Military Armament Corp. MAC 5K 9 mm Compact Roller-Delayed Pistol with Tri-Lug Threaded Barrel
The MAC 5K delivers authentic MP5K ergonomics at a price point below $1.3 k while retaining full parts compatibility. Turkish manufacture by MERTSAV gives it modern production quality, and Military Armament Corp.’s Knoxville import marks assure straightforward service and support for U.S. owners. A factory-installed tri-lug, 1/2-28 TPI threaded barrel, and top optics rail make this compact 9 mm an out-of-the-box suppressor-ready host.
Condition
Overall Condition: As-new – no signs of handling beyond routine inspection.
Bore Condition: Excellent – clean, mirror finish, no signs of wear.
Rifling Condition: Excellent – sharp lands and grooves.
Specific Condition Notes: A few minor, superficial scratches and small blemishes are present but do not affect function or appearance under normal lighting.
What’s Included
- MAC hard plastic fitted case with dagger-shield logo
- Factory tri-lug flash hider
- Black nylon sling with quick-detach clip
- MAC cleaning kit in black tubular container
- Clear oil bottle with black cap
- MAC 5K owner’s manual
- Two 30-round steel MAC 9 mm magazines
Built on a stamped steel receiver finished in black lacquer over phosphate, the MAC 5K mirrors the original MP5K profile while keeping weight and size manageable for personal-defense or range roles. The polymer lower houses ambidextrous paddle and push-button magazine releases plus a three-position pictograph selector that visually nods to the iconic HK burst markings while remaining semi-automatic only.
The 5.8-inch button-rifled barrel features a fluted chamber for reliable extraction, a durable phosphate finish, and both tri-lug and conventional 1/2-28 TPI threads. This dual-interface design streamlines mounting of modern suppressors, brakes, or flash hiders without adapters.
Standard HK-pattern hooded post front and rotary diopter rear sights offer precise elevation and range adjustments, and the integral top rail accepts popular red-dot optics without gunsmithing. A compact polymer stub fore-end provides a stable support-hand index while maintaining the pistol’s discreet footprint.
Roller-delayed blowback action delivers the soft recoil and flat shooting characteristics enthusiasts expect from the MP5 lineage. The included pair of 30-round magazines, sling, and case give buyers a truly ready-to-run package straight from the box.