylon utility brush and a residue-free degreaser to strip away factory packing oils. 3. Place the C&H steel plate flat into the slide window, ensuring the underside alignment tabs drop into place without binding. 4. Apply a small drop of the included VC-3 thread locker to the short plate-mounting screws. 5. Using a calibrated torque wrench, hand-tighten the screws in a cross pattern to exactly **10 to 12 inch-pounds (in-lbs)**. *Armorer Warning Note:* Do not over-torque the slide screws or use high-rpm power drivers, as this can shear the tiny fasteners or strip out your factory slide paths. Allow the thread locker to cure fully for 24 hours before heading to the firing range downrange.*
Key Features
- Premium 1018 Carbon Steel Billet: Precision CNC-machined from ultra-strong carbon steel to prevent thread stripping and structural warping under heavy recoil.
- Ultra-Low-Profile V4 Design: Keeps the red dot optic sitting as low as possible to the slide axis, allowing for a natural point of aim and better backup iron sight co-witness.
- Rugged Black Nitride Finish: Treated with a hardwear-grade black nitride jacket that shields the steel from environmental moisture, body sweat, and chemical cleaning solvents.
- Proprietary Slide Indexing Tabs: Engineered with custom-fit alignment lugs on the bottom face to distribute recoil forces evenly away from the mounting screws.
- Aimpoint ACRO Mounting Rail: Features a precision cross-slot dovetail interface that locks down enclosed emitter sights securely.
- Complete Turnkey Hardware Package: Arrives with all required slide-specific fasteners and a fresh tube of thread-locking compound for immediate installation.
Product Specifications
- Brand: C&H Precision® / CHPWS (Richmond Hill, Georgia)
- Model Line: V4 MIL / LEO Series Precision Steel Optics Adapter Plates
- MPN/SKU Code: HK-ACRO-XL-ST (Also cataloged as HK-ACRO-ST)
- Slide Cut Pattern Fitment: Heckler & Koch® 2020+ Factory Optics-Ready VP9 / VP9-B Series Slides
- Optics Footprint Match: Aimpoint® ACRO P-1 / ACRO P-2 / Steiner® MPS Footprint Standards
- Plate Material Core: Premium CNC-Machined High-Tensile 1018 Structural Carbon Steel Billet
- Exterior Finish Dressing: High-Durability Corrosion-Resistant Professional Black Nitride Shield
- Fastener Mounting Torque Spec: 10 to 12 Inch-Pounds (Maximum torque threshold warning limits)
- Hardware Thread Sealant: Included Vibra-TITE® VC-3 Premium Thread-Locking Compound Pack
- Full Kit Component Checklist: Completed Steel Adapter Plate, 2x Custom Torx Slide Screws, Threadlocker Tube
- Packaging Format Class: Factory Retail Packaged Storage Pouch with Specification Label
- Product Type Category: Handgun Components / Pistol Optics Mounts & Adapter Plates
- Overall Body Silhouette Profile: Ultra-Thin Form-Fitting Steel Window Insert Shim Matrix
- Net Component Module Mass: ~0.65 Ounces (Lightweight Ultra-Rigid High-Strength Steel Core Weight)
- Country of Manufacture: Proudly Designed, Sourced, and CNC-Machined in the United States of America
- Warranty Tracking Protection: Fully Backed by C&H Precision Factory Materials Guarantee Support
