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55 of 55 Items
  • Sale
    Bravo Company AR-15 Trigger Assembly - PNT, Nickel

    Bravo Company AR-15 Trigger Assembly - PNT, Nickel

    It's time to get in the game with your AR's trigger. Two words: Bravo Company. And this is their PNT Trigger Assembly. Yeah, it's been given a nickel finish, but it doesn't stop there. The interacting surfaces of its parts have also been coated in...

    Was: $83.94
    Now: $69.95
  • Sale
    Single Stage Drop-In Trigger Single Stage Drop-In Trigger-2 Single Stage Drop-In Trigger-3 Single Stage Drop-In Trigger-4 Single Stage Drop-In Trigger-5

    Single Stage Drop-In Trigger

    The trigger or "fire control group" as it's officially called, is one of your AR's most basic parts. And sure, there are a ton of flavors out there from who knows how many brands ironically with several takes on what constitutes "mil-spec" that will all...

    Was: $191.99
    Now: $159.99
  • Sale
    MOE+® AR15/M4 Grip by Magpul® MOE+® AR15/M4 Grip by Magpul® MOE+® AR15/M4 Grip by Magpul®

    MOE+® AR15/M4 Grip by Magpul®

    Magpul® has absolutely built a name for themselves over the years with their aftermarket AR parts and add-ons. Take their MOE® grip for your AR. It feels excellent, the grip angle is lightyears ahead of the standard A2 grip your AR probably came...

    Was: $27.30
    Now: $22.75
  • Sale
    MIAD Mission Adaptable Grip by Magpul MIAD Mission Adaptable Grip by Magpul

    Magpul Adaptable Grip - MIAD Mission

    Got a preference for the way you think your AR grip should feel? Sure, anything but the original mil-spec grip, right? We hear ya. Fortunately for you, Magpul heard ya too. That's why there's the MIAD, the Mission Adaptable grip for your AR. It's just as...

    Was: $40.98
    Now: $34.15
  • Sale
    UTG PRO Ambidextrous Grip by Leapers, Inc. - UTG UTG PRO Ambidextrous Grip by Leapers, Inc. - UTG UTG PRO Ambidextrous Grip by Leapers, Inc. - UTG UTG PRO Ambidextrous Grip by Leapers, Inc. - UTG

    UTG PRO Ambidextrous Grip by Leapers, Inc.

    You deserve more out of an AR-15's grip than the standard A2 grip. This is the UTG PRO Ambidextrous Grip by Leapers Inc. UTG. Aside from polymer construction, it's been given excellent ergonomics to reduce fatigue, and so you can get a purchase between...

    Was: $17.96
    Now: $14.97
  • Sale
    MOE-K2® Grip – AR15/M4 by Magpul MOE-K2® Grip – AR15/M4 by Magpul-2

    Magpul MOE-K2® Grip – AR15/M4

    The Magpul MOE-K2 Grip offers a full size design that has a steeper vertical grip angle compared to the previous model, the MOE-K. With a steeper vertical grip angle, the shooter's hand is naturally positioned closer to the body which allows for proper...

    Was: $23.88
    Now: $19.90
  • Sale
    MOE+® Grip – AR15/M4 by Magpul

    MOE+® Grip – AR15/M4 by Magpul

    The Magpul MOE+ Grip has a reinforced rubber mold wrapping around the polymer body, allowing for maximal comfort and weapon control. This durable material prevents snags and damage, allowing this product to be dependable in rugged environments. The MOE+...

    Was: $27.30
    Now: $22.75
  • Sale
    Premium AR-15 Lower Parts Kit Premium AR-15 Lower Parts Kit 2 Premium AR-15 Lower Parts Kit 3 Premium AR-15 Lower Parts Kit 4

    Premium AR-15 Lower Parts Kit

    A lower parts kit is a key part to finishing your lower. It's one of the most important aspects of your AR-15 as far as quality is concerned. This lower parts kit offers all the parts needed to finish your stripped receiver. You'll also need an upper...

    Was: $77.99
    Now: $64.99
  • Sale
    Magpul® MOE® AR-15 Build Kit Magpul® MOE® AR-15 Build Kit 2 Magpul® MOE® AR-15 Build Kit 3 Magpul® MOE® AR-15 Build Kit 4 Magpul® MOE® AR-15 Build Kit 5

    Magpul® MOE® AR-15 Lower Build Kit

    We don't want to say this is the kit to end all kits, because that would be too cliché. So we'll just tell you this is the kit to end the lower half of your AR build. If you got your hands on a stripped lower and you're ready to build, this kit...

    Was: $161.99
    Now: $134.99
  • Sale
    SBA3 MOE Pistol Lower Build Kit

    SBA3 MOE Pistol Lower Build Kit

    Looking for a convenient way to complete your pistol-sized AR? Complete your AR-15 pistol build the right way with the SBA3 MOE Pistol Lower Build Kit! It features the quality SBA3 pistol brace by SB Tactical and an upgraded lower parts kit. This SBA3...

    Was: $263.99
    Now: $219.99
  • Sale
    AR-308 Lower Parts Kit - Spike's Tactical

    Spike's Tactical - AR-308 Lower Parts Kit

    The Spike's Tactical AR-308 Lower Parts Kit has a great fit and finish along with a military grade design that is built to last. This parts kit is meant to be used with Spike's Tactical's forged sets and may not be compatible with any other large frame...

    Was: $77.76
    Now: $64.80
  • Sale
    Magpul CTR® Carbine Stock – Mil-Spec Magpul CTR® Carbine Stock – Mil-Spec 2 Magpul CTR® Carbine Stock – Mil-Spec 3

    Magpul CTR® Carbine Stock – Mil-Spec

    The Magpul CTR Carbine Stock has a light, anti-snag, A-framed design that protects the latch from accidentally releasing, causing the stock to collapse down. The detachable rubber butt-pad prevents slippage when pressed against the shoulder along with...

    Was: $68.34
    Now: $56.95
  • Sale
    MOE® AR15/M4 Grip by Magpul

    MOE® AR15/M4 Grip by Magpul®

    Look, the AR-15 for how modular it is and how it can adapt to any situation, falls short in one key area: the grip is bad. Like real bad. There's no such thing as holding it right and being comfortable at the same time. The angle is horrible. The way an...

    Was: $22.79
    Now: $18.99
  • Sale
    ARH300 - Folding Stock Adapter by Sylvan Arms ARH300 - Folding Stock Adapter by Sylvan Arms ARH300 - Folding Stock Adapter by Sylvan Arms ARH300 - Folding Stock Adapter by Sylvan Arms ARH300 - Folding Stock Adapter by Sylvan Arms

    Sylvan Arms Folding Stock Adapter (ARH300)

    Set up your AR-15 to make it more easily stowable when you carry with you to the range. No more carrying around huge bulky rifle bags and cases. Make your rifle short enough to fit into something smaller. Shorten it for travel with the AR-15 and AR-9...

    Was: $179.99
    Now: $149.99
  • Sale
    Lower Parts Kit for .223/5.56 by Spike's Tactical

    Spike's Tactical Lower Parts Kit for .223/5.56

    The mil-spec lower parts kit is adequate. It does the job it was designed for. The trigger, hammer, disconnector, detents, springs, and roll pins are perfectly suited to the job of making your lower (and the rest of your AR) work as intended. As with the...

    Was: $86.35
    Now: $71.96
  • Sale
    RA-535 Advanced Performance Drop-In Trigger RA-535 Advanced Performance Drop-In Trigger RA-535 Advanced Performance Drop-In Trigger

    RA-535 Advanced Performance Drop-In Trigger

    Your search for the ultimate AR trigger means discovering a quality unit that eliminates the worst traits found on some triggers. You'll want to minimize take-up - that loose, dangly feeling you notice before putting pressure on your trigger...

    MSRP: $319.00
    Was: $310.80
    Now: $259.00
  • Sale
    PRS® GEN3 Precision-Adjustable Stock by Magpul

    Magpul PRS® GEN3 Precision-Adjustable Stock

    The Magpul PRS GEN3 Precision has Melonite coated steel shafts that protects against corrosion and wear, offering the ability to adjust the length of pull and the cheek piece via aluminum detent knobs. This stock includes a non-slip rubber butt-pad that...

    Was: $290.64
    Now: $242.20
55 of 55 Items

Finish or upgrade your stripped lower or fabricated 80% lower.

Finished your 80% lower? Grabbed a stripped receiver that you're ready to assemble? We've got you covered with all the AR lower assembly components you need -- or want to upgrade! Check out the mil-spec LPKs we have in stock. They work with all fabricated 80% units and every mil-spec "retail" lower on the market, including the various calibers you might own: 9mm, 5.56, .223, .308, 300 BLK and more.

Quality AR-15 Lower Parts, Triggers, and Kits

The stock AR trigger gets the job done, sure. But you can enjoy better shot placement and a more ergonomic grip with a few easy drop-in upgrades. We've partnered with Rise Armament, JMT, PSA, Hogue, and other top AR parts makers to offer up some of the best upgraded AR triggers and grips available for the AR platform. 

"How do I install my lower parts kit?"

Installing the lower parts kit in your stripped receiver or fabricated 80% lower is relatively easy. Some basic tools are required, which include:

Need help? Here's our detailed lower parts kit install guide!

"What parts do I need to finish my stripped lower?"

You'll need the following parts, which can all be found right on this page or by clicking the links below to filter products by type: 

Not sure what to buy? Here's our complete parts guide to building the AR-15.


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