BudsGunShop.com - Over all length?

It's 24.75 inches according to the manufacturer.

Sorry Gavon, that wold be 24.25 inches long.

According to the Windham web site, this firearm is 24 1/2 inches in length. windhamweaponry.com/firearms/pistols/223-556-caliber-pistol-2/rp9sfs-7-2/

Length: 24.75” see *****RP9SFS-7 MODEL SPECIFICATIONS Caliber: .223 Remington/5.56mm NATO Barrel Material: 4150 Chrome Moly Vanadium 11595E Steel with M4 Feed Ramps Action: Semi-Automatic, Gas Impingement System Rifling: 1 in 7" (177.8mm) - Right Hand Twist Capacity: 30 + 1 - Ships with one 30-Round Magazine Stock: Fitted with SB Tactical Pistol Arm Brace with QD Endplate and QD Sling Swivel Safety: Manual Lever with Indicator Markings on Both Sides of Receiver Forend: 7" (177.8mm) Windham Weaponry Free-Float Railed Handguard with 2” (50.8mm) Rail Section Receiver: Flat Top Type Upper Receiver Pistol Grip: Hogue Beavertail Grip Receiver Material: Forged 7075 T6 Aircraft Aluminum with Magpul Enhanced Trigger Guard Rear Sight: Kriss Polymer Rear Flip Sight Receiver Finish: Hardcoat Black Anodize Finish Front Sight: Kriss Polymer Front Flip Sight Trigger: Standard Mil-Spec Trigger Weight: 5.5 lbs. (2.49kg) without magazine Bolt Material: Carpenter 158 Steel *******Length: 24.75" (628.65mm) Barrel: 9" (228.6mm) Medium Profile with Melonite QPQ Finish and A2 Flash Suppressor Includes: Hard Plastic Gun Case, Magazine, Black Web Sling & Operators Manual
https://ty1gp1y141k12fk1dp5xpx1a-wpengine.netdna-ssl.com/wp-content/uploads/2019/01/RP9SFS-7_Retail.pdf

Gavon, OAL is 24.75" and • Wt.: 5.5 lbs.