Lower Parts

24 of 420 Items
  • Armaspec Stealth Recoil Spring Kit G4 - ARM253-H2 Armaspec Stealth Recoil Spring Kit G4 - ARM253-H2

    Armaspec

    Armaspec Stealth Recoil Spring Kit G4 - ARM253-H2

    The Stealth Recoil Spring™ SRS™ GEN4 is a self-contained multi-stage drop-in replacement for your standard buffer and spring. The SRS™ is designed to keep the buffer spring from rubbing against the inner wall of the buffer tube...

    MSRP: $109.99
    $76.49
    Add to Cart
  • LBE Unlimited Mil-Spec Carbine Buffer Spring

    LBE Unlimited

    LBE Unlimited Mil-Spec Carbine Buffer Spring

    The LBE AR-15 Carbine Length Recoil Spring is made from high quality 17-7 Steel. These recoil springs are tough and dependable to ensure your rifle is at its peak performance. LBE Unlimited is a leading producer of US Made gun parts and accessories. LBE...

    MSRP: $6.99
    $4.95
    Add to Cart
  • Geissele Super Stainless Mag Catch (SSMC) - Black Geissele Super Stainless Mag Catch (SSMC) - Black Geissele Super Stainless Mag Catch (SSMC) - Black

    Geissele Automatics

    Geissele Super Stainless Mag Catch (SSMC) - Black

    The Geissele Mag Catch Assembly is a stronger replacement for the mil-spec mag catch. It’s made from Stainless Steel for its longevity and anti-rusting properties. This item is also found on the Super Duty and Ultra Duty Lower...

    MSRP: $26.00
    $21.00
    Add to Cart
  • B5 Systems SIERRA K EXTENSION KIT B5 Systems SIERRA K EXTENSION KIT B5 Systems SIERRA K EXTENSION KIT

    B5 Systems

    B5 Systems SIERRA K EXTENSION KIT

    The Sierra K Receiver Extension Kit is the proprietary mounting system for the Sierra K Buttstock. It consists of a reduced-length, mil-spec diameter, 7075 aluminum, 5-position receiver extension, a short heavy buffer (3.5 oz), extra power spring,...

    MSRP: $149.95
    $119.95
    Add to Cart
  • RISE Armament Enhanced Trigger Guard - Aluminium, Black RISE Armament Enhanced Trigger Guard - Aluminium, Black RISE Armament Enhanced Trigger Guard - Aluminium, Black

    Rise Armament

    RISE Armament Enhanced Trigger Guard - Aluminium, Black

    Using the detent push button at the front of the trigger guard, you can easily swing the trigger guard down. If you’re wearing big gloves or shooting in the cold, this will make more room for your hands inside the trigger pocket. Made from 6061...

    MSRP: $29.99
    $24.99
    Add to Cart
  • TAPCO Buffer Tube Kit

    Tapco

    TAPCO Buffer Tube Kit

    TAPCO Buffer Tube Kit - Take your AR-15 customization to the next level with the TAPCO Buffer Tube Kit, a comprehensive package designed to enhance the functionality and versatility of your rifle. This kit includes everything you need for a complete...

    MSRP: $79.95
    $54.99
    Add to Cart
  • Geissele Ultra Duty Mag Release Button

    Geissele Automatics

    Geissele Ultra Duty Mag Release Button

    The Geissele Ultra Duty® Mag Release Button features a texture matching our Maritime Bolt Catch, allowing you to complete the high end look of your carbine. This item is also found on the Super Duty and Ultra Duty Lower Parts Kits.

    MSRP: $15.00
    $12.00
    Add to Cart
  • Luth-AR H1 Heavy Carbine Buffer

    Luth-AR

    Luth-AR H1 Heavy Carbine Buffer

    H1 Carbine Buffer Body .223/5.56 The H1 Carbine Buffer Body contains 1 tungsten slug and 2 steel slugs in the buffer for a total weight of 3.80 oz or .25 lbs. Using a heavier AR-15 buffer helps reliable function with mid-length or short...

    MSRP: $36.95
    $29.95
    Add to Cart
  • LBE Unlimited H2 Heavy Gold Buffer - ARBUFF-H2

    LBE Unlimited

    LBE Unlimited H2 Heavy Gold Buffer - ARBUFF-H2

    If you're looking to slow down your BCG to ensure proper cycling then choose from one of LBE's three fine Heavy Recoil Buffers (H1, H2 or H3). The correct buffer weight depends on type and length of barrel gas port size gas system length as well as type...

    MSRP: $39.99
    $35.95
    Add to Cart
  • Strike Industries Picatinny Stock Adapter - Black Strike Industries Picatinny Stock Adapter - Black Strike Industries Picatinny Stock Adapter - Black

    Strike Industries

    Strike Industries Picatinny Stock Adapter - Black

    The Strike AR Picatinny Stock Adapter gives the user the ability to mount a 1913 Picatinny interface stock/stabilizer assembly where normally the receiver extension is attached. For ARs that do not need an in-line buffer and buffer spring to...

    MSRP: $60.95
    $49.95
    Add to Cart
  • Luth-AR A2 Rifle Length Buffer Spring

    Luth-AR

    Luth-AR A2 Rifle Length Buffer Spring

    Improve the performance of your AR-15 with our A2 Rifle Standard Buffer Spring. Designed specifically for .223/5.56mm caliber firearms, this high-quality spring will help ensure smooth and reliable operation. Upgrade your rifle today with our durable...

    MSRP: $5.99
    $4.22
    Add to Cart
  • HIPERFIRE HIPERSWITCH 60 Deg Ambi Safety Selector - Black

    HIPERFIRE

    HIPERFIRE HIPERSWITCH 60 Deg Ambi Safety Selector - Black

    Product Overview The HiperFire Hiperswitch 60 Degree Ambidextrous Safety Selector is 100% compatible with Hiperfire triggers and other mil compatible triggers. The 60 deg short throw between safe and fire is much safer than 45 degree versions that can...

    MSRP: $55.00
    $47.50
    Add to Cart
24 of 420 Items
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