Para magazine springs serve USPSA Open and Limited shooters running Para Ordnance-pattern magazines. Listings include the Wolff Para-Ord XP spring at plus 10 percent, the ISMI chrome silicon spring for 140mm Para magazines, and Arredondo plus 10 percent springs in single, 5-pack, and 10-pack, plus the Arredondo spring plate for STI/SV and PARA. Confirm your magazine length and pattern before ordering. Fast same-day shipping on most orders at Shooters Connection.