A Subsidiary of Armscor / Rock Island Armory | Free shipping on orders over $100 for members excluding firearm & ammo shipments

Lower Parts

37 of 37 Items
  • Sale
    RIA 5.0 - Hammer Cross Pin RIA 5.0 - Hammer Cross Pin

    RIA USA

    RIA 5.0 - Hammer Cross Pin

    The RIA 5.0 hammer cross pin is a precision machined component made from hardened steel for maximum durability. It is designed to fit Rock Island Armory 5.0 series 1911 pistols. **Proper gunsmith...

    $4.95
  • Sale
    RIA 5.0 - Trigger  Pin RIA 5.0 - Trigger  Pin

    RIA USA

    RIA 5.0 - Trigger Pin

    The RIA 5.0 - Trigger Pin is a replacement trigger pin for RIA 5.0 pistols. It is made of steel and is heat treated for strength and durability. The pin is precision machined to ensure a perfect fit...

    $4.95
  • Sale
    RIA 5.0 - Sear Cross Pin RIA 5.0 - Sear Cross Pin

    RIA USA

    RIA 5.0 - Sear Cross Pin

    This is a replacement sear cross pin for the RIA 5.0 AR-15. It is made from high-quality steel and features a black oxide finish for corrosion resistance. The pin is precision machined to ensure a...

    $4.95
  • Sale
    RIA 5.0 - Hammer Strut RIA 5.0 - Hammer Strut

    RIA USA

    RIA 5.0 - Hammer Strut

    The RIA 5.0 - Hammer Strut is a replacement part for the RIA 5.0 series of pistols. It is made from high-quality steel and is machined to exact specifications. The hammer strut is an important part...

    $20.07
  • Sale
    RIA 5.0 - Lower Grip Pin - Short RIA 5.0 - Lower Grip Pin - Short

    RIA USA

    RIA 5.0 - Lower Grip Pin - Short

    The RIA 5.0 - Lower Grip Pin - Short is an essential part for your AR-15 lower receiver. It is made from durable steel and features a black oxide finish for corrosion resistance. The pin is also heat...

    $3.74
  • Sale
    RIA 5.0 - Lower Grip Pin - Long RIA 5.0 - Lower Grip Pin - Long

    RIA USA

    RIA 5.0 - Lower Grip Pin - Long

    This is a long grip pin for the RIA 5.0 pistol. It is made of steel and is 1.25 inches in length. It is designed to fit the RIA 5.0 pistol and is a replacement part for worn or damaged pins...

    $4.28
  • Sale
    RIA 5.0 - Firing Pin Block Lever RIA 5.0 - Firing Pin Block Lever

    RIA USA

    RIA 5.0 - Firing Pin Block Lever

    The RIA 5.0 - Firing Pin Block Lever is a replacement part for your AR-15 lower receiver. It is made from high-quality steel and is precision machined to ensure a perfect fit. The firing pin block...

    $10.62
  • Sale
    RIA 5.0 - Offset Nut RIA 5.0 - Offset Nut

    RIA USA

    RIA 5.0 - Offset Nut

    The RIA 5.0 - Offset Nut is a precision machined steel component that helps to secure the lower receiver to the upper receiver. It is manufactured from high-quality materials and construction, and...

    $4.11
  • Sale
    RIA 5.0 - Shoulder Bolt Long Threads RIA 5.0 - Shoulder Bolt Long Threads

    RIA USA

    RIA 5.0 - Shoulder Bolt Long Threads

    The RIA 5.0 - Shoulder Bolt Long Threads is a high-quality, durable product that is perfect for your AR-15 build. It is made from high-quality steel and features a long thread pitch for a secure fit...

    $4.97
  • Sale
    RIA 5.0 - Shoulder Bolt Large RIA 5.0 - Shoulder Bolt Large

    RIA USA

    RIA 5.0 - Shoulder Bolt Large

    This RIA 5.0 - Shoulder Bolt Large is a replacement part for your AR-15. It is made of steel and is machined to exact specifications. This shoulder bolt is a direct replacement for the factory part...

    $6.00
37 of 37 Items