Description
5D Tactical – Split REAR Rail Upgrade for Polymer80™ (P80™)
The 5D Tactical – Split REAR Rail Upgrade is a modular accessory kit designed to add a split Picatinny (MIL-STD-1913) rail to the rear of Polymer80 frames, such as the PF940V2 or PF940CV1 models. Manufactured by 5D Tactical, a specialist in CNC-machined firearm components, this upgrade attaches to the frame’s backstrap or dust cover area, enabling the mounting of rear-facing accessories like weapon lights, laser sights, or thumb rests.
The “split” design means the rail is divided into sections, allowing flexible positioning and reducing bulk. It’s crafted from durable aluminum, anodized for corrosion resistance, and is compatible with standard Polymer80 frames. Priced around $40–$60, this upgrade is a cost-effective way to customize P80 builds, turning a basic frame into a versatile platform without permanent alterations.
Key Components
- Split Rail Sections: 1–2 inch Picatinny rails, split for adjustable mounting on the rear.
- Mounting Hardware: Screws, nuts, and plates for secure, tool-less or minimal-tool attachment.
- Compatibility: Fits Polymer80 frames like PF940V2 (full-size) and PF940CV1 (compact); may require fitting for other variants.
- Material: 6061-T6 aluminum, lightweight and strong, with black anodized finish.
- Design: Modular and reversible, preserving the frame’s original look if removed.
This upgrade is ideal for builders seeking rear-mounted accessories for improved control or illumination.
The History and Reputation of 5D Tactical and Polymer80 Upgrades
5D Tactical, established in the mid-2010s, focuses on precision CNC components for firearms, including 80% lowers and accessories. They collaborated with Polymer80 to develop rail upgrades, addressing the need for modular enhancements in polymer frames. The split rear rail emerged as a user-driven innovation, allowing rear accessory integration without compromising frame integrity.
Polymer80, since 2015, has fostered a community of customizable builds, and 5D Tactical’s upgrades complement this by adding versatility. Reviews on forums like AR15.com, Reddit, and GlockTalk commend 5D’s quality, with users noting enhanced pistol handling. The brand has adapted to regulations, maintaining a reputation for reliable, innovative products.
Why Choose the 5D Tactical – Split REAR Rail Upgrade for Polymer80™ (P80™)?
Advantages
- Modular Rear Mounting: Adds Picatinny rails for lights, lasers, or grips at the back, improving ergonomics.
- Precision Fit: CNC-machined for seamless integration with P80 frames.
- Durability: Aluminum construction with anodized finish for long-term use.
- Ease of Installation: Minimal tools needed; reversible for flexibility.
- Cost-Effective: Affordable enhancement for custom builds, boosting functionality.
Considerations
- Compatibility: Designed for specific P80 frames; check fit for others.
- Skill Level: Basic assembly required; not for complete novices.
- Weight Addition: Rails add slight mass, potentially affecting balance.
Builders choose this for tactical pistols, with testimonials highlighting better accessory options.
Legality and Safety Considerations
Legality: In the U.S., rail upgrades are legal for completed firearms. No special permits needed. Internationally, check local laws.
Safety: Install securely to prevent detachment. Test builds; improper mounting can affect function. 5D Tactical provides guides; wear PPE.
Step-by-Step Guide to Installing the 5D Tactical Split Rear Rail on a Polymer80 Frame
- Gather Supplies: Frame, rail kit, screwdriver, and safety gear.
- Prepare Frame: Clean the rear area; ensure frame is assembled if needed.
- Position Rails: Align split sections on the backstrap or dust cover.
- Secure Hardware: Use screws and nuts to attach; tighten evenly.
- Test Fit: Attach accessories; check for stability and clearance.
- Finalize: Reassemble pistol; test function and ergonomics.
Time: 20–40 minutes. Resources: 5D Tactical videos or manuals.
Pros and Cons of the 5D Tactical – Split REAR Rail Upgrade for Polymer80™ (P80™)
Pros
- Enables rear accessory mounting for better control.
- Precise CNC fit for P80 frames.
- Durable and easy to install.
- Affordable and reversible.
- Enhances pistol versatility.
Cons
- Specific to Polymer80 frames.
- Adds minor weight.
- Requires basic tools.
Frequently Asked Questions (FAQs)
- What frames does it fit? Polymer80 like PF940V2 and PF940CV1.
- Is it legal? Yes for completed pistols.
- Included? Rails and hardware.
- How to install? Follow guides; minimal tools.
- Where to buy? 5Dtacticals.com.
Final Thoughts on the 5D Tactical – Split REAR Rail Upgrade for Polymer80™ (P80™)
The 5D Tactical split rear rail upgrade is a smart addition for Polymer80 frames, adding rear-mounted versatility to Glock builds. Build responsibly!
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