Remington 870 Instruction Manual: A Comprehensive Guide
This manual provides essential guidance for the iconic Remington 870 pump-action shotgun, covering safety, operation, maintenance, and troubleshooting for models 870 & 870 Super Magnum.
The Remington 870 is a legendary pump-action shotgun, renowned for its reliability, versatility, and enduring popularity among hunters, sport shooters, and law enforcement professionals. First introduced in 1950, it quickly became—and remains—a staple in the American firearms landscape. This manual serves as a comprehensive resource for understanding and safely operating your Model 870 or 870 Super Magnum.
Whether you’re a seasoned shooter or new to firearms, this guide will detail everything from essential safety precautions to detailed maintenance procedures. We will explore the shotgun’s components, operation, and potential modifications, ensuring you maximize your experience with this classic firearm. Always prioritize safety and responsible gun handling.
Historical Overview of the 870
The Remington 870’s story began in 1950, filling a need for a modern, dependable pump-action shotgun. Designed by Les Bement, it was an immediate success, quickly surpassing competitors with its innovative design and robust construction. Early models featured a smooth action and a streamlined profile, setting a new standard for shotguns.
Over the decades, the 870 has undergone subtle refinements, including the introduction of the Super Magnum variant for heavier loads. It has served extensively in military and law enforcement roles, proving its durability under demanding conditions. Its enduring popularity speaks to its timeless design and unwavering reliability, making it a true American icon.
Key Features and Benefits
The Remington 870 boasts a remarkably smooth, reliable pump-action, renowned for its ability to cycle various ammunition types efficiently. Its twin action bars contribute to this seamless operation, minimizing felt recoil. The receiver is machined from solid steel, ensuring exceptional strength and longevity.
Versatility is a hallmark of the 870, with numerous barrel and choke options available to suit diverse shooting applications – from hunting and sport shooting to home defense. Its simple, yet robust design makes it easy to maintain and customize, contributing to its enduring appeal and widespread adoption by shooters of all levels.
Safety First: Essential Precautions
Prioritize firearm safety! Always read and understand all instructions and warnings before handling the Remington 870 to prevent accidental injury or damage.
Four Primary Rules of Gun Safety
Always treat every firearm as if it is loaded. This foundational rule emphasizes constant respect and caution when handling the Remington 870. Never point the muzzle at anything you are not willing to destroy; maintain control and awareness of your target and surroundings.
Keep your finger off the trigger until your sights are on the target and you have made the decision to shoot. This prevents accidental discharges caused by involuntary muscle contractions or startling events.
Be absolutely sure of your target and what is beyond it. Identify positive target identification and consider potential backstops to prevent unintended consequences.
Never climb a fence, wade or swim with a loaded firearm. Control the firearm at all times, ensuring it remains secure and doesn’t pose a risk to yourself or others.
Ammunition Specifics for the 870
The Remington 870 is versatile, accommodating 2 ¾”, 3”, and 3 ½” shotshells. However, consistent use of 3 ½” shells may accelerate wear on the action. Always verify the shell length markings before loading.
Use only ammunition with the correct shot size and load for your intended purpose. Refer to shell box markings for specifications. Avoid using damaged or corroded ammunition, as it can cause malfunctions or damage the firearm.
The 870 can chamber various gauges, most commonly 12 and 20 gauge. Ensure the barrel is marked with the correct gauge. Using the wrong gauge ammunition is extremely dangerous and can cause catastrophic failure.
Always consult the Remington website or a qualified gunsmith for specific ammunition recommendations.
Safe Handling Practices
Always point the muzzle in a safe direction during handling. Treat every firearm as if it’s loaded, even when you believe it isn’t. Keep your finger off the trigger until ready to shoot, maintaining control at all times.
Be certain of your target and what is beyond it. Never handle a firearm while under the influence of drugs or alcohol. Store ammunition separately from the firearm, in a locked location, inaccessible to unauthorized individuals.
Regularly inspect the 870 for any signs of damage or malfunction. If issues are detected, discontinue use and consult a qualified gunsmith. Practice safe loading and unloading procedures consistently.
Understanding the 870 Components
This section details the Remington 870’s key parts: receiver, action, barrel, stock, forend, and trigger group, explaining their functions and interactions.
Receiver and Action Assembly
The receiver is the central housing of the Remington 870, containing the action. It’s typically machined from steel or aluminum, providing strength and durability. The action, a crucial component, facilitates the loading, firing, and ejecting of shells.
Understanding the assembly involves recognizing the bolt, bolt carrier, and slide forend assembly. The bolt locks into the barrel extension, ensuring a secure chamber during firing. The bolt carrier moves the bolt, and the slide operates the action via the pump-action mechanism. Proper function relies on these parts working in harmony. Regular inspection ensures smooth operation and prevents malfunctions, contributing to safe and reliable performance.
Barrel Types and Their Uses
The Remington 870’s versatility stems from its interchangeable barrel options. Standard barrels suit general purposes like home defense and field use. Shorter barrels (18-20 inches) enhance maneuverability, ideal for close quarters. Longer barrels (26-28 inches) provide increased range and accuracy for sporting clays or waterfowl hunting.
Ventilated rib barrels aid in target acquisition, while slug barrels are specifically designed for firing slugs, improving accuracy at longer distances. Cylinder bore barrels offer the widest spread, suitable for close-range bird hunting. Understanding each barrel’s purpose allows users to optimize the 870 for their specific needs, maximizing its effectiveness.
Stock and Forend Details
The Remington 870 features a typically walnut or synthetic stock and forend, crucial for comfortable handling and control. Stocks come in various lengths of pull to accommodate different shooters. The forend facilitates smooth pump-action operation; proper grip is essential. Many aftermarket options exist, including adjustable stocks and pistol grips.
Understanding the stock’s recoil pad and its impact on comfort is vital. Inspecting the forend for cracks or damage ensures safe operation. Proper maintenance, like cleaning and occasional oiling, preserves the stock’s integrity. Upgrading these components can significantly enhance the 870’s fit and function.
Trigger Group Explanation
The Remington 870’s trigger group is a relatively simple, yet robust, design. It consists of the trigger, hammer, sear, and safety mechanism. Understanding each component’s function is key to safe handling and potential troubleshooting. The single-stage trigger offers a consistent pull weight, though aftermarket options exist for customization.
The crossbolt safety, located behind the trigger, positively locks the action. Always engage the safety when not actively shooting. Disassembly for cleaning requires caution and a thorough understanding of the parts. Regular inspection ensures proper function and prevents accidental discharge.
Operation and Function
Mastering the 870 involves safe loading, smooth action cycling, precise trigger control, and understanding the versatile choke tube system for varied shooting applications.
Loading and Unloading Procedures
Safe and correct loading and unloading are paramount with the Remington 870. Always point the muzzle in a safe direction. To load, ensure the action is fully forward. Insert shells firmly into the tubular magazine, one at a time, pushing past the shell latch.
For the first shell, it may require manually cycling the action to fully seat it. To unload, keep the muzzle pointed safely and cycle the action repeatedly, ejecting shells until the magazine is empty.
Visually and physically inspect the chamber to confirm it is clear. Never rely solely on the action cycling; always double-check. Practice these procedures until they become second nature, prioritizing safety above all else.
Cycling the Action
Properly cycling the action of your Remington 870 is crucial for smooth and reliable operation. Grip the forend firmly, but not rigidly, and pull it fully rearward. This unlocks the bolt and initiates the ejection of a spent shell, if present.
Then, push the forend forward with a deliberate motion. This chambers a new shell from the magazine, locking the bolt into battery.
Practice this motion repeatedly to develop muscle memory. Avoid “short-stroking” – not fully completing the rearward or forward movement – as this can lead to malfunctions. Smooth, consistent action cycling enhances shooting accuracy and reduces fatigue.
Trigger Control Techniques
Mastering trigger control is paramount for accurate shotgun shooting with your Remington 870. The goal is a smooth, consistent pull without disturbing the sight picture.
Isolate the trigger finger, applying pressure straight back towards your shooting hand. Avoid jerking or slapping the trigger, which introduces unwanted movement.
Focus on maintaining consistent finger placement and pressure throughout the pull. A slight follow-through – continuing the pull slightly after the shot breaks – can further enhance accuracy. Practice dry-firing to refine your technique and build muscle memory.
Choke Tube System Explained
The Remington 870’s choke tube system allows for versatile pattern control, adapting to various shooting scenarios. Chokes constrict the shotgun’s muzzle, influencing pellet spread.
Cylinder bores offer the widest patterns, ideal for close-range targets. Improved Cylinder provides a slight constriction, suitable for general use. Modified and Full chokes progressively tighten patterns for longer distances.
Proper installation and removal require a choke tube wrench. Always ensure the shotgun is unloaded before changing chokes. Regularly inspect chokes for damage or corrosion, maintaining optimal performance and safety.
Maintenance and Cleaning
Regular cleaning and lubrication are crucial for the Remington 870’s longevity and reliable function, ensuring safe operation and preventing corrosion.
Disassembly for Cleaning
Before commencing disassembly, always ensure the Remington 870 is unloaded and pointed in a safe direction. Begin by removing the forend, typically by sliding it forward after depressing the retaining latch. Next, carefully unscrew the barrel from the receiver. The bolt assembly can then be removed by depressing the bolt release lever and sliding the bolt and bolt carrier out of the receiver.
The trigger group can be carefully removed, though this is often not necessary for routine cleaning. Pay close attention to the order of parts and retain all springs and detents. A detailed visual inspection during disassembly allows for identifying any wear or damage to components, aiding in preventative maintenance and ensuring continued safe operation of your shotgun.
Cleaning Procedures – Step-by-Step
Begin by brushing out the barrel to remove loose debris, followed by using a solvent-soaked patch to eliminate powder residue and fouling. Clean the receiver and bolt assembly with a solvent, paying attention to the locking lugs and bolt face. Utilize a nylon brush to scrub hard-to-reach areas.
Wipe down all components with a clean cloth, ensuring all solvent residue is removed. Inspect the gas ports (if applicable) and clear any obstructions. Finally, lightly oil all moving parts to prevent corrosion and ensure smooth operation. A clean shotgun is a reliable shotgun, promoting longevity and safe usage.
Lubrication Guidelines
Apply a light coat of high-quality gun oil to all moving parts after cleaning, including the action bars, bolt, and trigger group. Avoid over-lubrication, as excess oil can attract dirt and grime. Focus on friction points where metal surfaces slide against each other.
A small amount of grease can be applied to the locking lugs for enhanced smoothness. Regularly wipe away any excess oil to maintain a clean operating environment. Proper lubrication minimizes wear, prevents corrosion, and ensures reliable cycling of the Remington 870 action, extending its lifespan.
Long-Term Storage Recommendations
Before extended storage, thoroughly clean and lubricate your Remington 870 to prevent corrosion. Store the shotgun in a dry, climate-controlled environment, ideally with a desiccant to absorb moisture. Utilize a gun sock or case for added protection against dust and scratches.
Ensure the action is unloaded and the safety is engaged. Avoid storing the firearm in direct sunlight or near extreme temperatures. Periodically check the shotgun during storage, reapplying lubricant as needed. Proper long-term storage preserves the firearm’s functionality and value.
Troubleshooting Common Issues
This section details solutions for typical Remington 870 malfunctions, including failures to feed, eject, and cycling problems, ensuring reliable operation.
Failure to Feed
A failure to feed with your Remington 870 typically indicates the next shell isn’t properly entering the chamber during cycling. Several factors can contribute to this issue. First, ensure you’re using ammunition within the shotgun’s specifications – incorrect shell length or gauge will cause problems.
Secondly, inspect the shell carrier and magazine tube for obstructions like debris or damaged shells. A dirty or corroded magazine can hinder smooth shell movement. Verify the shell latch is functioning correctly, positively engaging each shell. Finally, confirm the bolt is moving fully rearward to strip the next shell from the magazine.
Failure to Eject
If your Remington 870 is experiencing a failure to eject, meaning a spent shell casing isn’t being expelled after firing, several potential causes should be investigated. A common culprit is a dirty or obstructed ejector port, preventing the shell from clearing the action. Inspect this area thoroughly for buildup of powder residue or debris.
Also, examine the ejector spring and plunger; a weakened or damaged spring won’t provide sufficient force. Ensure the extractor claw is properly engaging the rim of the shell casing. Finally, verify the action is cycling with enough momentum to fully operate the ejector mechanism.
Cycling Problems
Experiencing difficulty cycling the action on your Remington 870 can stem from several issues. Insufficient forward momentum during the pump action is a frequent cause, often linked to inadequate grip or improper technique. Ensure a firm, consistent pull and push of the forend.
A dirty or poorly lubricated action can also hinder smooth cycling. Thorough cleaning and proper lubrication, as detailed in the maintenance section, are crucial. Check for binding within the receiver or on the guide rods. Finally, confirm the recoil spring is functioning correctly, providing adequate power for reliable operation.
Addressing Minor Malfunctions
Should your Remington 870 encounter a minor malfunction, immediate and safe action is paramount. If the action sticks, avoid forcing it; gently attempt to cycle it several times. A visual inspection for obstructions – spent shells or debris – is essential.
For stubborn cases, carefully disassemble the affected components (following safety protocols!) to identify the issue. Ensure proper reassembly. If a shell is stuck, consult a qualified gunsmith rather than attempting forceful extraction. Remember, prioritizing safety and seeking professional help when needed prevents further damage or injury.
Accessories and Modifications
Enhance your Remington 870 with aftermarket stocks, optics, extended magazines, and recoil reduction systems, customizing it for specific shooting needs and preferences.
Aftermarket Stocks and Forends
Upgrading the stock and forend of your Remington 870 significantly impacts comfort, control, and aesthetics. Numerous options exist, ranging from synthetic materials for durability and all-weather performance to finely crafted walnut for a classic look and feel. Consider recoil-reducing stocks to minimize felt recoil during extended shooting sessions.
Tactical stocks often feature adjustable cheek risers and length-of-pull adjustments for a customized fit. Forends can also be upgraded for improved grip and ergonomics. Ensure any aftermarket part is specifically designed for the 870 to guarantee proper fit and function. Proper installation is crucial for safe operation; consult a qualified gunsmith if needed. Remember to always adhere to all applicable laws and regulations when modifying your firearm.
Optic Mounting Options
The Remington 870, while traditionally a bead sight firearm, offers several optic mounting possibilities for enhanced accuracy and target acquisition. Picatinny rail systems are popular, attaching to the receiver to provide a stable platform for red dot sights, holographic sights, or low-power variable scopes.
Saddle rails mount directly to the barrel, offering a lower profile but potentially impacting point-of-impact consistency. Ghost ring sights can also be added for a more modern aiming solution. Ensure any optic is securely mounted and zeroed before use. Proper installation and periodic checks are vital for maintaining accuracy and safety. Always consult the optic manufacturer’s instructions and consider professional installation if unsure.
Extended Magazines
Increasing the capacity of your Remington 870 is achievable through aftermarket extended magazine tubes. These tubes typically replace the factory magazine, offering a significant increase in shell capacity, beneficial for competitive shooting or home defense scenarios.
Popular brands offer various lengths, impacting overall shotgun length and balance. Installation generally requires disassembly of the magazine cap and follower, demanding mechanical aptitude. Ensure compatibility with your specific 870 model and follow manufacturer instructions carefully. Always verify proper function and shell feeding after installation. Be mindful of legal restrictions regarding magazine capacity in your jurisdiction.
Recoil Reduction Accessories
Managing the Remington 870’s recoil is crucial for comfortable shooting and improved accuracy. Several accessories effectively mitigate felt recoil, enhancing the shooting experience. Recoil pads, installed on the stock, absorb a portion of the rearward force, reducing shoulder impact.
Gas operated recoil reduction systems are also available, diverting some gas pressure to counter recoil. Additionally, utilizing heavier shotgun loads or employing a properly fitted stock can contribute to recoil management. Remember to prioritize proper shooting technique, including a firm grip and appropriate stance, for optimal recoil control and consistent results.
Legal Considerations and Warranty
Understand federal, state, and local firearm regulations regarding ownership, use, and transportation of your Remington 870. Review the included warranty information for coverage details.
Federal and State Regulations
Firearm ownership is subject to stringent federal and state laws, varying significantly by location. The National Firearms Act (NFA) may apply to certain 870 configurations, like those with short barrels or specific features, requiring registration and tax stamps.
State laws dictate permissible barrel lengths, magazine capacities, and acceptable uses. Some states restrict or prohibit certain modifications. Always consult your state’s Attorney General’s office or a qualified legal professional to ensure full compliance with all applicable regulations before purchasing, possessing, or modifying your Remington 870. Ignorance of the law is not a valid defense, and violations can result in severe penalties, including fines and imprisonment.
Remington Warranty Information
Remington offers a limited warranty on the Model 870, protecting against defects in materials and workmanship from the date of original purchase. This warranty typically covers repairs or replacement of defective parts, but excludes normal wear and tear, misuse, abuse, or modifications.
To initiate a warranty claim, contact Remington’s customer service department with proof of purchase and a detailed description of the issue. Shipping costs to and from Remington are generally the responsibility of the owner. The warranty is void if the firearm has been altered or repaired by unauthorized personnel. Refer to the official Remington website for the most current warranty details and claim procedures.