raineirarms

Rifle Parts

Whether you're building a new rifle from scratch or looking to upgrade an existing firearm, our vast selection of rifle parts has everything you are going to need in that journey. At Rainier Arms' selection of rifle parts, you can find a wide variety of products including lower and upper parts, trigger parts, muzzle devices, and many more. 

Explore our selection of high-quality parts coming from various leading manufacturers like Strike Industries, Magpul, BCM, and many more.

Also, don't forget to check our specially-made Rainier Arms barrels for your firearms.

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  1. Geissele Super Select-Fire (SSF®) Trigger
    Geissele Super Select-Fire (SSF®) Trigger
    $405.00
  2. Geissele Super Dynamic 3 Gun (SD-3G) Trigger
    Geissele Super Dynamic 3 Gun (SD-3G) Trigger
    $245.00
  3. Hiperfire HIPERTOUCH Elite, AR15/10 Trigger Assembly
    Hiperfire HIPERTOUCH Elite, AR15/10 Trigger Assembly
    $190.00
  4. Hiperfire HIPERTOUCH Genesis, AR15/10 Trigger Assembly
    Hiperfire HIPERTOUCH Genesis, AR15/10 Trigger Assembly
    $190.00
  5. Hiperfire Xtreme 2 Stage AR15/10 Trigger Assembly - Mod-1
    Hiperfire Xtreme 2 Stage AR15/10 Trigger Assembly - Mod-1
    $190.00
  6. Hiperfire Xtreme 2 Stage AR15/10 Trigger Assembly - Mod-2
    Hiperfire Xtreme 2 Stage AR15/10 Trigger Assembly - Mod-2
    $190.00
  7. Lantac E-CT1 SINGLE STAGE TRIGGER
    Lantac E-CT1 SINGLE STAGE TRIGGER
  8. Timney Triggers AR CALVIN ELITE, 1.5LB, ADJUSTABLE SHOE
    Timney Triggers AR CALVIN ELITE, 1.5LB, ADJUSTABLE SHOE
    Special Price $299.99 Regular Price $363.99
  9. Timney Triggers REMINGTON 700 CALVIN ELITE RIGHT HAND W/SAFETY & ADJUSTIBLE TRIGGER - Red
    Timney Triggers REMINGTON 700 CALVIN ELITE RIGHT HAND W/SAFETY & ADJUSTIBLE TRIGGER - Red
    Special Price $279.99 Regular Price $337.99
  10. HB Industries CZ Scorpion EVO3 DELTA Trigger
    HB Industries CZ Scorpion EVO3 DELTA Trigger
  11. Triggertech Diamond AR Trigger - PVD Black Flat
    Triggertech Diamond AR Trigger - PVD Black Flat
    $304.99
  12. Rise Armament Advanced Performance Trigger (ATP) - Black
    Rise Armament Advanced Performance Trigger (ATP) - Black
    $249.99
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