Loading...

No Sales Tax Outside of Indiana

Account
Gun Parts

Gun Parts

Shop our selection of gun parts from top brands like Gemtech, Cold Steel, Carlsons Choke Tubes, Bayco, and Aim Sports. Summit Firearms carries quality, reliable gun parts built for hobbyist gunsmiths, custom builders, and shooters looking to upgrade, repair, or maintain their firearms. From triggers and barrels to grips, stocks, and small components, we stock a wide range of parts to keep your guns running smoothly and tailored to your preferences. Explore our rifle parts, handgun parts, and shotgun parts to find the right components for your next build or upgrade. Round out your kit with magazines, scopes sights and optics, and ammunition options like rifle ammunition, handgun ammunition, and shotgun shells from our full lineup.

Showing 321–336 of 11498 results

Gun Parts Buying Guide

Shop gun parts at Summit Firearms and find the components you need to maintain, repair, or upgrade your handgun, rifle, or shotgun. From AR-15 upper and lower parts and complete AR build components to Glock upgrade parts and AK platform components, our Fort Wayne selection covers the most popular firearms platforms in use across Northeast Indiana and keeps your collection running at peak performance through every hunting season and range session.

Explore the full gun parts lineup at Summit Firearms and find exactly what your build or upgrade requires:

  • AR-15 parts: Source complete AR-15 parts kits, small parts, and platform-specific components covering triggers, grips, stocks, buffer systems, and the full range of AR-15 specific hardware needed to build, maintain, or upgrade your platform.
  • AR lower parts: Find trigger groups, lower parts kits, pistol grips, stocks, buffer tubes, and other components for completing or upgrading the lower half of your AR-15 or AR-10 build, the foundation of your rifle’s ergonomics and trigger performance.
  • AR upper parts: Browse handguards, bolt carrier groups, charging handles, gas blocks, barrels, and other upper assembly components to build, upgrade, or maintain the top half of your AR-platform rifle for peak reliability and accuracy.
  • Glock parts: Upgrade or maintain your Glock pistol with quality replacement and aftermarket components including triggers, slides, barrels, sights, and internal parts for one of the most widely owned and carried handgun platforms in Indiana.
  • AK parts: Keep your AK-pattern rifle running reliably with quality replacement and upgrade components including furniture, trigger groups, and platform-specific hardware for the most popular AK configurations in use today.

Local And Compliance Notes

Summit Firearms is the trusted firearms dealer in Fort Wayne, Indiana, and serves customers in the nearby cities of New Haven and Huntertown. All firearm purchases at Summit Firearms are conducted in full compliance with federal and Indiana state law, including ATF Form 4473 and a NICS background check for every firearm sale. Indiana follows all applicable federal regulations governing the purchase and transfer of firearms and related products.

Most gun parts are unregulated accessories that do not require a background check to purchase, but certain components are legally defined as firearms under federal law and require the same transfer process as a complete firearm. Serialized receivers and frames, including AR-15 lower receivers and pistol frames, require ATF Form 4473 and a NICS background check at the point of purchase. Buyers of serialized components must meet all applicable federal and Indiana state eligibility requirements. Indiana enacted constitutional carry in 2022, and all completed builds remain subject to all applicable federal and Indiana firearms laws regardless of carry permit status.

Indiana residents should be aware that assembling certain regulated firearm configurations from parts without prior ATF approval, such as a short-barreled rifle or short-barreled shotgun, is a federal felony regardless of whether individual parts are legal on their own. Contact Summit Firearms for guidance on parts compatibility, legal build requirements, and upgrade recommendations for your specific platform before starting any build or modification project.

Frequently Asked Questions About Gun Parts

1. What gun parts does Summit Firearms carry?

+

Summit Firearms carries a range of gun parts covering AR-15 and AR-10 platform builds, Glock pistol upgrades, and AK-pattern rifle components. Available items include AR lower parts kits, AR upper components, bolt carrier groups, handguards, Glock triggers, slides, barrels, sights, and AK furniture and internal components for the most popular firearms platforms in use today. Stop in or check online for current parts inventory.

2. Do gun parts require a background check in Indiana?

+

Most gun parts do not require a background check, as they are unregulated accessories under federal law. However, serialized components legally defined as firearms, including AR-15 lower receivers and pistol frames, require ATF Form 4473 and a NICS background check at the point of sale. Non-serialized parts such as triggers, barrels, handguards, stocks, and slides do not require a background check. Buyers of serialized components must meet all applicable federal and Indiana eligibility requirements.

3. What AR-15 lower parts does Summit Firearms carry?

+

Summit Firearms carries AR lower parts including trigger groups, lower parts kits, pistol grips, stocks, buffer tubes, buffer systems, and other components for completing or upgrading the lower half of an AR-15 or AR-10 build. Whether you are assembling a new AR from scratch or replacing worn factory components, our lower parts selection covers the most common AR configurations in use across Northeast Indiana. Stop in or contact Summit Firearms for current lower parts inventory.

4. What AR upper parts does Summit Firearms carry?

+

Summit Firearms carries AR upper parts including bolt carrier groups, charging handles, handguards, gas blocks, gas tubes, and other components for completing or upgrading the upper half of an AR-platform rifle. Quality upper components directly impact your AR’s reliability, accuracy, and handling characteristics. Whether you are building a dedicated range AR or upgrading a home defense build, stop in or contact Summit Firearms to check current upper parts inventory for your specific caliber and configuration.

5. What Glock parts and upgrades does Summit Firearms carry?

+

Summit Firearms carries Glock parts and aftermarket components for popular Glock models, including triggers, slides, barrels, sights, and internal parts. Glock pistols are among the most widely owned and carried handguns in Indiana, and quality aftermarket components can meaningfully improve trigger feel, accuracy, and ergonomics for carry and competition use. Whether you are upgrading a Glock for everyday carry or competition, the staff at Summit Firearms can help you find compatible parts for your specific model.

6. Can I build my own AR-15 using parts from Summit Firearms?

+

Yes, provided all components comply with applicable federal and Indiana state law. The lower receiver is the serialized component legally defined as the firearm under federal law and requires a background check at the point of purchase. All other components including uppers, barrels, handguards, triggers, and small parts are unregulated. Any completed build must meet all federal requirements, including minimum barrel length to avoid NFA classification as a short-barreled rifle. Contact Summit Firearms for guidance on legal build requirements before starting your project.

7. What AK parts does Summit Firearms carry?

+

Summit Firearms carries AK platform parts including furniture, trigger components, and other replacement and upgrade parts for popular AK-pattern rifles. Whether you are replacing worn components or upgrading your AK’s ergonomics and controls, our AK parts selection covers the most common needs across popular AK configurations chambered in 7.62x39mm and other calibers. Stop in or contact Summit Firearms to check current AK parts inventory for your specific platform.

8. Are there any gun parts that are illegal to own in Indiana?

+

Indiana follows federal law on regulated firearm components with no additional state-level restrictions. Parts regulated under the National Firearms Act, including automatic sears and other NFA-controlled items, require ATF registration, a $200 tax stamp, and approval before possession. Assembling an unregistered short-barreled rifle, short-barreled shotgun, or machine gun from otherwise legal parts is a federal felony regardless of whether the individual parts are legal on their own. Contact Summit Firearms or consult a qualified attorney if you have questions about specific parts or build projects before proceeding.

Are you 18+?

You must be 18 or older to enter this site

Yes, I am 18+