AR-15 5.56 NATO 16" Nitride Bolt Action Style Complete Upper

Engineered for shooters who want the familiar precision and feel of a bolt action while staying on the AR-15 platform, this 16" Complete Upper blends rugged billet construction with modern finishes and reliable 5.56 NATO performance. Built around an M4-contour 16" barrel finished in durable black nitride, this upper delivers consistent accuracy, corrosion resistance, and a smooth bolt-action style charging experience — perfect for range days, precision practice, or a deliberate, mechanical feel for training and competition.

✅ Free shipping (fast, insured)

✅ Caliber: 5.56 NATO
✅ Barrel Length: 16" — M4 contour for a balance of weight, heat dissipation, and handling
✅ Barrel Finish: Black Nitride — enhanced wear and corrosion resistance, easier maintenance
✅ Twist Rate: 1:7 — stabilizes heavier 62–77 gr match and barrier-penetrating projectiles
✅ Thread Pitch: 1/2 x 28 — compatible with common muzzle devices and suppressor adapters
✅ Feed Ramp: M4 — reliable feeding with standard 5.56 magazines
✅ Charging Style: Bolt-Action Style — crisp, mechanical charging for controlled single-cycle operation and a bolt-action feel while retaining AR modularity
✅ Platform Compatibility: AR-15 — mates to standard AR-15 lowers (mil-spec dimensions)
✅ Receiver Material: Billet — precise machining, excellent strength and aesthetics
✅ Weight: ~5.0 lbs — robust yet balanced for modern builds

Key benefits:
✅ Precision & Control — bolt-action style charging provides a deliberate, tactile cycle that many shooters prefer for precision drills and deliberate follow-up shots.
✅ Durable Finish — black nitride barrel and nitride-treated components resist corrosion and abrasion for long service life with minimal upkeep.
✅ Versatile Performance — 1:7 twist and M4 profile handle a wide range of 5.56 loads from light supersonic to heavier match rounds.
✅ Quality Construction — billet receiver and quality machining deliver tight tolerances and a premium look/feel compared with cast or forged alternatives.
✅ Easy Integration — drops into AR-15 lowers using standard fitment practices; pairs with your chosen handguard, BCG (if not included), and accessories for a custom build.

What’s included / notes (confirm contents with seller):
✅ Complete upper assembly (bolts, charging handle style varies per listing)
✅ Ready for installation on standard AR-15 lowers
✅ May require your chosen BCG or muzzle device depending on listing — check product options

Who this is for:
✅ Shooters who want the mechanical feel of a bolt action while retaining AR-15 modularity.
✅ Builders seeking a durable, attractive billet upper with a nitride barrel for reliability in tough conditions.
✅ Competitors and precision shooters who prefer deliberate cycling and excellent bullet stabilization with the 1:7 twist.