SPRINCO USA Spring Kit-XP Buffer Spring / Dual Extractor Spring
$42.29
$59.21
SPRINCO USA Spring Kit-XP Buffer Spring / Dual Extractor Spring Enhance your AR’s reliability with the SPRINCO USA Extra Power Buffer Spring. Designed in 2006 for a Force Modernization Team, this spring addresses M4 carbine function issues in challenging environments. 25% greater design loads compared to the White spring Ideal for 9mm, 6.8 SPC, 6.5 Grendel, .450 BM, .450 SOCOM, .500 Beowulf, and Colt LE6920’s Tuning procedure documents included for optimal performance Note: Performance may vary depending on port values and ammunition loads. Consult provided documentation before use.
