Recoil x HK Parts: MAC 5 Buildout Breakdown

Our friends over at Recoil Magazine recently took a closer look at the MAC 5 from Military Arms Corporation. Their blog walks through the firearm’s development history, showing how it evolved from classic MP5 roots into a more modernized platform. The article details how the monolithic upper, modular design, and updated manufacturing processes differentiate the MAC 5 from other clones on the market. They also cover aftermarket customization, including optics mounting, trigger upgrades, and brace options, finishing with hands-on feedback from range testing. If you want the full story, you can check out their full writeup below.

Read Their Full Article Here

HKP's Preferred MAC 5 Build

If you're looking to throw your own MAC 5 together and skip the guesswork, here's the loadout we’d go with. It’s clean, proven, and doesn’t involve any “Frankenstein and hope” fitment experiments. Almost every part below is linked and in-stock at HK Parts.

MAC 5

Midwest Industries MP5 Suppressor Handguard (In Stock)

Midwest Industries MP5 Picatinny Claw Mount (In Stock)

JMAC Customs 1913 Adapter (In Stock)

JMAC Arm Brace

SB Tactical SBA3 Brace (In Stock)

Timney Triggers MP5 Trigger (In Stock)

Magpul MP5 Safety (In Stock)

Shadow Systems HS923 Suppressor with Tri-Lug Mount

StreamLight ProTac 2.0

This setup gives you modular flexibility, modern ergonomics, and the kind of compatibility that doesn’t make you want to scream into a parts bin. Whether you're cloning Recoil’s version or putting your own spin on it, we've got you covered with fast shipping and zero BS.