SPRINCO USA Spring Kit-XP Buffer Spring / Dual Extractor Spring

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.