-90 %

SPRINCO AR-15 Enhanced Power Buffer Spring BLUE - Carbine Length 4-COIL KIT

~~439,90 €~~ 43,90 €

Di libera vendita

8700 Leoben, Austria

ID: 10093673

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Earms

Rivenditore

3.748 annunci

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Tedesco

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Posizione

🇦🇹 8700 Leoben, Austria

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non disponibile

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Fonte: Earms
Ultimo aggiornamento: circa 14 ore fa

Descrizione

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Enhanced Power - Carbine Length - Buffer Spring + 4-COIL Bolt Extractor 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. This recoil spring is color coded blue indicating that it is optimal for use with 5.56 AR-15s with a mid-length gas system and carbine buffer tube. Sprinco has extensively tested this setup and have concluded that it works great with 5.56 AR-15’s with a barrel length from 12.5” to 16” and either a standard or H2 buffer weight. It also helps you to easily identify which power spring you have in your AR-15 if you have a habit of changing your setup constantly. Color Coded BLUE. AR-15 Enhanced Power Buffer Spring BLUE Features: Enhanced Power - Carbine Length - Buffer Spring Compatible to AR-15 5.56 NATO /.223 REM from 12.5″ to 16″ uppers with mid-length gas system For carbine length buffer tubes only Made from chrome silicon wire stock Heat treated and shot peened Compatible accessories see under this article, accessories. Check your rifle with the Ejection Angle Chart M16 4-COIL Features: This 4 coil extractor spring is designed for AR-15/M16 bolt carrier groups and provides the same spring pressure as OEM springs for use in 18"+ rifles. ADVANTAGES: Enhanced 4-Coil springs maintain an extended duty cycle oad of a NEW Mil-Spec spring and is recommended for use in 18"+ barrel lenghts upward for those who retieve their brass for reloading. While the XP 5-Coil spring is totally reliable for all 5.56 BBL lengths, it can be aggressive on case rims in 18"+ rifles, and may be too strong for some bolts with extremely tight bolt face tolerances. FEATURES / INFORMATION: 4-Coil Design Unaffected by heat up to 750°F Optimal for rifles with 18” barrel lenghts upward Compatible to AR-15/M16 BCG in all AR-15 calibers Use Mil-Spec extractor insert and O-Ring with the 4-Coil Extractor Spring Extreme duty cycles provided while maintaining performance specifications Heat Treated, Stress Relieved, and Cryogenic Processed Post Winding Impregnation / Plating with Re-Micronized Molybdenum Disulfide Formulation Made from Chrome Silicon wire stock Plug & play - May easily be the only extractor springs needed for the life of your bolt!! _____________________________________________________________________________________________________________________________________________________________________________________________ General Informations Why do we assign "COLORS" to our buffer springs? We have tens of thousands of buffer springs in various stages of enhancement or in inventory in our facility. This practice is beneficial to both you as the end user and for our employees to identify for quality control and fulfillment. We use Dykem® Opaque Metal Staining Dye to color code the springs, (not rattle can spray paint) during the QC and packaging process. This practice has become the standard industry reference for our different springs. Should you encounter fishy looking deals on internet auction sites, please send us an image for product validation, as there have been a very small intrusion of color coded imposters floating around from time to time that to the trained eye, are glaringly apparent from their advertising images and/or descriptions. Sprinco buffer springs are made from high quality Chrome Silicon wire stock which is used in a variety of applications from Formula One to motor valve springs which can see up to 15,000,000 compression cycles in a single race. CONSTRUCTION SPECS: CARBINE & RIFLE BUFFER SPRINGS ASTM Grade A877 Certified Valve Quality Chrome silicon Wirestock Heat Treated, Stress Relieved and Dual Stage Shot-Peened post winding (Our springs really ARE shot-peened) Impregnation / Plating with Re-Micronized Molybdenum Disulfide formulation Hard plastic tube packaging for protected transport and easy storage (Tubes make great storage compartments for all sorts of gear) Optional Cryogenic Processing Available (Select Item 26001) ADVANTAGES: Increased "lock time" for faster sight recovery and platform stability Consistent spring pressure throughout the duty cycle of the spring, resulting in fewer malfunctions related to spring operation (Especially Type III malfunctions) Improved & consistent cyclic operation. Spring will not change performance for many hundreds of thousands of rounds Greater resistance to heat induced performance degradation Reduced cyclic rate with Enhanced or Extra Power springs and reduce / eliminate bolt bounce with optimal spring / buffer weight selection Reduced operating cost as replacement springs are not needed during the life of your upper receiver assembly. Less downtime and fewer trips to the armorer for spring replacement, in fact, this will most likely be the only buffer spring you will ever need for the duty cycle of your carbine or rifle! Correct spring selection works reliably, consistently, and virtually indefinitely in all properly built and maintained AR platformsMADE IN THE USA

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