AR-15 Parts

AR-15 Parts

Shop our extensive inventory of AR-15 parts and modern sporting rifle components. From fully assembled upper receivers to enhanced lower parts kits. 

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • LMT Defense - 5.56mm 11.5" Chrome Lined MRP Barrel Assembly - #L7TA1B - 815415015002 - Boss Firearms - BossFirearms.com

    LMT Defense - 5.56mm 11.5" Chrome Lined MRP Barrel Assembly - L7TA1B

    LMT Defense

    $554.40
    The LMT Defense 11.5" Chrome Lined 5.56mm MRP Barrel Assembly (L7TA1B) is engineered specifically for LMT's Monolithic Rail Platform (MRP) upper receivers. This 11.5-inch, 5.56×45 (.223) barrel features a 1:7" right-hand rifling twist, low-profile gas...
    $554.40
    Qty in Cart: 0
    Quantity:
    Price:
    $554.40
    Subtotal:
  • Out of stock
    On Sale
    LMT Defense - 5.56 lower parts kit w/trigger - LM556LPK - 815415016559 - Boss Firearms - BossFirearms.com

    LMT Defense - 5.56 lower parts kit w/trigger - LM556LPK

    LMT Defense

    Now: $313.20
    Was: $322.65
    Complete your build with only the best lower parts kit available. This is the same kit that LMT’s world famous weapons are built with so why wouldn’t you want it in your rifle? 100% American Made Includes: Trigger guard assembly Magazine...
    Now: $313.20
    Was: $322.65
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $313.20
    Was: $322.65
    Subtotal:
  • Out of stock
    Sig Sauer - MCX/MPX Folding Stock - Minimalist Plus - Black - STOCK-X-FOLD-PLUS-BLK - Boss Firearms - BossFirearms.com

    Sig Sauer - MCX/MPX Folding Stock - Minimalist Plus - Black - #STOCK-X-FOLD-PLUS-BLK

    Sig Sauer

    $199.99
    SIG SAUER factory aluminum minimalist plus, folding stock installs easily on your MCX/MPX via the receiver's 1913/picatinny interface. Overall length - 9"Overall height - 4.5"Butt-pad width - .9" Weight - 12.3oz CAUTION: Many States and localities...
    $199.99
    Qty in Cart: 0
    Quantity:
    Price:
    $199.99
    Subtotal:
  • Out of stock
    On Sale
    Knight's Armament - M4/M5 RAS Hardware Kit - 30450 - 819064011026 - Boss Firearms - BossFirearms.com

    Knight's Armament - M4/M5 RAS Hardware Kit - 30450

    Knights Armament Company

    Now: $33.17
    Was: $34.92
    The KAC Medium URX II free floating forend features an integral, flip-up front sight assembly that folds flush with the continuous top rail when not in use, creating a seamless look. Full length mil-spec M1913 Picatinny rails are located at the 3-, 6-,...
    Now: $33.17
    Was: $34.92
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $33.17
    Was: $34.92
    Subtotal:
  • Out of stock
    BT Atlas - PSR Atlas Bipod Standard Height w/ADM 17-S lever - BT46-LW17 - Boss Firearms - BossFirearms.com BT Atlas - PSR Atlas Bipod Standard Height w/ADM 17-S lever - BT46-LW17 - Boss Firearms - BossFirearms.com

    BT Atlas - PSR Atlas Bipod Standard Height w/ADM 17-S lever - BT46-LW17

    BT Atlas

    $459.95
    The BT46-LW17 PSR (Precision Sniper Rifle) Atlas Bipod mounts directly to any 1913 style Picatinny rail via the included ADM-170-S lever. It is comprised of 6061-T6 aluminum, except the strengthened inner legs which are made from 7075-T6 aluminum...
    $459.95
    Qty in Cart: 0
    Quantity:
    Price:
    $459.95
    Subtotal:
  • BT Atlas - V8 Atlas Bipod - BT10-NC - Boss Firearms - BossFirearms.com BT Atlas - V8 Atlas Bipod - BT10-NC - Boss Firearms - BossFirearms.com

    BT Atlas - V8 Atlas Bipod - BT10-NC

    BT Atlas

    $299.95
    The BT10-NC V8 Atlas Bipod “No Clamp” model has a two hole pattern of 1.100” with the holes being 10/32 threads. It requires any 17S size lever style mount such as the ADM-170-S, ARMS 17S, LT271 or any ARCA dovetail mount with the...
    $299.95
    Qty in Cart: 0
    Quantity:
    Price:
    $299.95
    Subtotal:
  • Out of stock
    BT Atlas - 5-H Atlas Bipod - BT35-LW17 - Boss Firearms - BossFirearms.com BT Atlas - 5-H Atlas Bipod - BT35-LW17 - Boss Firearms - BossFirearms.com

    BT Atlas 5-H Atlas Bipod - BT35-LW17

    BT Atlas

    MSRP: $504.95
    $429.21
    Since B&T Industries introduced the Atlas Bipod in 2006, the shooting community found a usefulness in its patented, novel features. We began receiving requests for a “bigger,” “heavier,” “stouter” bipod with the...
    MSRP: $504.95
    $429.21
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $504.95
    $429.21
    Subtotal:
  • Out of stock
    On Sale
    BT Atlas - PSR Atlas Bipod Tall No Clamp - BF-BT47-NC - Boss Firearms - BossFirearms.com BT Atlas - PSR Atlas Bipod Tall No Clamp - BF-BT47-NC - Boss Firearms - BossFirearms.com

    BT Atlas - PSR Atlas Bipod Tall No Clamp - BF-BT47-NC

    BT Atlas

    Now: $263.46
    Was: $309.95
    The BT47-NC PSR (Precision Sniper Rifle) Atlas Bipod “No Clamp” model has a two hole pattern of 1.100” with the holes being 10/32 threads. It requires any 17S size lever style mount to include the ADM-170-S, ARMS 17S, TRAMP from...
    Now: $263.46
    Was: $309.95
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $263.46
    Was: $309.95
    Subtotal:
  • Out of stock
    Sons of Liberty Gun Works - A5 Receiver Extension - Buffer Tube - 9 Position - Fits AR Rifles - Black - #L9A5RE - Bossfirearms.com Sons of Liberty Gun Works - A5 Receiver Extension - Buffer Tube - 9 Position - Fits AR Rifles - Black - #L9A5RE - Bossfirearms.com

    SONS OF LIBERTY GUN WORKS - A5 RECEIVER EXTENSION - BUFFER TUBE - #L9A5RE

    Sons of Liberty Gunworks

    MSRP: $55.00
    $52.25
    Whether your upgrade your existing AR-15 or starting a new firearm, the Loyal 9 A5 receiver extension will fit the bill and then some! With a 9 position design, the Loyal 9 A5 receiver extension will provide the user with the correct fit for them. 9...
    MSRP: $55.00
    $52.25
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $55.00
    $52.25
    Subtotal:
  • Out of stock
    Sons of Liberty Gun Works - Liberty Charging Handle 5.56NATO - LCH-5.56 - 785939519389 - Boss Firearms - BossFirearms.com

    Sons of Liberty Gun Works - Liberty Charging Handle 5.56NATO - #LCH-5.56

    Sons of Liberty Gunworks

    $100.00
    The Sons of Liberty Gun Works Liberty Charging Handle offers exceptional functionality and versatility for both 223 Remington and 5.56NATO rifles. Crafted with an ambidextrous design, this charging handle ensures seamless operation for both left and...
    $100.00
    Qty in Cart: 0
    Quantity:
    Price:
    $100.00
    Subtotal:
  • Out of stock
    On Sale
    Magpul PRS GEN3 Precision-Adjustable Stock Fits AR-15/AR-10 - MAG672-BLK - 840815109594 - Boss Firearms - BossFirearms.com

    Magpul PRS GEN3 Precision-Adjustable Stock Fits AR-15/AR-10 - Black #MAG672-Blk

    Magpul Industries

    MSRP: $259.95
    Now: $246.95
    Was: $259.95
    The PRS GEN3 is a field precision stock for AR15/M16 and AR10/SR25 platforms, featuring tool-less length of pull and cheek piece height adjustment. With solid adjustments for length of pull and cheek piece height via aluminum detent knobs, the PRS GEN3...
    MSRP: $259.95
    Now: $246.95
    Was: $259.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $259.95
    Now: $246.95
    Was: $259.95
    Subtotal:
  • Out of stock
    On Sale
    Sig Sauer - Tango MSR Rifle Scope - SOTM11202 - 798681676934 - Boss Firearms - BossFirearms.com Sig Sauer - Tango MSR Rifle Scope - SOTM11202 - 798681676934 - Boss Firearms - BossFirearms.com

    Sig Sauer - Tango MSR Rifle Scope - #SOTM11202

    Sig Sauer

    Now: $699.99
    Was: $879.99
    Introducing the TANGO-MSR line of riflescopes in Coyote Tan by Sig Sauer. Featuring industry leading light transmission and optical clarity low power variable optics loaded with standard features and offered at an incredible value. These new models...
    Now: $699.99
    Was: $879.99
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $699.99
    Was: $879.99
    Subtotal:
  • Total: items /

Adding your products to cart