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Lower Parts

24 of 30 Items
  • Sale
    RIA 5.0 - Hammer RIA 5.0 - Hammer

    RIA USA

    RIA 5.0 - Hammer

    RIA 5.0 Hammer for RIA 5.0 series pistols. This hammer is constructed of hardened steel and features a serrated face for increased grip.  * **Proper gunsmith fitting required for accurate fit & safe function.** Features: Hardened steel...

    Was: $44.40
    Now: $39.96
    Add to Cart
  • Sale
    RIA 5.0 - Slide Stop

    RIA USA

    RIA 5.0 - Slide Stop

    The RIA 5.0 - Slide Stop is a high-quality, durable part that is perfect for your AR-15 build. It is made from steel and features a black oxide finish for corrosion resistance.  **Features:** Made from steel Black oxide finish Easy to install Will...

    Was: $3.77
    Now: $3.39
    Add to Cart
  • Sale
    RIA 5.0 - Grip Spring Plate Screw RIA 5.0 - Grip Spring Plate Screw

    RIA USA

    RIA 5.0 - Grip Spring Plate Screw

    This RIA 5.0 Grip Spring Plate Screw is a genuine replacement part for your RIA 5.0 pistol. It is made from high-quality steel and is precision machined to ensure a perfect fit. **Proper gunsmith fitting required for accurate fit & safe function...

    Was: $2.49
    Now: $2.24
    Add to Cart
  • Sale
    RIA 5.0 - Magazine Catch Screw RIA 5.0 - Magazine Catch Screw

    RIA USA

    RIA 5.0 - Magazine Catch Screw

    The RIA 5.0 - Magazine Catch Screw is a replacement screw for the magazine catch on the RIA 5.0 pistol. It is made of steel and has a black oxide finish. **Features:** Replaces the magazine catch screw on the RIA 5.0 pistol Made of steel Black oxide...

    Was: $6.71
    Now: $6.04
    Add to Cart
  • Sale
    RIA 5.0 - Ejector RIA 5.0 - Ejector

    RIA USA

    RIA 5.0 - Ejector

    The RIA 5.0 - Ejector is a high-quality replacement ejector for your AR-15 lower receiver. It is made from durable steel and is machined to exact specifications.  **Features:** Made from durable steel Machined to exact specifications **Proper...

    Was: $20.31
    Now: $18.28
    Add to Cart
  • Sale
    RIA 5.0 - Leaf Spring RIA 5.0 - Leaf Spring

    RIA USA

    RIA 5.0 - Leaf Spring

    The RIA 5.0 - Leaf Spring is a drop-in replacement for the factory spring in mil-spec AR-15/M16 lower receivers. It is made from heat-treated steel and features a polished finish. The spring is designed to provide a smooth, reliable action with a...

    Was: $6.74
    Now: $6.07
    Add to Cart
  • Sale
    RIA 5.0 - Sear RIA 5.0 - Sear

    RIA USA

    RIA 5.0 - Sear

    The RIA 5.0 Sear is a drop-in replacement for the factory sear in your AR-15. It is machined from high-quality steel and features a polished finish for smooth operation. The RIA 5.0 Sear is a great upgrade for your AR-15 and will help improve the...

    Was: $31.95
    Now: $28.76
    Add to Cart
  • Sale
    RIA 5.0 - Grip Spring Plate RIA 5.0 - Grip Spring Plate

    RIA USA

    RIA 5.0 - Grip Spring Plate

    The RIA 5.0 - Grip Spring Plate is a replacement part for your AR-15 lower receiver. It is made from high-quality steel and features a smooth finish.  **Features:** Replaces damaged or worn grip spring plate Made from high-quality steel Compatible...

    Was: $2.99
    Now: $2.69
    Add to Cart
  • Sale
    RIA 5.0 - Trigger Torsion Spring RIA 5.0 - Trigger Torsion Spring

    RIA USA

    RIA 5.0 - Trigger Torsion Spring

    This is a replacement trigger torsion spring for RIA 5.0 AR15s. It will also work with other AR15s with a similar trigger group. **Features:** Increased hammer follow-up Reduced trigger reset Improved trigger pull **Proper gunsmith fitting required for...

    Was: $3.93
    Now: $3.54
    Add to Cart
  • Sale
    RIA 5.0 - Grip Assembly RIA 5.0 - Grip Assembly

    RIA USA

    RIA 5.0 - Grip Assembly

    The RIA 5.0 - Grip Assembly is a drop-in replacement for the factory grip on your RIA 5.0. It is made from high-quality polymer and features a textured grip surface for a secure hold.  **Features:** Drop-in replacement for factory grip Made from...

    Was: $109.99
    Now: $98.99
    Add to Cart
  • Sale
    RIA 5.0 - Trigger Bow Plunger Spring RIA 5.0 - Trigger Bow Plunger Spring

    RIA USA

    RIA 5.0 - Trigger Bow Plunger Spring

    The RIA 5.0 - Trigger Bow Plunger Spring is a replacement spring for the trigger bow plunger on Rock Island Armory 5.0 series pistols. It is made from high-quality stainless steel and is designed to provide a smooth, reliable trigger pull. **Proper...

    Was: $3.83
    Now: $3.45
    Add to Cart
  • Sale
    RIA 5.0 - Main Spring RIA 5.0 - Main Spring

    RIA USA

    RIA 5.0 - Main Spring

    This RIA 5.0 - Main Spring is a direct replacement for your existing main spring. It is made from high quality materials and is designed to provide years of reliable service. **Features:** High quality materials Direct replacement for existing main...

    Was: $3.83
    Now: $3.45
    Add to Cart
  • Sale
    RIA 5.0 - Magazine Catch RIA 5.0 - Magazine Catch

    RIA USA

    RIA 5.0 - Magazine Catch

    This Magazine Catch is a direct replacement for your existing RIA 5.0 Magazine Catch. It is made from high quality materials and construction for a long lasting product. **Features:** Direct replacement for your existing RIA 5.0 Magazine Catch Made from...

    Was: $18.77
    Now: $16.89
    Add to Cart
  • Sale
    RIA 5.0 - Magazine Catch Spring RIA 5.0 - Magazine Catch Spring

    RIA USA

    RIA 5.0 - Magazine Catch Spring

    The RIA 5.0 Magazine Catch Spring is a replacement part for your RIA 1911 pistol. It is made from high-quality steel and is designed to provide a smooth and reliable operation of the magazine catch. This spring is an essential part of your pistol and...

    Was: $3.83
    Now: $3.45
    Add to Cart
  • Sale
    RIA 5.0 - Barrel Plunger Spring

    RIA USA

    RIA 5.0 - Barrel Plunger Spring

    The RIA 5.0 - Barrel Plunger Spring is a replacement part for your AR-15 rifle. It is manufactured from high-quality materials and is made to exact specifications. This spring is designed to help with the operation of your rifle and will ensure that it...

    Was: $3.83
    Now: $3.45
    Add to Cart
  • Sale
    RIA 5.0 - Trigger Bow RIA 5.0 - Trigger Bow

    RIA USA

    RIA 5.0 - Trigger Bow

    The RIA 5.0 - Trigger Bow is a drop-in replacement for the factory trigger bow on Rock Island Armory 5.0 series pistols. It is made from lightweight aluminum and features a smooth curved profile and serrated face for a positive grip. The trigger bow is...

    Was: $26.42
    Now: $23.78
    Add to Cart
  • 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 fitting required for accurate fit & safe function...

    Was: $4.95
    Now: $4.46
    Add to Cart
  • 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. **Features:** Made of steel Heat treated for strength...

    Was: $4.95
    Now: $4.46
    Add to Cart
  • 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 perfect fit and smooth operation. It is an essential part...

    Was: $4.95
    Now: $4.46
    Add to Cart
  • 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 of the pistol's action, and it helps to ensure that the...

    Was: $20.07
    Now: $18.06
    Add to Cart
  • 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 treated for strength and durability. **Proper gunsmith...

    Was: $3.74
    Now: $3.37
    Add to Cart
24 of 30 Items
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