M4A1 Socom Block II 5.56 Stripped Upper 14.5" Bbl
$899.99 at Brownells
In stock
Spikes Tactical 16" Classic Upper 5.56x45mm/.223 Remington 1:7 Quad Rail Mid-Length, Black
Spikes Tactical · Upper Receiver
No ratings yetBest price
$905.40at Ammunition Depot
In stock checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Ammunition Depot Best price | $905.40checked Oct 1, 2026 | In stock | Buy at Ammunition Depot | |
| GunMag Warehouse | $905.99checked Oct 1, 2026 | In stock | Buy at GunMag Warehouse | |
| Palmetto State Armory | $797.99checked Oct 1, 2026 | Check store | Buy at Palmetto State Armory |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Price history
Lowest in-stock price in the last 30 days: $905.40 at Ammunition Depot. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | $905.40 | $905.40 | $905.40 |
| GunMag Warehouse | $905.99 | $905.99 | $905.99 |
| Palmetto State Armory | $797.99 | $797.99 | $797.99 |
Since Sep 28, 2026.
About this part
The Spikes Tactical 16" Classic Upper 5.56x45mm/.223 Remington 1:7 Quad Rail Mid-Length, Black is a 16" 5.56 / .223 upper receiver from Spikes Tactical. It's sold by 3 stores (2 in stock), from $797.99 to $905.99. The lowest in-stock price in the last 30 days was $905.40 at Ammunition Depot.
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Gas system
- Mid-length · Handguards
- Barrel length
- 16" · Handguards
Specifications
- Manufacturer
- Spikes Tactical
- Color
- Black
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
From the manufacturer
Spikes Tactical 16" Classic Upper 5.56x45mm/.223 Remington 1:7 Quad Rail Mid-Length, Black
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