$49.95
*This buttstock on the MCK creates an NFA item. As of Jan 1, 2026, the tax stamp is $0, but ATF approval and registration are still required. Check your state and local laws. See our FAQ for details.
The MCKGEN2STK is the stock for ONLY the MCK GEN 2 and MCK GEN 1. The lightweight and sturdy platform. Easy to install.
WARNING: Observe safe firearm handling practices at all times. Failure to do so may result in serious bodily injury or death. CAA USA shall not be responsible for injury, death, or property damage resulting from faulty installation, misuse, illegal use, or modification of this product.
| Weight | 1 lbs |
|---|---|
| Dimensions | 8.5 × 12 × 2 in |
| Color | Black, Green, Tan |


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I love the butt stock as it makes shooting a lot easer.
Works great, workable LOP.
Completely changed the whole experience with this chassis. No brainer.
Fit perfectly. Easy to install. Can’t wait to take it to the range to try it out.