M4A1 Socom Block II 5.56 Stripped Upper 14.5" Bbl
$899.99 at Brownells
In stock
JAKL Rifle Upper 13.7" 5.56 NATO 1:7 Nitride w/ Knurled CH, BCG, Partial Picatinny Lower HG, Black
Palmetto State Armory · Upper Receiver
No ratings yetBest price
$879.99at Palmetto State Armory
checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Palmetto State Armory | $879.99checked 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
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Palmetto State Armory | $879.99 | $835.99 | $879.99 |
Since Sep 28, 2026.
About this part
The JAKL Rifle Upper 13.7" 5.56 NATO 1:7 Nitride w/ Knurled CH, BCG, Partial Picatinny Lower HG, Black is a 13.7" 5.56 / .223 upper receiver from Palmetto State Armory. One store lists it, Palmetto State Armory at $879.99.
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
- 13.7" · Handguards
Specifications
- Manufacturer
- Palmetto State Armory
- Color
- Black
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
From the manufacturer
JAKL Rifle Upper 13.7" 5.56 NATO 1:7 Nitride w/ Knurled CH, BCG, Partial Picatinny Lower HG, Black
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