The PMC (Precision Made Cartridges) .380 ACP 90 Grain FMJ RTAC Tactical Sling Combo appears to be a package deal that includes both ammunition and a tactical sling. Here’s some information about this combo:

1. Caliber: The ammunition in this combo is designed for firearms chambered in .380 ACP, which is a popular caliber for concealed carry pistols and compact handguns.
2. Bullet Type: The bullets in this ammunition are Full Metal Jacket (FMJ). FMJ bullets have a jacketed construction that fully encases the lead core, reducing lead fouling in the barrel and enhancing feeding reliability in semi-automatic firearms.
3. Bullet Weight: The bullet weight for this ammunition is 90 grains, which is a standard weight for .380 ACP ammunition. It provides a balance of manageable recoil and terminal performance suitable for self-defense practice and target shooting.
4. Packaging: The combo includes PMC .380 ACP 90 Grain FMJ ammunition along with an RTAC Tactical Sling. This combination can be appealing for shooters who want both ammunition and a tactical sling for their firearms.
5. Intended Use: The .380 ACP 90-grain FMJ ammunition is versatile and can be used for both target shooting and self-defense practice. FMJ ammunition is typically used for training due to its economical cost and reliable feeding characteristics.
6. Tactical Sling: The RTAC Tactical Sling is likely designed for use with rifles or shotguns. Tactical slings can help with firearm retention, transitioning between different shooting positions, and carrying the firearm in a ready-to-use position. Make sure to review the sling’s features and suitability for your specific firearm.
7. Availability: The availability of this combo can vary depending on market demand and production capacity. It’s advisable to check with local firearms and ammunition retailers or online vendors for the current availability of this combo.

When using any ammunition, always follow safe firearm handling practices and adhere to all safety rules and regulations. Ensure that your firearm is chambered for .380 ACP ammunition before using this or any other type of .380 ACP cartridge. Additionally, if you are interested in the included tactical sling, make sure it is compatible with your firearm and fits your shooting needs.