AR-15 Bolt Assembly 5.56mm
$60.99 at GunMag Warehouse · 7 stores
In stock
Best price
$49.30at Brownells
Out of stock checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $49.30checked Oct 1, 2026 | Out of stock | Buy at Brownells |
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 |
|---|---|---|---|
| Brownells | $49.30 | $49.30 | $49.30 |
Since Sep 28, 2026.
About this part
The MP Brn AR-15/M16 5.56mm Bolt Assembly, Mpi, Nitride is a 5.56 / .223 bolt carrier group from Brownells. One store lists it, Brownells at $49.30.
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
- Brownells
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
- Finish
- Nitride
- Material
- Steel
From the manufacturer
The Brownells M16 5.56 Complete 9310 Bolt Assembly is built to withstand heavy-duty use in both semi-auto AR-15s and full-auto M16 rifles and features construction and testing that ensures high-quality performance. The Brownells M16 5.56 Bolt Assembly is constructed entirely from 9310 steel, which is designed to provide the elements needed to perform during rugged duty use. Material quality checked with magnetic-particle inspection Extractor includes spring and rubber insert Optimized for use with all 5.56-NATO-based cases The Brownells M16 5.56 Bolt Assembly includes bolt, gas rings, extractor and ejector installed. Mfg: Brownells
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