
Availability: In Stock
The Kak Industry K-Spec AR15 bolt carrier group is built for shooters who demand reliability in their 5.56 rifle, whether you're running it suppressed or shooting it clean. This is a true plug-and-play BCG that handles whatever mission your AR throws at it—no gunsmithing, no fussing with carrier compatibility. The dual ejector design and downward-angled gas port cuts work together to manage reliability across a wide range of conditions and configurations.
What sets the K-Spec apart is its engineering focus on hard-use reliability. The dual ejectors ensure consistent case removal, while the angled carrier rail cuts and full-auto profile profile help manage gas cycling whether you're running a suppressor or not. The NP3 finish resists corrosion and reduces friction, keeping your bolt carrier running smooth through extended shooting sessions and in less-than-ideal environments.
This is the kind of BCG that works the same whether you build a precision rifle, a duty carbine, or a suppressed hunting setup. No workarounds needed—drop it in and trust it.
| Brand | Kak Industry |
| Caliber | 5.56 NATO |
| Platform | AR-15 |
| Bolt Carrier Profile | Full-Auto |
| Ejectors | Dual |
| Finish | NP3 |
| Type | Complete Bolt Carrier Group |
Yes. The K-Spec is specifically designed to function reliably both suppressed and unsuppressed. The downward gas port cuts and dual ejector system are engineered to handle the higher pressure environment of suppressed fire as well as standard configurations.
The K-Spec is a plug-and-play BCG with no special carrier compatibility issues. It will work in any standard AR-15 in 5.56 NATO.
The NP3 plating provides superior corrosion resistance and reduces friction during cycling, helping the bolt carrier group cycle smoothly and reliably over extended use and in wet or harsh conditions.
This is a complete bolt carrier group ready to install in your upper receiver.


SKU: 167515818 • Width: 1.75in • Height: 1.75in • Depth: 8in • Weight: 13oz





Availability: In Stock
The Kak Industry K-Spec AR15 bolt carrier group is built for shooters who demand reliability in their 5.56 rifle, whether you're running it suppressed or shooting it clean. This is a true plug-and-play BCG that handles whatever mission your AR throws at it—no gunsmithing, no fussing with carrier compatibility. The dual ejector design and downward-angled gas port cuts work together to manage reliability across a wide range of conditions and configurations.
What sets the K-Spec apart is its engineering focus on hard-use reliability. The dual ejectors ensure consistent case removal, while the angled carrier rail cuts and full-auto profile profile help manage gas cycling whether you're running a suppressor or not. The NP3 finish resists corrosion and reduces friction, keeping your bolt carrier running smooth through extended shooting sessions and in less-than-ideal environments.
This is the kind of BCG that works the same whether you build a precision rifle, a duty carbine, or a suppressed hunting setup. No workarounds needed—drop it in and trust it.
| Brand | Kak Industry |
| Caliber | 5.56 NATO |
| Platform | AR-15 |
| Bolt Carrier Profile | Full-Auto |
| Ejectors | Dual |
| Finish | NP3 |
| Type | Complete Bolt Carrier Group |
Yes. The K-Spec is specifically designed to function reliably both suppressed and unsuppressed. The downward gas port cuts and dual ejector system are engineered to handle the higher pressure environment of suppressed fire as well as standard configurations.
The K-Spec is a plug-and-play BCG with no special carrier compatibility issues. It will work in any standard AR-15 in 5.56 NATO.
The NP3 plating provides superior corrosion resistance and reduces friction during cycling, helping the bolt carrier group cycle smoothly and reliably over extended use and in wet or harsh conditions.
This is a complete bolt carrier group ready to install in your upper receiver.
SKU: 167515818 • Width: 1.75in • Height: 1.75in • Depth: 8in • Weight: 13oz

