Unwrap Day 8 of Buildmas w/ Streamlight Weapon Lights On Sale! - SHOP NOW

 

Unwrap Day 8 of Buildmas w/ Streamlight Weapon Lights On Sale! - SHOP NOW

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SPRINCO USA M4 ENHANCED SPRING KIT W/BUFFER XP 5-COIL EXTRACTOR SPRING

Spring Kit-Enhanced Buffer XP 5-Coil Bolt Extractor Spring
Brownells #
943000033
MFR #
25008
UPC
657780250080
$21.99
Coupon Code
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Specifications
Buttstock Fit:
Carbine
Restriction
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Description

Enhanced Power Buffer Spring. The design loads of the Blue spring are approximately 15% greater than the White spring for one of the considered Load Constants in the spring design. Springco was encouraged to manufacture the Blue spring by Mike Pannone of CTT Solutions, who modified one of Sprinco's Red springs and recommended that they offer a spring with the loads of the Blue spring to address the high performance demands of other specimen platforms. While contemporary internet forum lore leans towards the use of the Blue spring with an H2 or ST-T2 buffer for 14.5 - 16” ML carbines, nothing is set in stone due to the vast range of gas port values in the wild that have come into play since we first entered the arena.

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