Description
You’re staring down a hefty price tag of $4699.99 for a firearm kit. Is it just a collector’s piece, or is there real-world value packed into that explorer case? Let’s break down the practical bang-for-buck of the HK 70th Anniversary Kit 1 of 70 MR556A1 & HK45, Red Battle Worn Cerakote, Explorer Case.
What is it? This is an extremely limited, factory-produced collector’s kit from Heckler & Koch celebrating their 70th anniversary. It bundles a custom MR556A1 rifle (HK’s civilian-legal 5.56mm AR platform) and a matching HK45 pistol, both finished in a unique “Red Battle Worn” Cerakote. The set is numbered 1 of 70 and comes in a fitted explorer-style case. FFL transfer required for firearm purchases.
Key Features & Practical Value
Look, the immediate draw is the exclusivity. Only 70 exist. The red Cerakote with intentional wear marks is a bold, non-standard finish you won’t find on a shelf. But beyond the looks, you’re getting two of HK’s most respected modern platforms. The MR556A1 is the pinnacle of the piston-driven AR-15 world, known for relentless reliability. It uses a proprietary piston system that runs cleaner and cooler than direct impingement. The included HK45 is a .45 ACP powerhouse, often praised for its ergonomic grip and soft-shooting recoil system. Together, they represent a top-tier two-gun solution from one manufacturer.
Here’s the thing—this isn’t just a safe queen. The MR556A1 is built to military specifications and is fully compatible with a vast array of standard AR-15 parts and accessories. Want to swap the handguard? Many mil-spec options will fit. The HK45 uses a 10-round magazine capacity, which is standard for the model. The included explorer case is a serious piece of kit, designed for secure transport and storage of both firearms and accessories. At a combined weight of roughly 15 pounds for the loaded case, it’s substantial.
Specifications & Details
| Rifle Model | HK MR556A1 70th Anniversary Edition |
| Pistol Model | HK HK45 70th Anniversary Edition |
| Caliber | 5.56x45mm NATO & .45 ACP |
| Finish | Red Battle Worn Cerakote |
| Magazine Capacity | MR556A1: 30-round, HK45: 10-round |
| Included | Both firearms, explorer case, magazines, paperwork |
Pros & Cons: The Trade-Offs
Pros: Unmatched exclusivity and collectibility. You get two supremely reliable, high-end firearms in one purchase. The piston-driven MR556A1 offers a tangible performance benefit in durability. The custom finish is a true conversation piece. It’s a complete, ready-to-shoot kit—no gunsmithing required.
Cons: The price is the biggest hurdle. At $4699.99, it’s a major investment. The red finish, while cool, isn’t for everyone or every environment. As a collector’s item, you might hesitate to use it hard, which negates the practical engineering. You could buy a standard MR556A1 and HK45 separately for less, albeit without the limited-edition flair.
Who This Kit Is Really For
This is for the dedicated HK enthusiast or collector who views firearms as both tools and artifacts. It’s for someone who already has practical rifles and pistols and is looking for a centerpiece for their collection. It’s also for the shooter who demands top-tier reliability and is willing to pay a premium for it, wrapped in a unique package. This kit is available at firearms-missouri.com for Missouri residents and nationwide.
Frequently Asked Questions
Q: Is the MR556A1 in this kit different from a standard one?
A: Mechanically, it is identical to the standard MR556A1, meaning it shares all its performance and reliability traits. The difference is solely the limited-edition serialization and the unique Red Battle Worn Cerakote finish applied at the factory.
Q: Can I mount my own optics and accessories on the MR556A1?
A: Absolutely. The rifle features a standard Picatinny rail on the upper receiver, compatible with virtually all red dot sights, scopes, and magnifiers from brands like Aimpoint, Trijicon, and Vortex. The handguard also has rail sections for lights, lasers, or foregrips.
Q: What’s the real value if I just want to shoot?
A: The value is in getting two proven, high-end firearms that are drop-in ready from a single purchase. You avoid the research and assembly time. However, if pure shooting performance per dollar is the only goal, buying used or standard models separately would be more budget-conscious.
If this unique piece of firearms history aligns with your collecting goals or demand for top-shelf reliability, you can find more details on our product page.
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