IWI Zion-15 5.56 NATO AR-15, 16 in 4150 CMV Nitride Heavy Barrel, Mid-Length Gas, 15 in Free-Float M-LOK, B5 Systems Furniture
The IWI Zion-15 (Z15TAC16) is a well-appointed AR-15 platform rifle built around a 16 in 4150 CMV nitride-treated heavy barrel with a mid-length gas system and 1:8 twist. It features a 15 in free-float M-LOK aluminum handguard with a full-length top rail, B5 Systems adjustable carbine stock and pistol grip, and an IWI-marked bolt carrier group. This example is in excellent condition and includes a Magpul PMAG Gen M3 windowed 30-round magazine and an installed M-LOK QD sling mount.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: The firearm functions properly.
What’s Included
- IWI factory cardboard box with Z15TAC16 label
- Magpul PMAG Gen M3 30-round windowed polymer magazine
- M-LOK QD sling mount installed on handguard
The receiver is rollmarked "MODEL: Z-15" with the IWI logo and selector pictographs marked "SAFE"/"SEMI." It uses a flat-top upper with a full-length Picatinny rail, plus a forward assist and ejection-port dust cover. Ejection is to the right side. The IWI-marked bolt carrier group is present.
The 16 in heavy-profile barrel is made from 4150 CMV steel, nitride treated, and paired with a mid-length gas system. It has a 1:8 twist rate and is threaded 1/2x28 with an A2-style flash hider installed.
The rifle features a 15 in free-float aluminum M-LOK handguard with a continuous top rail and IWI logo. Furniture includes a B5 Systems adjustable carbine stock and B5 Systems pistol grip. A manual safety selector is fitted, and the rifle accepts STANAG AR-15 magazines.
Catalog model is Z15TAC16. Packaging notes "Made in Israel & USA — Assembled in USA." Markings include "IWI US, INC MIDDLETOWN, PA." Approximate overall length is 33–36.25 in, and weight is about 6.9 lb without a magazine. Capacity is 30+1 in 5.56 NATO.