SHIPPING SAME DAY OR NEXT BUSINESS DAY

phone: 888-310-0284

On Sale

90 of 257 Items
  • Sale
    Government Model 5" FS - 10mm Parkerized Government Model 5" FS - 10mm Parkerized 2 Government Model 5" FS - 10mm Parkerized 3 Government Model 5" FS - 10mm Parkerized 4 Government Model 5" FS - 10mm Parkerized 5

    Full-Sized 5" 1911 Barrel - 10mm

    MOA accuracy for your classic 10mm (without breaking the bank). This classic Parkerized 5" 1911 barrel provides the perfect solution for an affordable, quality, accurate barrel. It includes all the fixtures needed to drop in and run, without added...

    Was: $64.99
    Now: $49.97
    Add to Cart
  • 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: $74.99
    Now: $57.97
    Add to Cart
  • Sale
    Bushnell RSX-100 Reflex Sight Bushnell RSX-100 Reflex Sight 2 Bushnell RSX-100 Reflex Sight 3

    Bushnell RXS-100 Reflex Sight

    A red dot small and tough enough for any pistol. Bushnell must've gotten tired of seeing $500-and-up micro red dots, because their RXS-100 Reflex Sight kicks ass. It's incredibly compact but rugged enough for big handgun calibers. It'll fit any rifle's...

    Was: $98.99
    Now: $89.97
    Add to Cart
  • Sale
    Real Avid Handgun Cleaning Mat - Smart

    Real Avid Handgun Cleaning Mat - Smart

    When it comes to maintenance, upgrades, and cleaning your sidearm, you have your tool situation handled. That's a great start. Now you need a regular and consistent place to do your work. Whether you choose the work bench out in the garage or the kitchen...

    Was: $24.99
    Now: $12.97
    Add to Cart
  • Sale
    .40 Cal Pistol Cleaning Kit by Shooter's Choice .40 Cal Pistol Cleaning Kit by Shooter's Choice

    .40 Cal Pistol Cleaning Kit by Shooter's Choice

    If you frequently give your .40 cal pistol a workout, then it needs regular attention to keep it in good working order. One of the easiest ways to make sure your sidearm stays operational is to keep it clean. Do so with the .40 Cal Pistol Cleaning Kit...

    Was: $21.99
    Now: $14.97
    Add to Cart
  • Sale
    9mm Pistol Cleaning Kit by Shooter's Choice

    9mm Pistol Cleaning Kit by Shooter's Choice

    If you frequently give your 9mm pistol a good workout, then it needs regular attention to keep it in good working order. One of the easiest ways to make sure your sidearm stays operational is to keep it clean. Do so with the 9mm Pistol Cleaning Kit from...

    Was: $21.99
    Now: $14.97
    Add to Cart
  • Sale
    P320™ Upper Parts Kit P320™ Upper Parts Kit P320™ Upper Parts Kit P320™ Upper Parts Kit P320™ Upper Parts Kit

    P320™ Upper Parts Kit

    Finish your custom 9mm P320™ slide. This quality, OEM-spec P320™ upper parts kit provides the internals necessary for assembling your custom P320™ slide. It's also compatible with factory slides, allowing you swap components as needed...

    $63.97 - $89.97
    Choose Options
  • Sale
    Glock® 21 Compatible Barrel Glock® 21 Compatible Barrel Glock® 21 Compatible Barrel Glock® 21 Compatible Barrel

    Glock® 21 Compatible Barrel

    Top-tier performance at an unbeatable price For consistent cycling and optimal accuracy across all .45 ACP loads, relying on factory-spec components such as this DLC-coated, G21-compatible barrel is a wise choice. Barrel Compatibility This barrel fits...

    Was: $79.99
    Now: $69.97
    Add to Cart
  • Sale
    GLOCK® 21 Compatible Stainless Steel Fluted Barrel 4 GLOCK® 21 Compatible Stainless Steel Fluted Barrel 5 GLOCK® 21 Compatible Stainless Steel Fluted Barrel 6 GLOCK® 21 Compatible Stainless Steel Fluted Barrel GLOCK® 21 Compatible Stainless Steel Fluted Barrel 2

    GLOCK® 21 Compatible Stainless Steel Fluted Barrel

    GLOCK® 21 and P80 compatible. Fluted for weight savings. Fully polished stainless. There's a lot of quality packed into this little G21-compatible barrel. It's been forged from high-quality 416R stainless steel, cut and fluted to reduce weight, then...

    Was: $99.99
    Now: $84.97
    Add to Cart
  • Sale
    PSA 9MM SBA3 MOE EPT Pistol Lower Assembly Kit 1 PSA 9MM SBA3 MOE EPT Pistol Lower Assembly Kit 2 PSA 9MM SBA3 MOE EPT Pistol Lower Assembly Kit 3 PSA 9MM SBA3 MOE EPT Pistol Lower Assembly Kit 4 PSA 9MM SBA3 MOE EPT Pistol Lower Assembly Kit 5

    PSA 9MM SBA3 MOE EPT Pistol Lower Assembly Kit

    Here's the one-stop-shop for building a highly efficient and ergonomic lower for your next AR-9 pistol. This ensemble features parts from some of the best brands out there. First of all, you get the Magpul MOE trigger guard and pistol that will make...

    Was: $319.99
    Now: $179.97
    Add to Cart
  • Sale
    Luth AR Charging Handle - .308

    Luth AR Charging Handle - .308

    The standard .308 from Luth-AR. Made from the lightweight yet durable 6061-T6 aluminum and anodized black, not just for looks, but for protection against corrosion. Perfect for you .308 rifle! Features 6061-T6 Aluminum Anodized Black Compatible with ...

    Was: $29.99
    Now: $18.97
    Add to Cart
  • Sale
    Sightmark 3-9X40 Riflescope - Core HX VHR Venison Hunter 4 Sightmark 3-9X40 Riflescope - Core HX VHR Venison Hunter Sightmark 3-9X40 Riflescope - Core HX VHR Venison Hunter 2 Sightmark 3-9X40 Riflescope - Core HX VHR Venison Hunter 5 Sightmark 3-9X40 Riflescope - Core HX VHR Venison Hunter 6

    Sightmark 3-9X40 Riflescope - Core HX VHR Venison Hunter

    Your best companion for that big Whitetail downrange. The Sightmark Core VHR Venison is tailor-made for the deer hunter, providing a wide range of magnification (3x to 9x) and a generous field of view at any magnification. The Core VHR Venison also comes...

    Was: $149.95
    Now: $89.97
    Add to Cart
  • 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: $74.99
    Now: $64.97
    Add to Cart
  • Sale
    NiB-X Lower Parts Kit, Mod 3 by WMD Guns

    WMD Guns NiB-X Lower Parts Kit, Mod 3

    You know, you can get more out of your AR shooting experience even just by making minor changes to your AR's lower parts kit. This lower parts kit by WMD Guns is mil-spec save for one detail: the trigger, hammer, and disconnector have all been coated in...

    Was: $95.99
    Now: $79.97
    Add to Cart
  • Sale
    AR-15 Lower Parts Kit Without Trigger - Spike's Tactical

    AR-15 Lower Parts Kit Without Trigger - Spike's Tactical

    The Spike's Tactical AR-15 Lower Parts Kit is made out of top of the line parts that don't compare to others on the market, allowing users to attain the most longevity. This LPK includes a Mil-Spec bolt catch, mag catch, mag catch button, Mil-Spec...

    Was: $114.99
    Now: $99.97
    Add to Cart
  • Sale
    Samson Fixed Front Sight (HK) Samson Fixed Front Sight (HK) 2

    Samson Fixed Front Sight (HK)

    Durable, lightweight, classic H&K-type iron sight. The Samson Fixed Front Sight is arguably a better front sight post than the USGI front post. And yet, the A2-type front sights off most M16s and M4s can't be beat. So, why not pair them up? That's...

    Was: $56.65
    Now: $34.97
    Add to Cart
  • Sale
    Magpul M-LOK® QD Sling Mount Magpul M-LOK® QD Sling Mount 2 Magpul M-LOK® QD Sling Mount 3 Magpul M-LOK® QD Sling Mount 4 Magpul M-LOK® QD Sling Mount 5

    Magpul® M-LOK® QD Sling Mount

    The Magpul M-LOK QD Sling Mount is manufactured from a durable Mil-Spec anodized aluminum, that is a lightweight anti-swivel design offering beveled edges to prevent snagging and rotation. The M-LOK QD Sling Mount provides a forward attachment point...

    Was: $19.95
    Now: $15.97
    Add to Cart
  • Sale
    M-LOK® Hand Stop Kit by Magpul

    M-LOK® Hand Stop Kit by Magpul®

    The Magpul M-LOK Hand Stop Kit has a low profile, lightweight design for enhanced weapon control. The M-LOK index point has a forward stop that restricts the shooter's hand from sliding towards the muzzle or front sight assembly, protecting from possible...

    Was: $24.95
    Now: $21.97
    Add to Cart
  • Sale
    ACT Advanced Combat Trigger by ALG Defense

    ACT Advanced Combat Trigger by ALG Defense

    Got an preference for AR builds reminiscent of those from a previous era? We do too. But like us, you're probably just not a fan of the mil-spec trigger. It's gritty and has a rough pull, and it generally feels like crap. But there's a way to keep that...

    Was: $79.00
    Now: $69.97
    Add to Cart
90 of 257 Items
!

We are a national retailer of individual components and not all products depicted on this website are legal in every state. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, District of Columbia, Hawaii, New Jersey, New York, Rhode Island, and Washington). The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative.

© 2026 Gun Builders Depot All rights reserved. | Sitemap