Remington 870 Barrels – 12 & 20 GA Slug, Security & Hunting

**Remington 870 12 Gauge Security Barrel – 18.5" – Matte Blued Finish By Mossberg** $147.01

**Remington 870 12 Gauge Slug Barrel – 24" – Blued with Rifle Sights by Mossberg** $266.44

**Remington 870 12 Gauge Security Barrel, Stand-Off – 18.5" – Matte Blued By Mossberg** $199.51

**Remington 870 12 Gauge Slug Barrel – 24" – Cantilever Mount with 3-9x40 Scope – Matte Blue** $290.05

**Remington Slug Barrel – 870 Express 20 Gauge 3" – 18.5" Rifled with Cantilever Mount** $271.34

**Remington Model 870 Shotgun Barrel 20 ga. 20 Express Fully Rifled w/Rifle Sights** $220.95

**Remington 870 Express & Fieldmaster Barrel – 12 Gauge – 21" – 3" Chamber** $228.70

**Remington 870 Express & Fieldmaster Barrel – 12 Gauge – 20" – 3" Chamber** $220.95

**Remington 870 Express & Fieldmaster Barrel – 20 Gauge – 26" – 3" Chamber** $213.20

**Remington 870 Express & Fieldmaster Barrel – 12 Gauge – 18"** $170.59

Remington 870 Barrels – 12 & 20 Gauge Slug, Security & Hunting

Upgrade or Customize Your Remington 870 with the Right Barrel

Whether you're building a defensive shotgun, preparing for turkey season, or fine-tuning your slug gun, the right Remington 870 barrel can transform your firearm’s performance. At Mounts Plus, we carry a wide range of barrels for both 12 gauge and 20 gauge Remington 870 shotguns — including security barrels, slug barrels, and cantilever barrels ready for optics.

Our barrels are compatible with Remington 870 Express, Fieldmaster, and select Tactical models, making it easy to find a direct-fit upgrade for your setup.

Best-Selling Remington 870 Barrels

Barrel Type	Length	Gauge	Features
Security Barrel	18.5"	12 GA	Smoothbore, matte blued finish
Slug Barrel (Rifled)	24"	12 GA	Rifle sights, fully rifled
Cantilever Slug Barrel	24"	12 GA	Scoped ready, matte finish
20 GA Express Barrel	26"	20 GA	3" chamber, ideal for hunting
870 Fieldmaster Barrel	21"	12 GA	Vent rib, accepts choke tubes

💡 Need a shorter barrel for maneuverability or a longer barrel for tight patterns? We've got you covered.

🧰 Barrel Types Explained

🔫 Security Barrels (18.5”)

Ideal for home defense or law enforcement configurations. These short barrels are easy to maneuver in tight quarters and typically have a cylinder bore for close-range spread.

🦌 Slug Barrels

Perfect for hunting in states where slugs are required. Choose between rifled barrels for sabot slugs or smoothbore for traditional rifled slugs. Many come with rifle sights or are cantilevered for optics.

🦃 Field and Hunting Barrels

Designed for game birds, turkey, and general field use. These barrels often feature vent ribs, fiber optic front sights, and Rem Choke compatibility for pattern customization.

✅ Remington 870 Barrel Compatibility

✔️ Fits 870 Express, Tactical, and Fieldmaster
✔️ Compatible with 12 GA and 20 GA receivers
✔️ Choose 3" or 2 ¾" chambering to match your action
✔️ Works with standard Remington magazine tubes
✔️ Easy drop-in installation — no gunsmithing required

🔍 Note: 870 barrels are not interchangeable between gauges. Always match the barrel to your shotgun’s gauge and chamber length.

🧠 Frequently Asked Questions (FAQ)

Q: Are Remington 870 barrels interchangeable?
A: Yes — between models of the same gauge and action size. For example, any 12 GA 870 Express barrel fits a 12 GA Fieldmaster.

Q: Can I use a rifled barrel for turkey hunting?
A: It’s possible, but a smoothbore barrel with a turkey choke will give you tighter shot patterns. Rifled barrels are optimized for slugs.

Q: Will these barrels fit an older Wingmaster?
A: In most cases, yes — as long as it shares the same gauge and chamber length. Double-check lug spacing on older models.

Q: Do you carry cantilever barrels for scopes?
A: Yes! We offer scoped-ready slug barrels with cantilever mounts and integrated 3-9x40 scopes.

Q: Can I legally install a short barrel (under 18”) on my 870?
A: No. Barrels under 18" require an NFA tax stamp unless the firearm is a registered SBS (Short-Barreled Shotgun).

🛒 Shop Top Remington 870 Barrels Now

Remington 870 12 GA Security Barrel – 18.5" Matte
Remington 870 Slug Barrel – 24" Rifled w/ Sights
20 GA Express Hunting Barrel – 26" Vent Rib
Slug Barrel w/ Cantilever Scope Mount – 3-9x40 Optic
870 Fieldmaster Barrel – 21", Rem Choke Compatible

🔗 Related Accessories

🚀 Your 870. Your Mission. Your Barrel.

From the deer woods to the home front, your Remington 870 barrel choice determines how your shotgun performs. Whether you want tighter patterns, better slug accuracy, or fast transitions in close quarters — we’ve got the barrel to match your mission.

🛒 Shop our full selection of Remington 870 barrels now – fast shipping, trusted performance.