Britton's deal is worth about $4.6 million, with $2.8 million guaranteed. Britton's deal leaves them with only one unsigned draft choice, first-round pick Eugene Monroe.
The Jaguars reported to training camp Sunday. With Britton in camp on time, he will try to challenge Tony Pashos for the starting right tackle position.
Information from ESPN.com senior writer John Clayton and The Associated Press was used in this report.