.223/5.56 Bolt/Carrier, Phosphate Finish
$134.96 at OpticsPlanet · 6 stores
In stock Sale
Spikes Tactical Bolt 5.56 Spikes HPT/MPI Bolt Assembly - Phosphate
Spikes Tactical · Bolt Carrier Group
No ratings yetBest price
$80.96at OpticsPlanet
Out of stock Sale checked Oct 21, 2026
In stock now instead
- .223/5.56 Bolt/Carrier, Phosphate Finish $134.96at OpticsPlanet
- Brn-4/Hk416 Bolt Assembly $79.99at Brownells
- Tacfire AR15 5.56 NATO Bolt Carrier Group Black $79.99at GunMag Warehouse
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $80.96Salechecked Oct 21, 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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Price history
Dashed line = out of stock. Tracking since Oct 19, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $80.96 | $80.96 | $80.96 |
Since Oct 19, 2026.
About this part
The Spikes Tactical Bolt 5.56 Spikes HPT/MPI Bolt Assembly - Phosphate is a 5.56 / .223 bolt carrier group from Spikes Tactical. One store lists it, OpticsPlanet at $80.96.
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Specifications
- Manufacturer
- Spikes Tactical
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
- Finish
- Phosphate
- Material
- Steel
From the manufacturer
Spikes Tactical Bolt 5.56 Spikes HPT/MPI Bolt Assembly - Phosphate. Whether you need a spare bolt or are looking to upgrade an existing rifle look no further than these Bolt Carrier Groups available with a Black Nitrite or Nickel Boron finish. This is the same bolt Spikes Tactical uses in their builds. Specifications for Spikes Tactical 5.56 HPT/MPI Bolt Assembly: Manufacturer: Spikes Tactical Caliber: 5.56x45mm NATO Condition: New Country of Origin: USA Features of Spikes Tactical 5.56 HPT/MPI Bolt Assembly: Mil Spec Bolt: Phosphate Finish 158 Carpenter Steel Shot Peened High Pressure Tested (HPT) Magnetic Particle Inspected (MPI) Mil-Spec Extractor 8620 Tool Steel Phosphate Finish Extractor Spring Black Extractor Insert Viton O-Ring Package Contents: Spikes Tactical 5.56 HPT/MPI Bolt Assembly Spikes Tactical ST5B500: Bolt 5.56 Spikes HPT/MPI Bolt Assembly - Phosphate
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