CCI Large Pistol Primers #300 Box of 1000 (10 Trays of 100) 
CCI Large Pistol Magnum Primers #350 Box of 1000 (10 Trays of 100)
CCI Primers are continuously tested and improved. As a result today’s CCI primers are more sensitive, easier to seat and more compatible with progressive and automated loading equipment than ever before. They utilize modern non-corrosive and non-mercuric initiator mixes for the cleanest burn possible. CCI Large Pistol Magnum Primers #350
Smokeless Powder, Black Powder, Primers, and Fuses ship from our warehouse with other products. This ensures no more than one Shipping Charge and one HazMat Charge per order (unless you also order products that Ship Separately from PieceEdge or our Suppliers). Each order is limited to no more than 25 pounds of Black Powder, and no more than 66 pounds each of Smokeless Powder, Primers, or Fuse. Smokeless Powder, Black Powder, Primers, and Fuses are considered hazardous materials, incur HazMat Charges, and can only ship ground freight within the continental U.S. Due to safety considerations and legal/regulatory reasons, Smokeless Powder, Black Powder, Primers, and Fuses cannot be returned.
WARNING: 
Ronald –
First time trying CCI primers.
For my .44 mag reloads. Love them. R
Acerbate –
They all went bang
Never had an issue with these primers
Bottom Line
Yes, I would recommend to a friend
Robert –
great buy
work great in my .44 magnum