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17.1” SS 223 Wylde Ar15 Upper with 15” mlok rail – flat spiral flute

Original price was: $549.00.Current price is: $389.00.

-29%

Upgrade your AR-15 with a 17.1″ Stainless 223 Wylde Upper featuring a flat spiral fluted barrel, 15″ M-LOK freefloat handguard, mid-length gas system, and milspec  receiver. Precision-built and ready to perform.

Complete your upper

Add a bolt carrier group and charging handle to complete your upper.

Style *

(+$59.99)

Charging Handle Options

(+$15.00)
(+$25.00 $19.99)
cheap ambi charging handle
(+$19.99)
(+$75.00)
(+$125.00 $99.00)
(+$79.99)
(+$94.95)
(+$79.95)
(+$45.00)
(+$79.95)
(+$45.00)
(+$45.00)
(+$79.99)
(+$45.00)
(+$79.99)
(+$79.99)

Gas blocking charging handle

Customize your upper

Gas Block Options

(+$89.99)

Pin/Weld Muzzle Device?

Handguard Options

(+$35.00)
(+$35.00)
(+$35.00)
(+$25.00)

Custom Dust Cover Engraving

Foregrip Options

(+$23.00 $21.00)
(+$33.00)
(+$33.00)
(+$23.00 $21.00)

Sights / Optics

(+$25.00)
(+$125.00)
(+$149.00)
(+$577.00 $499.00)
(+$249.00 $179.00)
(+$211.00 $159.00)

Light Options

Arisaka 300 Series with Malkoff E1HT Head and Momentary Tailcap
Arisaka 300 Series with Malkoff E1HT Head and Momentary Tailcap $185.00

Folding Adapter

(+$199.00)

Silencer Use?

Do you plan to use a silencer?

Make sure the threads clear the rail, contact me if any issue.

Make sure barrel threads clear rail, and leave muzzle device loose.

We will build as designed and tighten muzzle device.

Tools / Extras

(+$8.00)
(+$9.99)
(+$9.99)
(+$5.99)
(+$3.99)
Product price: $389.00
Order total:
Free shipping on all orders over $350
17.1” SS 223 Wylde Ar15 Upper with 15” mlok rail - flat spiral flute
17.1” SS 223 Wylde Ar15 Upper with 15” mlok rail - flat spiral flute $549.00 Original price was: $549.00.$389.00Current price is: $389.00.

Upgrade the top half of your AR-15 with this premium 17.1″ Stainless Steel 223 Wylde Upper Receiver. Built for performance and durability, this upper features a flat spiral fluted barrel chambered in .223 Wylde (compatible with both 5.56 NATO and .223 Remington). Perfect for accuracy and reliability in your next build.

Pair this upper with our AR-15 Lower Build Kits for a complete rifle.

FEATURES:

  • 17.1″ Stainless Steel 223 Wylde 1:8 twist barrel
  • Shoots both 5.56 NATO and .223 Remington
  • 1:8 twist rate for excellent accuracy with a wide range of bullet weights
  • 1/2×28 threaded muzzle with A2 flash hider
  • 15″ M-LOK freefloat handguard
  • Mid-length gas system for smoother cycling
  • 7075-T6 mil-spec anodized black upper receiver
  • Includes dust cover and forward assist

QUALITY ASSEMBLY

All uppers are professionally assembled, torqued, and also tested if ordered with a BCG. Moly grease is applied to critical contact points to ensure long-lasting performance. Loctite is applied to gas block screws. Barrels are dimpled for proper gas block alignment and secure installation.

WHY BUY FROM MIDSTATE FIREARMS?

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Additional information

Weight 4 lbs
Dimensions 36 × 4 × 4 in