Lower Parts

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  • OEM Mil-Spec AR-15 Lower Parts Kit

    OEM Mil-Spec AR-15 Lower Parts Kit

    MSRP: $69.95
    $39.95
  • NBS Mil-Spec AR-15 Safety Detent Spring

    NBS Mil-Spec AR-15 Safety Detent Spring

    MSRP: $0.99
    $0.89
  • Surplus Complete Lower Parts Kit

    Surplus Complete Lower Parts Kit

    MSRP: $59.00
    $39.95
  • NBS Mil-Spec AR-15 Safety Selector Detent

    NBS Mil-Spec AR-15 Safety Selector Detent

    MSRP: $0.99
    $0.89
  • NBS Mil-Spec AR-15 Buffer Retainer Spring

    NBS Mil-Spec AR-15 Buffer Retainer Spring

    MSRP: $1.09
    $1.99
  • Sale!
    NBS Mil-Spec M4 Carbine Stock
    SALE ENDS: 00h 00m 00s

    NBS Mil-Spec M4 Carbine Stock

    Save 29%
    MSRP: $16.95
    $11.95
  • Sale!
    NBS Mil-Spec Lower Parts Kit Minus FCG & Pistol Grip
    SALE ENDS: 00h 00m 00s

    NBS Mil-Spec Lower Parts Kit Minus FCG & Pistol Grip

    Save 25%
    MSRP: $23.95
    $17.95
  • NBS Mil-Spec Carbine Receiver Extension (Castle) Nut

    NBS Mil-Spec Carbine Receiver Extension (Castle) Nut

    Starting from: $3.95
  • Rise Armament RAVE 140 Drop-in Trigger Flat / Curved

    Rise Armament RAVE 140 Drop-in Trigger Flat / Curved

    Starting from: $129.99
  • Mil-Spec AR-15 Gas Tube Roll Pin

    Mil-Spec AR-15 Gas Tube Roll Pin

    Starting from: $0.79
  • NBS Mil-Spec AR-15 Buffer Retainer

    NBS Mil-Spec AR-15 Buffer Retainer

    MSRP: $1.89
    $1.70
  • NBS Mil-Spec LE Style Carbine Stock & Buffer Kit
    SALE ENDS: 00h 00m 00s

    NBS Mil-Spec LE Style Carbine Stock & Buffer Kit

    MSRP: $44.95
    $34.95
  • NBS Mil-Spec AR-15 Magazine Catch Spring

    NBS Mil-Spec AR-15 Magazine Catch Spring

    MSRP: $0.99
    $0.89
  • Dirty Bird Industries Single Stage Nickel Teflon Trigger Group

    Dirty Bird Industries Single Stage Nickel Teflon Trigger Group

    MSRP: $44.95
    $39.95
  • NBS Mil-Spec AR-15 Receiver Extension Buffer Tube End Plate

    NBS Mil-Spec AR-15 Receiver Extension Buffer Tube End Plate

    Starting from: $3.99
  • Sale!
    Discount Mil-Spec Lower Build Kit
    SALE ENDS: 00h 00m 00s

    Discount Mil-Spec Lower Build Kit

    Save 50%
    MSRP: $109.95
    $54.95
  • Sale!
    NBS Mil-Spec Fire Control Group
    SALE ENDS: 00h 00m 00s

    NBS Mil-Spec Fire Control Group

    Save 33%
    MSRP: $29.95
    $19.95
  • NBS Mil-Spec Semi-Auto Safety Selector

    NBS Mil-Spec Semi-Auto Safety Selector

    Starting from: $5.95
  • Sale!
    Dirty Bird ACCU-Wedge for AR-15 - Fixes Upper / Lower Receiver Slop
    SALE ENDS: 00h 00m 00s

    Dirty Bird ACCU-Wedge for AR-15 – Fixes Upper / Lower Receiver Slop

    Save 50%
    MSRP: $5.95
    $2.95
  • Magpul MOE Stock Mil-Spec

    Magpul MOE Stock Mil-Spec

    Starting from: $37.95
  • NBS Mil-Spec AR-15 Pistol Grip Screw

    NBS Mil-Spec AR-15 Pistol Grip Screw

    Starting from: $2.39
  • Strike Industries Enhanced Bolt Catch

    Strike Industries Enhanced Bolt Catch – Black

    MSRP: $15.95
    $14.95
  • NBS Tactical Grip

    NBS Tactical Grip

    Starting from: $8.95
  • If you’ve run your AR hard on the range, competed in 3-Gun, or carried it for days, you know the value of a lightweight build. Strike Industries delivers on this with their Ultra Light Pivot / Take Down Pins, designed to shave weight without sacrificing durability. Precision CNC-machined from 7075 Aircraft Grade Billet Aluminum and hard anodized for longevity, these pins are built to last. Available in Black, Blue, Red, and FDE, they let you match or accent your AR-15 for a custom look. With 4.9 to 5-star ratings across firearm sites, these pins are a top choice for weight-conscious shooters. Plus, with the AR15Discounts.com Guarantee, you can return them within 30 days for a full refund if you're not satisfied. Ultra Light Pivot / Take Down Pins

    Strike Industries Ultra Light Pivot / Takedown Pins

    Starting from: $14.95