Battle Arms Bolt Carrier Group, 9mm, Nitride Finish, Black
$169.99 at GunMag Warehouse · 5 stores
In stock
Stern Defense 9MM Glock/Colt Complete Bolt Carrier Group SD BU9 ECHO - NiB
Stern Defense · Bolt Carrier Group
No ratings yetBest price
$169.99at Rainier Arms
not checked recently
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Rainier Arms Best price | $169.99not checked recently | Check store | Buy at Rainier Arms | |
| Palmetto State Armory | $170.99Salechecked 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 | $170.99 | $170.99 | $170.99 |
Since Sep 28, 2026.
About this part
The Stern Defense 9MM Glock/Colt Complete Bolt Carrier Group SD BU9 ECHO - NiB is a 9mm bolt carrier group from Stern Defense. It's sold by 2 stores, from $169.99 to $170.99.
Fits and works with
- Caliber
- 9mm · Shop matching ammo
- Bolt
- 9mm · Bolt carrier groups
Specifications
- Manufacturer
- Stern Defense
- Platform
- AR-9
- Caliber
- 9mm
From the manufacturer
Looking for a PCC bolt compatible with the echo trigger right out of the box? Here ya go! Made with 8620 AISI steel and boasting a Nickel Boron, Melonite hybrid finish, the Stern bolt fits into Mil-Spec and Glock-pattern upper receivers. It functions with Colt SMG, Glock magazines and it's fully compatible with standard AR15/M16 charging handles. Comes fully assembled with all sub-components installed, including firing pin/spring/retaining pin, extractor, and extractor spring. Also included in bolt assembly is a propriety center and roll pins.Technical Information: Made in U.S.A. Constructed from 8620 AISI steel. Custom 4140 billet extractor providing superior ejection. Glock cut. Coating: NiB & Melonite Weight: 15.5 OZ. 9MM Echo compatible
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