Andro Corp Industries AR-15 Complete M-LOK Upper Receiver with Flash Hider Assembly 5.56 NATO 18.75in 10.3in Barrel Govt Carbine Length 1-7 Twist
$379.99 at MidwayUSA · 3 stores
In stock
DoubleStar DS-4 AR-15/M4 Flattop Upper Heavy Match Barrel 16 inch 5.56/.223 1-9 Twist A1 Muzzle Device Black
No ratings yetBest price
$377.99at OpticsPlanet
Out of stock Sale checked Oct 22, 2026
In stock now instead
- Andro Corp Industries AR-15 Complete M-LOK Upper Receiver with … $379.99at MidwayUSA
- DPMS M-LOK 5.56x45mm NATO 16 inch Upper Receiver $371.88at OpticsPlanet
- DPMS "Kitty Kat" 7.5" 5.56 6.5" Quad-Rail Upper $385.00at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $377.99Salechecked Oct 22, 2026 | Out of stock | Buy at OpticsPlanet |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
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This part is out of stock at every store we track. These similar upper receivers are in stock, with today's prices.
DPMS M-LOK 5.56x45mm NATO 16 inch Upper Receiver
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ABC RIFLE COMPANY AR-15 Micro Pistol Build 5.56x45mm NATO 5in Barrel 4in M-LOK Handguard Upper Receiver Black
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Moriarti AR-15 5.56/.223 Stainless Steel Diamond Fluted Tactical Upper Assembly Black 20in
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Price history
Dashed line = out of stock. Tracking since Oct 14, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $377.99 | $377.99 | $377.99 |
Since Oct 14, 2026.
About this part
The DoubleStar DS-4 AR-15/M4 Flattop Upper Heavy Match Barrel 16 inch 5.56/.223 1-9 Twist A1 Muzzle Device Black is a 16" 5.56 / .223 upper receiver from Double Star. One store lists it, OpticsPlanet at $377.99.
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Barrel length
- 16" · Handguards
Specifications
- Manufacturer
- Double Star
- Color
- Black
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
From the manufacturer
DoubleStar DS-4 AR-15/M4 Flattop Upper Heavy Match Barrel 16 inch 5.56/.223 1-9 Twist A1 Muzzle Device Black. 5.56 Nato 1.9 twist M4 Feed Ramps Forged upper Specifications for DoubleStar DS-4 AR-15/M4 Flattop 16" Upper Receiver: Manufacturer: DoubleStar Caliber: 5.56x45mm NATO .223 Remington Overall Length: 16 in Barrel Length: 16 in Barrel Profile: M4 Barrel Twist Rate: 1-9 Muzzle Device: A1 Finish: Anodized Color: Black Gun Model: M4 AR-15 Fabric/Material: 7075-T6 Aluminum Gun Make: AR Platform Barrel Material: 4140 Chrome Moly Vanadium Magazine Included: No Package Contents: DoubleStar DS-4 AR-15/M4 Flattop 16" Upper Receiver The DoubleStar DS-4 AR-15/M4 Flattop 16" Upper Receiver is a quality addition to the DoubleStar lineup. For more great deals on AR15 Upper Receivers by DoubleStar please browse our Doublestar Gun Parts page. What firearm models does the manufacturer say DoubleStar DS-4 AR-15/M4 Flattop 16" Upper Receiver is compatible with? The manufacturer says that DoubleStar DS-4 AR-15/M4 Flattop 16" Upper Receiver is compatible with AR-15 M4DoubleStar ARBU404: DS-4 AR-15/M4 Flattop Upper Heavy Match Barrel 16 inch 5.56/.223 1-9 Twist A1 Muzzle Device Black
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