Spring Kit- Xp Buffer Spring W/ Dual Extractor Spring Set
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specifications

Manufacturer:

Sprinco USA

Type:

Buffer Kit

Platform:

AR-10

    Spring Kit- Xp Buffer Spring W/ Dual Extractor Spring Set

    Caliber Manufacturer Color Weight Merchant Price Merchant URL
    None Sprinco USA None None None $23.99 Brownells Add

    Prices last checked September 2026. Prices and availability change often, so confirm on the retailer's site.

    Extra Power Buffer Spring. This was Sprinco's first AR buffer spring solution that they were tasked to design back in 2006 for a Force Modernization Team to specifically address spring-related M4 carbine reliability function issues for operating challenges in the Eastern Asia Theatre. The design loads of the Red spring are approximately 25% greater than the White spring for one of the considered Load Constants in the spring design. Refer to provided tuning procedure reference documents prior to calling for recommendations for use. The Red spring is commonly used in 9mm, 6.8 SPC, 6.5 Grendel, .450 BM, .450 SOCOM, .500 Beowulf, and Colt LE6920's specimen carbines, but certain spec Mfg: Sprinco Usa

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