Heckler & Koch CLAMPING SLEEVE for HK416 – Part #50984199
Upgrade the reliability and performance of your HK416 with the genuine Heckler & Koch Clamping Sleeve. Engineered to factory specifications, this precision‑machined component ensures a rock‑solid connection between the upper and lower receivers, delivering consistent bolt lockup and enhanced shooting accuracy. Whether you’re a professional operator, competitive shooter, or tactical enthusiast, this clamping sleeve is the essential part that keeps your rifle operating at peak efficiency.
Key Benefits & Features
- Exact OEM Fit: Manufactured to Heckler & Koch’s original tolerances (Part #50984199) for a seamless installation.
- Maximum Strength: High‑strength steel construction provides superior clamping force, preventing unwanted movement during rapid fire.
- Corrosion‑Resistant Finish: Treated with a black phosphate coating to resist rust and wear in harsh environments.
- Lightweight Design: Optimized geometry maintains the rifle’s balance while adding minimal weight.
- Easy Installation: Compatible with standard HK416 assembly tools – no special equipment required.
- Enhanced Durability: Heat‑treated for long‑term resilience under sustained firing cycles.
- Improved Accuracy: Stabilizes the upper receiver, reducing flex and ensuring consistent barrel alignment.
Technical Specifications
| Manufacturer | Heckler & Koch |
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| Model | Clamping Sleeve |
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| Compatible Platform | HK416 (all standard variants) |
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| Part Number | 50984199 |
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| UPC | 642230249462 |
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| Material | High‑strength steel (heat‑treated) |
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| Finish | Black phosphate coating |
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| Weight | ≈ 45 g |
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| Dimensions | Custom‑cut to HK416 specifications |
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Why Choose the Genuine Heckler & Koch Clamping Sleeve?
When it comes to critical components, aftermarket parts can compromise performance and safety. The authentic HK clamping sleeve guarantees:
- Exact dimensional accuracy that matches the original design.
- Consistent torque distribution across the receiver interface.
- Compliance with military and law‑enforcement standards.
- Peace of mind knowing your rifle meets the strict quality controls of Heckler & Koch.
Installation Guide – Quick Overview
Follow these steps for a hassle‑free installation:
- Remove the existing upper receiver from the lower receiver.
- Insert the clamping sleeve into the lower receiver’s designated slot, ensuring the alignment marks are flush.
- Re‑attach the upper receiver, tightening the takedown pins to the recommended torque (typically 10‑12 Nm).
- Perform a function check: cycle the bolt, verify proper lockup, and confirm smooth operation.
Perfect for:
- Military and law‑enforcement personnel
- Professional security teams
- Competitive shooters seeking optimal reliability
- Tactical enthusiasts and firearm collectors
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Upgrade your HK416 with confidence – install the Heckler & Koch Clamping Sleeve today and experience the unmatched reliability of genuine OEM engineering.
