Gun parts are used to repair, maintain, upgrade, customize, or complete a firearm - AR-platform firearms, and other common firearm setups, including replacement parts, build parts, small parts, stocks, grips, triggers, muzzle devices, pins, springs, rails, mounts, and other firearm-related components.
The right parts can help keep a firearm serviceable, easier to use, and better suited for training, home defense, hunting, recreational shooting, or general ownership.
Before ordering, always confirm the part is compatible with your firearm’s make, model, caliber, generation, and configuration. Some parts may require proper tools, installation knowledge, or a qualified gunsmith for safe and correct installation.
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Spike's Tactical Stripped Upper/Lower Set – GAD FDE (AR-15 Platform)
Spike's Tactical$595.00Looking to build a complete AR-15 from the ground up? The Spike’s Tactical stripped upper and lower receiver set in GAD FDE delivers unmatched precision, durability, and sleek aesthetics in one perfectly matched package. Coated in Flat Dark Earth... -
Spike's Tactical Spartan Stripped Lower Receiver – AR-15 Multi-Caliber
Spike's Tactical$107.10The Spike's Tactical Spartan Stripped Lower Receiver is a premium foundation for building a custom AR-15 rifle, combining durability, precision machining, and a distinctive Spartan design. Manufactured from high-strength 7075-T6 aluminum, this lower... -
Spike's Tactical STLS030 Snowflake Stripped Lower 556/223 Black
Spike's Tactical$129.60Spike's Tactical, STLS030 Snowflake, Stripped Lower, Semi-automatic, 223 Remington/556NATO, Black, Color Filled Snowflake Lower Color Filled 7075 T6 Forged Receiver Multi-Caliber MIL-A-8625F Type III Class 2 Hard Coat Anodized Finish Product... -
Spike's Tactical Stripped Lower Punisher 556/223 Black
Spike's Tactical$120.60Spike's Tactical, Stripped Lower, Punisher, Color Filled, Semi-automatic, 223 Remington/556NATO, Black Punisher Lower Color Filled 7075 T6 Forged Receiver Multi-Caliber MIL-A-8625F Type III Class 2 Hard Coat Anodized Finish Product... -
Noveske Chainsaw N4 556/223 Black Complete Lower
Noveske$680.00Noveske, Chainsaw, Lower, N4, 223 Rem/556NATO, Black Finish, Complete Lower, H2 Buffer, MOE SL Blkac Stock, MOE K2 Black Grip, ALG Trigger Specifications UPC 840906133552 Manufacturer Noveske Manufacturer Part... -
Aero Precision M4E1 PRO Complete Lower Receiver 556/223 Kodiak Brown
Aero Precision / Aero Precision is temporarily unavailable - Company is currently restructuring$479.99The M4E1 PRO Lower Receiver seamlessly integrates ambidextrous controls into the M4E1 Lower that allows for the shooter to easily operate the bolt catch, magazine release, and safety without modifying their dominant firing hand. Aero Precision, M4E1... -
Aero Precision M4E1 PRO Complete Lower Receiver 556/223 ODG
Aero Precision / Aero Precision is temporarily unavailable - Company is currently restructuring$479.99M4E1 PRO Complete Lower Receiver w/ MOE Grip & SL Carbine Stock – OD Green Anodized SKU: APAR600195Finish: OD Green AnodizedPlatform / Series: M4E1 / M4E1Receiver Extension: CarbineShipping: FFL Dealer RequiredMade in America: Yes The M4E1 PRO... -
Spike's Tactical STLS019 Spider Stripped Lower 556/223 Black
Spike's Tactical$120.60Spike's Tactical stripped lowers are made to the highest standards. If you are planning a build or just putting lowers away for a rainy day you can't go wrong with Spike's lower receivers. Spike's Tactical, STLS019 Spider, Stripped Lower,... -
Aero Precision M4E1 PRO Stripped Lower Receiver 5.56/.223 – Kodiak Brown
Aero Precision / Aero Precision is temporarily unavailable - Company is currently restructuring$316.00Build a modern AR-15 from the ground up with the Aero Precision M4E1 PRO Stripped Lower Receiver in Kodiak Brown. This premium ambidextrous lower takes the proven M4E1 footprint and upgrades it with mirrored controls, enhanced ergonomics, and a rugged... -
Aero Precision M4E1 PRO Stripped Lower Receiver – 5.56/.223 (OD Green)
Aero Precision / Aero Precision is temporarily unavailable - Company is currently restructuring$316.00The Aero Precision M4E1 PRO Stripped Lower Receiver in OD Green delivers enhanced strength, improved ergonomics, and Aero’s signature PRO forging profile for superior durability. Featuring an integrated trigger guard, flared magwell, and threaded... -
Aero Precision M4E1 PRO Stripped Lower Receiver – 5.56/.223 (Black)
Aero Precision / Aero Precision is temporarily unavailable - Company is currently restructuring$269.99The Aero Precision M4E1 PRO Stripped Lower Receiver is engineered for builders who demand superior strength, precision machining, and streamlined assembly. Featuring Aero’s enhanced M4E1 PRO forging, integrated trigger guard, flared magwell, and... -
Doublestar Stripped Lower STAR-15 556/223
Doublestar$94.99Doublestar Corp. makes high quality firearm components for the AR Platform. This stripped lower is the perfect base for your next custom AR build. Doublestar Corp., Stripped Lower, STAR-15, Semi-automatic, 223 Remington/5.56 NATO, Anodized Finish,... -
SCALPER Stripped Lower Receiver Cerakote Finish ODG
Sons of Liberty$190.00SOLGW M4 Milspec Stripped Lower. Collaboration with Rogue American Apparel featuring the Scalper logo and selector markings. Forged from 7075-T6 Aluminum. Olive Drab Green Cerakote Finish. M16 pocket cutout. Fully machined to remove flash markings from... -
Sons of Liberty Gun Works LOYAL9 Stripped Lower Receiver 556/223
Sons of Liberty$142.50SOLGW M4 Milspec Stripped Lower. Loyal 9 logo and Safe-Semi-Auto Selector markings. Forged from 7075-T6 Aluminum. Black Hard Coat Anodized Finish. M16 pocket cutout. Fully machined to remove flash markings from forging. Sons of Liberty Gun Works,... -
Sons of Liberty Gun Works ANGRYPATRIOT Stripped Lower Receiver 556/223
Sons of Liberty$142.50SOLGW M4 Milspec Stripped Lower. Angry Patriot Logo. Forged from 7075-T6 Aluminum. Black Hard Coat Anodized Finish. M16 pocket cutout. Fully machined to remove flash markings from forging. Sons of Liberty Gun Works, ANGRYPATRIOT, Stripped Lower... -
BATTLEARMS RACK Ambidextrous Charging Handle AR15 - GOLD TRUMP POTUS
Battle Arms Development$99.99Limited Edition GOLD TRUMP POTUS 47 – BATTLEARMS® RACK™ Ambidextrous Charging Handle Introducing the exclusive GOLD TRUMP POTUS 47 Edition of the BATTLEARMS® RACK™ Ambidextrous Charging Handle – a premium, limited-run... -
CMC Trigger Match 3.5lb Flat – Fits Small Pin AR-15 | Precision Drop-In Trigger
CMC$174.00The CMC Trigger Match 3.5lb Flat is a premium upgrade for your AR-15 rifle, delivering exceptional performance with a crisp, clean break and minimal reset. Designed as a true drop-in, single-stage trigger, this model fits small pin AR-15 receivers (... -
CMC Triggers Ruger 10/22 Match Grade Trigger Drop In Single Stage 3.5 LB Aluminum (Curved)
CMC$225.00America's favorite rimfire rifle just got better! Introducing the CMC 10/22 Trigger. The CMC 10/22 trigger is a drop in, self-contained trigger pack that is easy to install, with a factory pre-set, non-adjustable 3.5lb trigger pull weight. It features a... -
CMC Triggers 9mm AR-15 Single Stage Match Trigger – Curved | Drop-In Precision Upgrade
CMC$174.00The CMC Triggers Single Stage Match Trigger for 9mm AR-15 platforms offers precision and reliability in a sleek, drop-in design. Engineered specifically for pistol caliber carbines (PCCs), this trigger provides a consistent 3.5lb pull with a smooth,... -
Timney Impact Trigger for Remington 700 – Black | Adjustable Precision Rifle Trigger
Timney Triggers$132.00The Timney Impact Trigger is a premium upgrade for the Remington 700 rifle, delivering crisp, clean, and consistent performance at an affordable price. Designed as a drop-in, single-stage trigger replacement, the Impact model provides a factory-set pull... -
TriggerTech Rough Diamond Single-Stage Fits Remington 700 Clones (Pro-Curve Trigger)
TriggerTech$299.99TriggerTech offers the only triggers to operate without sliding friction. The departure from sliding friction enables TriggerTech to engineer the ideal release characteristics into all of their triggers. TriggerTech, Rough Diamond, Single-Stage... -
TriggerTech Rough Diamond Trigger for Remington 700 Clones (Flat Trigger)
TriggerTech$299.99Upgrade your precision rifle with the TriggerTech Rough Diamond Trigger designed specifically for Remington 700 Clones. Engineered to deliver unmatched accuracy and consistency, this flat-faced trigger provides superior feel, precise... -
TriggerTech AR-15 Duty Flat Trigger – 3.5LB Pull
TriggerTech$134.99Enhance your AR-15's performance with the TriggerTech Duty Flat Trigger. Designed for law enforcement, military, and competitive shooters, this single-stage trigger offers a consistent 3.5-pound pull weight. Its flat-faced design ensures improved finger... -
TriggerTech Duty Curved Trigger 3.5LB Pull AR-15
TriggerTech$134.99TriggerTech is pleased to announce a major product release - AR Duty Triggers. The existing Performance Line was inspired by pro shooters who need to excel in competition. As Mil/LE operators adopted their AR line, the feedback was clear. What They... -
TriggerTech Primary R700 Curved 1.5-4LB Pull Weight Trigger
TriggerTech$179.99TriggerTech Primary R700 Curved 1.5-4LB Pull Weight Trigger The TriggerTech Primary R700 Curved Trigger is a precision upgrade for Remington 700 rifles, offering adjustable pull weight from 1.5 to 4.0 lbs. Engineered for hunters, competitive shooters,... -
HERA AR-15 Dust Cover Assembly
HERA Industries$9.99Elevate your AR-15 with our custom Hera dust cover assembly, engineered for peak performance and reliability. Crafted with precision and attention to detail, our AR-15 dust covers offer an enhanced protection against dust and debris, ensuring your rifle... -
BATTLEARMS BAD-ASS Replacement Lever
Battle Arms Development$17.95Replacement Levers for the BAD-ASS Family of Safety Selectors. -
BATTLEARMS BAD INC T10 Screws 4-40 x 5/16 Selector Screw
Battle Arms Development$4.00Battle Arms Development, Inc. (BAD INC) 4-40 x 5/16" 6-Lobe T-10 Flat Head Cap Screw MS 4037 Alloy Steel Black Oxide 2-Pack Made in USA The Battle Arms Development 4-40 x 5/16" 6-Lobe T-10 Flat Head Cap Screw is a compact replacement or upgrade hardware... -
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BATTLEARMS BAD-CASS - Replacement Lever
Battle Arms Development$25.95Replacement Levers for the BAD-CASS Family of Safety Selectors. -
BATTLEARMS BAD-ASS - Semi Auto 90° - Replacement Center and Screws
Battle Arms Development$25.95BAD-ASS-CENTER 90 DEGREE Center and 2 Screws ONLY Levers NOT included -
BATTLEARMS RAPID BRAKE - 5/8"-24TPI (up to 338Mag)
Battle Arms Development$130.00MRAD "RAPID BRAKE™" - fits 5/8"-24TPI, Class 3A threaded barrels. Comes in (3) Overall Diameter Sizes (.860", .900", and .960") and (2) Exit Hole Sizes (6-6.5mm or .30 cal). Pinch bolt design allows for rapid brake installation, quick removal... -
BATTLEARMS AR15/M16 Buffer Retainer/Detent
Battle Arms Development$2.50AR15/M16 Mil-Spec Buffer Retainer/Detent -
BATTLEARMS AR15/M16 Buffer Retainer Spring
Battle Arms Development$1.00AR15/M16 Mil-Spec Buffer Retainer Spring -
BATTLEARMS Socket Head Cap Screw | 1-72 x 1/8" | EMMR-SCREW
Battle Arms Development$3.25Socket Head Cap Screw (Black-Oxide Alloy Steel) | 1-72 x 1/8" | EMMR-SCREW Item: EMMR-SCREW SKU: EMMR-Screw UPC: 91864A006 Material/Finish: Black-Oxide Alloy Steel Type: Socket Head Cap Screw Thread Size: 1-72 Length: 1/8" Quantity: 1 Screw This... -
BATTLEARMS Takedown Spring Retainer Screw
Battle Arms Development$0.754-48 x 1/8in Cup Point Set Screw .050in Allen -
BATTLEARMS Mil-Spec ARMil-Spec AR15/LR308 T15/LR308 Trigger Disconnector Spring - Semi Auto
Battle Arms Development$1.99Ensure your AR-15 or LR-308 rifle operates reliably with our Mil-Spec Trigger Disconnector Spring designed specifically for semi-automatic platforms. Manufactured to strict military specifications, this trigger disconnector spring guarantees consistent... -
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BATTLEARMS Mil-Spec Trigger Spring for AR-15 and LR-308 Rifles
Battle Arms Development$1.79Upgrade or restore your AR-15 or LR-308 rifle with our reliable Mil-Spec Trigger Spring. Precision-crafted to military standards, this high-quality trigger spring ensures consistent and dependable trigger performance in your firearm. Made from durable... -
