MAC 5K 9mm MP5K-Pattern Pistol – Roller-Delayed, 5.8 in Threaded/Tri-Lug Barrel, HK-Style Diopter Sights, 2x 30rd + 10rd Mags
The Military Armament Corporation (MAC) 5K is a recent-release, MP5K-pattern semi-automatic 9mm pistol built on a stamped-and-welded steel receiver with a roller-delayed blowback operating system. It stands out with a 5.8 inch barrel featuring both HK tri-lug and 1/2x28 threads, HK-style diopter sights, a left-side charging handle, and a polymer SEF-pattern grip. This example includes two 30-round magazines and one 10-round magazine, plus a detachable slotted muzzle device and hard case.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Light handling and use marks are present; see photos for close-ups.
What’s Included
- 2x 30-round magazines
- 1x 10-round magazine
- Detachable slotted muzzle device (separate from firearm)
- Hard case (black)
- Owner's manual
The MAC 5K follows the compact MP5K-style format with a stamped-and-welded steel receiver and a roller-delayed blowback action. The build delivers the familiar handling profile, aided by the polymer SEF-pattern grip frame and a manual safety. A left-side charging handle provides the expected manual of arms for this pattern.
Its 5.8 inch barrel is configured with an HK tri-lug interface in addition to 1/2x28 threads, offering broad muzzle-device compatibility. The pistol ships with a detachable slotted muzzle device provided separately. Sighting is through HK-style diopter sights with a hooded front post and a rotating rear drum.
Markings include Military Armament Corp Knoxville, TN, the MAC shield logo, MERTSAV TURKEY, Cal. 9x19.MM., and Made in TURKEY. The top cover is marked "MAC 5K MERTSAV TURKEY." The rear endcap block is marked "SB TAC" and features a sling slot; no stock or brace is attached.
Approximate overall length is 13.7–14 inches with a weight just under 4.5 lb. Capacity is 30+1 rounds, and this pistol includes two 30-round curved steel HK-pattern magazines plus one 10-round magazine. MSRP is $1,099.99.