Heckler & Koch (HK USA) HK51001919 MR762A4 Upper Kit 13″ (Includes Bolt & Buffer, M-LOK) — 2 Pack

Description

Product Overview: Heckler and Koch (HK USA) HK51001919 MR762A4 Upper Kit (13″) is listed in Accessories > UPPER RECEIVERS. The product is sold as a pack of 2 and verified attributes note the inclusion of a bolt and buffer and an M‑LOK handguard (source_fact_ids: [“product-274536:f002″,”product-274536:f003″,”product-274536:f004″,”product-274536:f005″,”product-274536:f009″,”product-274536:f010″,”product-274536:f013″,”product-274536:f008”]).

Why This Product

• Kit configuration verified: The listing explicitly records that the upper kit includes a bolt and buffer — important when planning assemblies or specifying replacement upper components (source_fact_ids: [“product-274536:f009”]).
• Handguard interface: M‑LOK handguard is specified as the handguard type included with the upper kit (source_fact_ids: [“product-274536:f010”]).
• Pack quantity: Supplied as a 2‑pack, relevant for ordering multiples for fleet or shop inventory (source_fact_ids: [“product-274536:f008″,”product-274536:f011”]).

Key Verified Specifications

• Manufacturer / Brand: Heckler and Koch (HK USA) (source_fact_ids: [“product-274536:f002″,”product-274536:f006″,”product-274536:f007”]).
• Category: Accessories; Accessory; UPPER RECEIVERS (source_fact_ids: [“product-274536:f003″,”product-274536:f004″,”product-274536:f005”]).
• Includes: Bolt and Buffer (source_fact_ids: [“product-274536:f009”]).
• Handguard Type: M‑LOK Handguard (source_fact_ids: [“product-274536:f010”]).
• SKU: HK51001919 (source_fact_ids: [“product-274536:f013”]).
• Package Quantity: 2 (source_fact_ids: [“product-274536:f008″,”product-274536:f011”]).
• Availability status: instock (source_fact_ids: [“product-274536:f014”]).

Appropriate Use Cases

• Procurement of replacement or spare MR762A4-style upper kits with M‑LOK handguards for fleet maintenance, armorer shops, or build projects (source_fact_ids: [“product-274536:f003″,”product-274536:f010”]).
• Ordering multiple upper kits at once for assembly or bundling since the item ships as a 2‑pack (source_fact_ids: [“product-274536:f008”]).

What Customers Should Know

• Confirm the 13″ MR762A4 designation, included bolt and buffer, and M‑LOK handguard match your technical and compatibility requirements before purchase (source_fact_ids: [“product-274536:f001″,”product-274536:f009″,”product-274536:f010”]).
• Package Qty is 2 — verify ordering, receiving, and inventory procedures for 2‑pack kit shipments (source_fact_ids: [“product-274536:f008″,”product-274536:f011”]).