SHIPPING SAME DAY OR NEXT BUSINESS DAY

phone: 888-310-0284

On Sale

134 of 134 Items
  • Sale
    6.5 Cal Rifle Cleaning Kit by Shooter's Choice 6.5 Cal Rifle Cleaning Kit by Shooter's Choice

    6.5 Cal Rifle Cleaning Kit by Shooter's Choice

    Since you own and shoot your .243 or 6.5 caliber rifle a lot, then it needs regular attention to keep it in good working order. One of the easiest ways to make sure your AR stays functional is to keep it clean. Do so with the 6.5 Cal Rifle Cleaning Kit...

    Was: $24.99
    Now: $18.97
    Add to Cart
  • Sale
    .22 Cal Rifle Cleaning Kit by Shooter's Choice .22 Cal Rifle Cleaning Kit by Shooter's Choice

    .22 Cal Rifle Cleaning Kit by Shooter's Choice

    If you shoot your .223 or 5.56 AR rifle a lot, then it needs regular attention to keep it in good working order. One of the easiest ways to make sure your AR stays functional is to keep it clean. Do so with the Shooter's Choice .22 Cal Rifle Cleaning Kit...

    Was: $26.99
    Now: $18.97
    Add to Cart
  • Sale
    Glock® 43 Compatible Lower Parts Kit

    Glock® 43 Compatible Lower Parts Kit

    If you're planning to build a Glock® 43 compatible pistol, we commend your initiative. During the process, you'll need a lower parts kit. We're here to help you out. This Glock® 43 compatible lower parts kit comes with everything you need to turn...

    Was: $64.99
    Now: $39.97
    Out of stock
  • Sale
    Glock® 21 Compatible RMR Cut Slide - .45acp Glock® 21 Compatible RMR Cut Slide - .45acp 2 Glock® 21 Compatible RMR Cut Slide - .45acp 3 Glock® 21 Compatible RMR Cut Slide - .45acp 4 Glock® 21 Compatible RMR Cut Slide - .45acp 5

    Glock® 21 Compatible RMR Cut Slide - .45 ACP

    Gen 3 compatible. RMR optic-cut. Ready for your PF45 build. Completing a Polymer80 frame? Ready to upgrade your Gen 3 GLOCK® 21 and throw a red dot on it? This Glock® 21-Compatible, RMR-cut slide is the ticket. It's cut from 416R stainless,...

    Was: $169.99
    Now: $149.97
    Out of stock
  • Sale
    AR15 A2 Birdcage Flash Hider by Aero Precision

    AR15 A2 Birdcage Flash Hider by Aero Precision

    If you plan to build your own AR-15, and you don't intend to use any specialized type of muzzle device, then the Aero Precision AR15 A2 Birdcage Flash Hider is a good direction in which to head. While it won't outright beat out any specialized muzzle...

    Was: $10.00
    Now: $5.97
    Out of stock
  • Sale
    M-LOK® MVG® Vertical Grip by Magpul

    Magpul® M-LOK® MVG® Vertical Grip

    The Magpul M-LOK MVG Vertical Grip is a reinforced hard polymer material that attaches directly to M-LOK handguards and forends. The aggressive TSP texture and lightweight design allows for optimal control in any harsh climate.  Additional...

    Was: $22.95
    Now: $17.97
    Out of stock
  • Sale
    Gun Nuts® Sporter Fire Control Group Gun Nuts® Sporter Fire Control Group Gun Nuts® Sporter Fire Control Group Gun Nuts® Sporter Fire Control Group

    Gun Nuts® Sporter Fire Control Group

    Includes a notched hammer for unshrounded BCGs. The Sporter Fire Control Group from Gun Nuts provides a modern, mil-spec reproduction of the old Colt and Bushmaster "notched" hammers, to ensure reliable cycling with unshrounded bolt carrier groups. All...

    Was: $40.99
    Now: $29.97
    Out of stock
  • Sale
    Nitride & Ported 9mm Barrel for Full-size P320™ w/ 4.7" Slide Nitride & Ported 9mm Barrel for Full-size P320™ w/ 4.7" Slide

    Nitride Ported Barrel for Full-Size Sig P320™ (9mm)

    Reduce your P320's™ recoil and stay on target. When paired with the Full-Size Ballistic Diffusion/Emission (B.D.E.) Slide from KMT, this ported P320™ barrel offers significant recoil reduction and muzzle rise, allowing you to maintain your...

    Was: $129.99
    Now: $84.97
    Out of stock
  • Sale
    Bushnell AR Optics Engulf Micro Reflex Red Dot Sight Bushnell AR Optics Engulf Micro Reflex Red Dot Sight 2 Bushnell AR Optics Engulf Micro Reflex Red Dot Sight 3 Bushnell AR Optics Engulf Micro Reflex Red Dot Sight 4 Bushnell AR Optics Engulf Micro Reflex Red Dot Sight 5

    Bushnell AR Optics Advance Micro Reflex Sight

    Pistol- and AR-compatible. Perfect for close quarters. The Advance Micro Reflex Sight is the Bushnell AR Optics family's smallest, lightest red dot and packs big performance into a compact package. It projects a 5-MOA dot through rugged optics, and is...

    Was: $149.99
    Now: $119.97
  • Glock® 21 Compatible Complete Slide w/ RMR Cut Slide Glock® 21 Compatible Complete Slide w/ RMR Cut Slide Glock® 21 Compatible Complete Slide w/ RMR Cut Slide Glock® 21 Compatible Complete Slide w/ RMR Cut Slide Glock® 21 Compatible Complete Slide w/ RMR Cut Slide

    Glock® 21 Compatible Complete Slide w/ RMR Cut Slide

    The "OEM+" kit for upgrading your .45 ACP pistol to an optic-ready slide. This Glock® 21-compatible slide kit includes an "OEM+" slide: It sports a nearly factory fit and finish, but with some key upgrades and improvements. It's precision-milled from...

    $369.99 - $389.99
    Out of stock
  • Glock® 21 Compatible Pistol Build Kit w/ RMR Cut Slide Glock® 21 Compatible Pistol Build Kit w/ RMR Cut Slide Glock® 21 Compatible Pistol Build Kit w/ RMR Cut Slide Glock® 21 Compatible Pistol Build Kit w/ RMR Cut Slide Glock® 21 Compatible Pistol Build Kit w/ RMR Cut Slide

    Glock® 21 Compatible Pistol Build Kit w/ RMR Cut Slide

    The "OEM+" kit for building an optic-ready .45 ACP pistol. This Glock® 21-compatible build kit includes an "OEM+" slide -- it sports a nearly factory fit and finish, but with some key upgrades and improvements: It's precision-milled from heat-treated...

    $439.99 - $459.99
    Out of stock
134 of 134 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