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    JP AR 308 Silent Captured Spring - Heavy

    Manufacturer: JP Enterprises
    SKU: JPSCS2-10H2
    GTIN: 812872024004
    Availability: In stock
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    The JPSCS2-10 is designed to work in standard 7-inch M16/M4-length buffer extension tubes on .308 AR-type rifles like the DPMS LR-308. Armalite .308 rifles, likewise, use these standard M16 extension tubes with rifle-length stocks, so this unit will function normally when installed with the supplied spacer. However, Armalite’s .308 carbines use a slightly longer, non-standard carbine extension tube. The JPSCS2-10 can still be used with these extension tubes by installing the spacer, which must be modified to fit. Alternately, the system will function readily if the longer Armalite carbine tube is replaced with a standard 7-inch .223 carbine extension tube.

    The JPSCS2-10 is not compatible with the HK MR762, the Sig Sauer 716, or the Rock River Arms LAR-8 because of its longer bolt stroke and subsequently longer extension tube.

    GEN 2 Silent Captured Springfor AR-10-type rifles
    H2 Buffer Version
    Includes spacer to allow for installation in both carbine- and rifle-length buffer tubes.

    Recommended Use:

    • Short-barreled rifles SBRs
    • Suppressed weapons
    • Rifles recommended to use an H2 buffer
    • Select-fire rifles
    • Piston-operated rifles
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