
Painting a Spikes Tactical lower receiver requires careful preparation and attention to detail to ensure a durable, professional finish. Begin by disassembling the lower and thoroughly cleaning all surfaces to remove oils, grease, and debris. Sand the parts with progressively finer grits of sandpaper to create a smooth base, ensuring all factory coatings are removed. Apply a high-temperature degreaser and wipe down the surfaces again. Use a primer specifically designed for metal surfaces to enhance adhesion, followed by light coats of your chosen paint, allowing each layer to dry completely. Consider using a stencil or masking tape for precision, especially if adding custom designs or logos. Finish with a clear coat to protect the paint and provide a sleek, durable surface. Always work in a well-ventilated area and follow safety guidelines for handling chemicals.
| Characteristics | Values |
|---|---|
| Surface Preparation | Clean thoroughly with degreaser, sand with 400-600 grit sandpaper, apply primer (e.g., Duracoat, Cerakote, or Krylon) |
| Painting Method | Airbrush, spray can, or HVLP spray gun |
| Paint Types | Cerakote, Duracoat, KG GunKote, or high-temperature spray paint |
| Color Options | Custom colors, camouflage patterns, or solid colors (e.g., black, FDE, OD Green) |
| Stencils | Vinyl stencils for logos, text, or patterns |
| Curing Process | Air dry or bake in oven (follow manufacturer's instructions for specific paint) |
| Durability | High resistance to wear, chemicals, and UV exposure |
| Application Time | 2-4 hours (excluding drying/curing time) |
| Cost | $50-$200 (depending on paint, tools, and complexity) |
| Skill Level | Intermediate (basic painting and stenciling skills required) |
| Recommended Tools | Airbrush, spray gun, sandpaper, degreaser, primer, paint, stencils, masking tape |
| Safety Precautions | Wear respirator, gloves, and eye protection; work in well-ventilated area |
| Maintenance | Reapply paint or clear coat as needed to maintain finish |
| Popular Brands | Cerakote, Duracoat, KG GunKote, Spike's Tactical |
| Compatibility | Fits most AR-15 lower receivers |
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What You'll Learn
- Gather Tools & Materials: List essential items like paint, primer, sandpaper, masking tape, and cleaning supplies
- Disassemble the Lower: Safely remove components like trigger, mag release, and pistol grip
- Prepare the Surface: Clean, sand, and degrease the lower for optimal paint adhesion
- Apply Primer & Paint: Use thin coats, allowing drying time between layers for a smooth finish
- Reassemble & Inspect: Reinstall components, check functionality, and ensure paint durability

Gather Tools & Materials: List essential items like paint, primer, sandpaper, masking tape, and cleaning supplies
Before you begin painting your Spikes Tactical lower, it's crucial to gather all the necessary tools and materials to ensure a smooth and successful process. The first item on your list should be high-quality paint specifically designed for firearms or metal surfaces. Look for paints that offer durability, scratch resistance, and a finish that suits your preference, whether it’s matte, satin, or gloss. Opt for brands that are known for their adherence to metal and longevity in harsh conditions. Additionally, consider the color options available and choose one that aligns with your desired aesthetic.
Next, you’ll need a suitable primer to prepare the surface of the lower receiver for painting. A good primer will not only enhance paint adhesion but also provide an extra layer of protection against corrosion and wear. Select a primer that is compatible with both the material of your lower (typically aluminum) and the paint you’ve chosen. It’s essential to ensure that the primer is specifically formulated for metal surfaces to avoid any compatibility issues. Applying a primer is a critical step that should not be skipped, as it directly impacts the final appearance and durability of the paint job.
Sandpaper is another indispensable tool in your arsenal. You’ll need various grits of sandpaper to properly prepare the surface of the lower receiver. Start with a coarse grit (around 220-320) to remove any existing finish, rust, or imperfections. Gradually move to finer grits (400-600) to smooth out the surface, ensuring it’s ready for primer and paint. Sanding not only improves adhesion but also helps achieve a professional, flawless finish. Be sure to sand in a consistent direction to avoid scratches that could show through the paint.
Masking tape is essential for protecting areas of the lower receiver that you don’t want to paint, such as the trigger assembly, magazine well, or any engraved markings. Choose a high-quality masking tape that adheres well but can be removed easily without leaving residue or damaging the surface. Take your time to carefully apply the tape, ensuring all edges are securely sealed to prevent paint from bleeding through. This step is crucial for maintaining the functionality and aesthetics of the firearm.
Lastly, cleaning supplies are vital to ensure the surface is free from oils, grease, and debris before painting. Use a degreaser or solvent specifically designed for metal surfaces to thoroughly clean the lower receiver. Follow up with a clean, lint-free cloth to wipe down the surface, ensuring no contaminants remain. Some painters also use acetone or isopropyl alcohol for a final wipe to guarantee the surface is pristine. Proper cleaning is a foundational step that ensures the primer and paint adhere correctly, leading to a long-lasting and professional finish. Gathering these essential tools and materials will set you up for success in painting your Spikes Tactical lower.
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Disassemble the Lower: Safely remove components like trigger, mag release, and pistol grip
Before painting your Spikes Tactical lower, proper disassembly is crucial. This ensures even paint coverage and protects internal components from overspray. Start by ensuring your firearm is unloaded and the safety is engaged. Place the lower receiver in a secure vise or workbench, ensuring it’s stable and won’t shift during disassembly. Gather the necessary tools: a punch set, a small hammer, a torque wrench (if applicable), and a parts tray to keep components organized. Always handle parts with care to avoid damage or misplacement.
Begin by removing the pistol grip. Locate the screw or bolt securing the grip to the lower receiver, typically found at the base of the grip. Use the appropriate screwdriver or wrench to loosen and remove the screw. Gently pull the pistol grip away from the receiver, being mindful of any springs or detents that may come loose. Place the grip and screw in your parts tray for safekeeping. If your lower has a grip with a backstrap, ensure all components are removed and set aside.
Next, remove the trigger assembly. Identify the trigger pins, usually two small pins located above the trigger guard. Use a punch and small hammer to carefully drive out the pins, pushing them from right to left (or as applicable to your model). Once the pins are removed, the trigger, hammer, and disconnector should be free to lift out of the receiver. Handle these components with care, as they are delicate and essential to the firearm’s function. Place them in your parts tray, ensuring they remain organized and undamaged.
Proceed to remove the magazine release. Locate the magazine release button on the left side of the receiver. Depending on your model, you may need to depress the release button while pushing out the retaining pin from the opposite side. Use a punch and hammer to carefully remove the pin, then lift out the magazine release button and spring. Set these components aside in your parts tray, ensuring the spring doesn’t get lost or damaged.
Finally, inspect the lower receiver to ensure all removable components have been safely disassembled. Double-check that the trigger, mag release, pistol grip, and any associated parts are accounted for and properly stored. With the lower now stripped down, you’re ready to proceed with cleaning, prepping, and painting. Always prioritize safety and organization during disassembly to make reassembly straightforward and error-free.
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Prepare the Surface: Clean, sand, and degrease the lower for optimal paint adhesion
Before you begin painting your Spikes Tactical lower, proper surface preparation is crucial for achieving a durable and professional finish. The first step in this process is to thoroughly clean the lower to remove any dirt, debris, or residue that could interfere with paint adhesion. Start by disassembling the lower as much as possible, removing components like the trigger group, buffer tube, and pistol grip. Use a mild degreasing agent or dish soap mixed with warm water to scrub the surface with a soft-bristle brush or cloth. Pay special attention to crevices, corners, and areas around pins and holes, as these spots often accumulate grime. Rinse the lower thoroughly with clean water and allow it to dry completely before proceeding.
Once the lower is clean, the next step is to sand the surface to create a rough texture that promotes better paint adhesion. Begin by selecting the appropriate grit sandpaper—typically 220 to 400 grit for aluminum lowers. Sand the entire surface in a consistent, circular motion, ensuring you cover every area evenly. Focus on removing any existing coatings, anodizing, or shiny spots, as these can cause the paint to peel or chip later. After sanding, wipe the lower with a tack cloth or a lint-free cloth dampened with isopropyl alcohol to remove any dust or particles generated during sanding. This step is essential to ensure a clean, smooth base for the paint.
After sanding, degreasing the lower is vital to eliminate any oils or contaminants that could prevent the paint from bonding properly. Use a high-quality degreaser or acetone applied with a clean cloth, wiping down the entire surface thoroughly. Work in a well-ventilated area and wear gloves to protect your skin from chemicals. Allow the degreaser to evaporate completely, which typically takes about 10–15 minutes, depending on the product used. Inspect the lower to ensure no oily residues remain, as even small amounts can compromise the paint job.
For optimal results, consider using a phosphating solution or etching primer after degreasing, especially if the lower’s surface is highly polished or non-porous. These products create a chemical bond with the metal, enhancing paint adhesion and durability. Apply the phosphating solution according to the manufacturer’s instructions, then rinse and dry the lower thoroughly. Alternatively, lightly scuff the surface again with fine-grit sandpaper (600–800 grit) before applying the etching primer. This extra step ensures the paint has the best possible foundation to adhere to.
Finally, before moving on to priming and painting, inspect the lower one last time to ensure it is clean, dry, and free of any contaminants. Any overlooked spots or residues can ruin the final finish, so take your time during this preparation phase. Properly preparing the surface by cleaning, sanding, and degreasing the Spikes Tactical lower is the cornerstone of a successful paint job, ensuring the paint adheres well and lasts for years to come.
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Apply Primer & Paint: Use thin coats, allowing drying time between layers for a smooth finish
When preparing to paint a Spikes Tactical lower, the application of primer and paint is a critical step that can significantly impact the final appearance and durability of the finish. Apply Primer & Paint: Use thin coats, allowing drying time between layers for a smooth finish is a fundamental principle to achieve professional results. Start by ensuring the lower receiver is thoroughly cleaned and free of any debris, oils, or residues. Use a degreaser and a lint-free cloth to wipe down the surface, followed by a light sanding with 400-600 grit sandpaper to create a smooth, even base for the primer to adhere to. This preparation ensures the primer bonds effectively, reducing the risk of peeling or bubbling later on.
Once the surface is prepped, apply the primer using an aerosol spray can or a high-quality airbrush for precision. Hold the spray can 6-8 inches away from the surface and apply in smooth, even strokes, overlapping each pass by about 50%. The key here is to use thin coats to avoid drips or runs, which can ruin the finish. Allow each coat of primer to dry completely according to the manufacturer’s instructions, typically 30 minutes to an hour, depending on humidity and temperature. Lightly sand the primed surface with 800-1000 grit sandpaper between coats to remove any imperfections and ensure a smooth foundation for the paint.
After the primer is fully cured, it’s time to apply the paint. Choose a high-quality automotive or firearm-specific paint designed for durability and adhesion. As with the primer, apply the paint in thin coats, maintaining consistent distance and speed during application. Rushing this step or applying too much paint at once can lead to uneven coverage or a rough texture. Allow each coat of paint to dry thoroughly, which may take longer than the primer, often 1-2 hours per coat. Patience is crucial here, as insufficient drying time can cause the layers to smear or lift when additional coats are applied.
Between each coat of paint, lightly sand the surface with 1200-1500 grit sandpaper or use a fine polishing compound to ensure a smooth, defect-free finish. This step is essential for achieving a professional, glossy appearance. After the final coat of paint is applied and fully cured, consider adding a clear coat for added protection and shine. The clear coat should also be applied in thin layers, allowing ample drying time between coats. Proper curing of the final finish, often 24-48 hours, ensures maximum hardness and resistance to wear.
Throughout the process, work in a well-ventilated area or a spray booth to minimize dust and debris contamination. Maintain a consistent environment with stable temperature and humidity to ensure optimal drying conditions. By adhering to the principle of using thin coats and allowing adequate drying time between layers, you’ll achieve a smooth, durable finish on your Spikes Tactical lower that enhances both its appearance and longevity. This meticulous approach ensures the end result is not only visually appealing but also capable of withstanding the rigors of regular use.
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Reassemble & Inspect: Reinstall components, check functionality, and ensure paint durability
Once you’ve completed the painting and curing process of your Spikes Tactical lower, the next critical step is to reassemble and inspect the components to ensure everything functions properly and the paint job remains durable. Begin by carefully reinstalling all parts, starting with the trigger assembly. Align the trigger pins and ensure they are securely seated in their respective holes. Use a punch tool if necessary to avoid damaging the fresh paint. Next, reinstall the pistol grip, ensuring the screw is tightened to the manufacturer’s torque specifications. Over-tightening can strip the threads or damage the paint, so use a torque wrench if available.
After the trigger assembly and grip are in place, proceed with reinstalling the buffer tube assembly. Apply a small amount of thread locker to the castle nut threads to prevent loosening during use. Reattach the stock and ensure it locks securely into place. Check that the buffer tube is aligned properly and that there is no play in the system. Once the buffer tube is secured, reinstall the takedown and pivot pins, ensuring they are fully seated and the lower and upper receivers close smoothly. Use a pin punch to align the pins if needed, taking care not to scratch the paint.
With all components reinstalled, it’s crucial to check functionality thoroughly. Perform a dry fire test to ensure the trigger resets properly and the hammer functions as expected. Cycle the charging handle to verify that the upper and lower receivers move smoothly without binding. Inspect the safety selector to ensure it engages and disengages cleanly in both positions. If any part feels stiff or out of place, disassemble the relevant section and inspect for paint buildup or misalignment. Lightly sanding any interfering areas with fine-grit sandpaper can resolve minor issues without compromising the paint job.
Finally, ensure paint durability by inspecting the finish for any chips, scratches, or weak spots. Pay close attention to high-wear areas like the buffer tube, magazine well, and grip. Apply a thin coat of clear ceramic coat or firearm-specific sealant to these areas for added protection. Allow the sealant to cure fully before handling the lower extensively. Store the firearm in a dry, cool place to prevent environmental damage to the paint. Regularly inspect the finish after use, touching up any worn areas with matching paint and sealant to maintain both aesthetics and protection.
Throughout the reassembly and inspection process, prioritize precision and patience to avoid damaging the paint or compromising the firearm’s functionality. A well-executed reassembly ensures your Spikes Tactical lower not only looks great but also performs reliably for years to come.
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Frequently asked questions
Use a high-quality, durable paint designed for metal or polymer surfaces, such as Cerakote, Duracoat, or Krylon. Ensure it’s heat-resistant and compatible with firearms.
Yes, disassemble the lower receiver to ensure even coverage and prevent paint from interfering with moving parts or critical components.
Clean the surface thoroughly with degreaser, sand it lightly (200-400 grit) to create a rough texture for adhesion, and wipe away dust before applying paint.



































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