The Cobalt Kinetics CK-Pro Upper Receiver Groups were designed for end users that want to upgrade their current ARs to have the same performance edge featured in completed platforms. All CK-Pro URGs are expertly built by gunsmith staff. Built URGs are test-fired for function before leaving out the door to the customer.
“Spikes SFT50M4 Flat Top Stripped Upper Multi-Caliber 7075-T6 Aluminum Black Anodized Receiver for M4 Platform” has been added to your cart. View cart
| Weight | 4.38 lbs |
|---|---|
| Dimensions | 24.8 × 4.4 × 4.4 in |
| Caliber | 5.56x45mm NATO |
| Barrel Length | |
| Receiver Finish | |
| Manufacturer | COBALT KINETICS |
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