raineirarms

Receiver Parts

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  1. Daniel Defense MK18 RIII Complete Upper Receiver - 10.3" FDE
    Daniel Defense MK18 RIII Complete Upper Receiver - 10.3" FDE
    $1,412.00
  2. SIG SAUER MCX Rattler 300BLK Complete Upper - 5.5"
    SIG SAUER MCX Rattler 300BLK Complete Upper - 5.5"
    Special Price $1,759.99 Regular Price $1,999.99
  3. Rainier Arms MK12 223 Wylde Partial Upper Receiver - 18"
    Rainier Arms MK12 223 Wylde Partial Upper Receiver - 18"
    $1,050.00
  4. SIG SAUER MCX Rattler 5.56 NATO Complete Upper - 5.5"
    SIG SAUER MCX Rattler 5.56 NATO Complete Upper - 5.5"
    Special Price $1,824.99 Regular Price $1,999.99
  5. Sig Sauer MCX Spear - LT 7.62X39 Complete Upper 11.5"
    Sig Sauer MCX Spear - LT 7.62X39 Complete Upper 11.5"
    $1,999.99
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