Heckler & Koch HK51001892 MR762A4 Upper Kit (7.62mm, 16″)

Description

Product Overview

The Heckler & Koch HK51001892 is listed as an MR762A4 upper receiver kit in 7.62mm with a 16″ barrel. Verified attributes include an M-LOK handguard and that the kit includes bolt and buffer. Package quantity is 7. SKU: HK51001892.

Why This Product

Source facts indicate this is an HK USA MR762A4 upper receiver kit for 7.62mm with a 16″ barrel and M-LOK handguard. The listing also specifies that bolt and buffer are included — facts that matter to buyers sourcing complete upper kits or replacement components.

Key Verified Specifications

• Brand / Manufacturer: Heckler and Koch (HK USA) (source: taxonomy/attribute/metadata)
• Model / SKU: HK51001892 (source: woocommerce_identifier)
• Product type / Category: UPPER RECEIVERS / Accessories (source: product_cat)
• Caliber: 7.62mm (from existing full title)
• Barrel length: 16″ (from existing full title)
• Features: Includes bolt and buffer, M-LOK handguard (source: attributes)
• Package quantity: 7 (source: metadata)

Appropriate Use Cases

• Ordering upper receiver kits to outfit multiple rifles or for dealer stocking where a 7.62mm MR762A4 upper is required (package qty 7 supports larger replenishment) (source_fact_ids: [“product-267987:f008″,”product-267987:f014”]).
• Specifying an upper kit that includes bolt and buffer to reduce parts sourcing steps when assembling or replacing uppers (source_fact_ids: [“product-267987:f009”]).

What Customers Should Know

• Confirm SKU HK51001892 and that the 7.62mm / 16″ MR762A4 upper configuration matches your parts and receiver requirements (source_fact_ids: [“product-267987:f013″,”product-267987:f001”]).
• Package quantity is 7; coordinate receiving, inspection, and inventory procedures accordingly (source_fact_ids: [“product-267987:f008″,”product-267987:f011”]).
• Source facts confirm bolt and buffer are included but do not provide upper-to-lower receiver fitment details, gas system length, or material/finish specifications — verify compatibility with your lower receiver and parts list before purchasing (source_fact_ids: [“product-267987:f009″,”product-267987:f010”]).