CORE Rifle Systems CORE 15 XV 5.56 NATO AR-15, 16-inch DI, Midwest Industries Free-Float, A.R.M.S. 71L Sights, Threaded Barrel
This CORE Rifle Systems CORE 15 XV is a 5.56 NATO AR-15 pattern rifle built around a 16-inch, threaded barrel and a direct-impingement system. It features a Midwest Industries free-float handguard with a continuous top rail, A.R.M.S. 71L flip-up sights, and an adjustable carbine stock. Marked with "C XV" and "MOD. CORE 15" on the lower and manufactured in Ocala, Florida, it comes in excellent condition with its original manual and a 30-round PMAG; no case included.
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: This rifle shows very little evidence of prior use. The bore is clean and shiny.
What’s Included
- Original case
- Original manual
- A.R.M.S. 71L flip-up front and rear sights (installed)
- Midwest Industries free-float handguard with full-length top rail (installed)
- Short bolt-on Picatinny rail sections (installed)
- Sling swivel stud (installed)
- 1x 30-round Magpul PMAG M2 MOE 5.56x45 polymer magazine
The lower receiver is marked "C XV" and "MOD. CORE 15," with the manufacturer rollmark "GOOD TIME OUTDOORS, INC., OCALA, FL USA." The receiver is marked "CAL. .223–5.56mm." These markings clearly identify the rifle as a U.S.-made CORE 15 XV model.
The upper receiver has a flat-top, T-marked Picatinny rail with T2–T46 positions visible, plus a forward assist, shell deflector, and ejection port cover. The Midwest Industries free-float aluminum handguard shows "Made in U.S.A." laser marking, elongated cooling slots, and a continuous top rail, with additional short bolt-on Picatinny rail sections installed.
The 16-inch barrel is threaded and fitted with a three-prong flash hider. This setup complements the direct-impingement action and AR-15 platform, chambered in 5.56mm NATO.
Furniture includes an adjustable carbine stock with an approximate 10.5–14 inch length of pull range and a Magpul MOE pistol grip. A.R.M.S. 71L-F front and 71L-R rear flip-up iron sights are installed, and the rifle uses standard 30-round magazines; one Magpul PMAG M2 MOE is included.