Cmmg 55Ca563 Ar15 Grip Screw
The CMMG AR-15 grip screw is a straightforward replacement fastener for any AR-platform build or maintenance job. If your pistol grip has come loose or you're reassembling an upper and lower, this 1/4-28 x 1" screw does exactly what it needs to do—hold your grip secure without fuss. Whether you're a builder, a tinkerer, or someone who just wants a spare on hand, it's the kind of small part that makes the difference between a rifle that's solid and one that's not.
CMMG has been building AR rifles and developing AR components since 2002, so their parts carry the mark of a company that understands the platform inside and out. This grip screw is standard-spec and compatible with any AR-15 that uses a pistol grip assembly, making it a no-brainer addition to your parts bin or build kit.
Keep a few of these in your range bag or tool kit. Grip screws are easy to lose, and having a replacement on hand beats a trip back to the shop or a delayed range day.
Specifications
| Brand | CMMG |
| Fitment | AR-15 Pistol Grip |
| Thread Size | 1/4-28 |
| Length | 1" |
Frequently Asked Questions
Will this grip screw fit my AR-15?
Yes, if your rifle uses a standard AR-15 pistol grip assembly. This is a 1/4-28 x 1" screw, the common specification for AR-15 grip fasteners.
What is this screw used for?
This screw fastens the pistol grip to the lower receiver. It threads into the grip and secures it in place so it doesn't rattle or come loose during shooting or handling.
Can I use this on an AR-10?
This screw is designed for AR-15 pistol grips. AR-10 builds may use different grip hardware, so verify fitment with your specific lower receiver before ordering.

