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Fortis Manufacturing - Gun Parts, AR15 Parts, Muzzle Brakes & More! — 72 products / 260 models

Fortis Manufacturing strives to provide professional quality strength with outstanding design and aesthetics at a value driven price. Their passion to bring the best products to market is seen in every detail, and Fortis Mfg uses only the highest quality materials and precision manufacturing processes available. Every FMI product goes through strict testing and evaluation by industry professionals and any product that fails these are changed and resubmitted for testing, ensuring that every product that hits the market meets or exceeds your expectations. Featuring great gun parts including handguards and forends, muzzle devices, and more, every Fortis product is built with your needs in mind. Buy from OpticsPlanet and take advantage of our FREE SHIPPING on all orders over $49, access to our awesome How-To Articles and GearExpert Blog Posts, and the expert knowledge of our product specialists who are only a phone call/email/chat away! Discover the Strength By Design that is Fortis Manufacturing!image

Popular Categories

Image of Gun Parts category Gun Parts
Image of Rifle Parts category Rifle Parts
Image of AR 15 Parts category AR 15 Parts
Image of AR15 Lower Parts category AR15 Lower Parts
Image of AR15 Accessories category AR15 Accessories
Image of AR15 Upper Parts category AR15 Upper Parts
Image of Weapon Accessories category Weapon Accessories
Image of AR 15 Tactical Rails category AR 15 Tactical Rails
Image of AR Handguards & Forends category AR Handguards & Forends
Image of Muzzle Brakes & Compensators category Muzzle Brakes & Compensators
Image of Muzzle Devices category Muzzle Devices
Image of AR15 Pistol Grips category AR15 Pistol Grips
Image of AR15 Stocks category AR15 Stocks
Image of AR Charging Handles category AR Charging Handles
Image of AR15 Front Grips category AR15 Front Grips
Image of Gun Support Grips category Gun Support Grips
Image of One Piece Rifle Scope Mounts category One Piece Rifle Scope Mounts
Image of Rifle Scopes & Accessories category Rifle Scopes & Accessories
Image of Riflescope Mounts, Rings & Bases category Riflescope Mounts, Rings & Bases
Image of AR15 Safety Selectors category AR15 Safety Selectors

72 Products in Fortis Manufacturing

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Image of Fortis Manufacturing REV II Free Float Rail System 15 models Fortis Manufacturing REV II Free Float Rail System (18) As Low As (Save Up to 39%) $118.70 Free 2 Day Shipping
Image of Fortis Manufacturing LA Stock Bundle Pack 5 models Fortis Manufacturing LA Stock Bundle Pack (5) List: $399.95 (Save $20.00) $379.95 Free 2 Day Shipping
Image of Fortis Manufacturing 5.56MM R.E.D. Barrel Muzzle Brake 2 models Fortis Manufacturing 5.56MM R.E.D. Barrel Muzzle Brake (48) As Low As (Save Up to $2.75) $52.20 Best Rated
Image of Fortis Manufacturing AP 2 Regular Riflescope Mount 4 models Fortis Manufacturing AP 2 Regular Riflescope Mount List: $299.95 (Save $15.00) $284.95 Free 2 Day Shipping
Image of Fortis Manufacturing Switch MOD 2 AR-15 Free Float M-LOK Rail System 3 models Fortis Manufacturing Switch MOD 2 AR-15 Free Float M-LOK Rail System As Low As (Save Up to $14.25) $240.30 Free 2 Day Shipping
Image of Fortis Manufacturing SWITCH AR15 Mod 1 Rail System 6 models Fortis Manufacturing SWITCH AR15 Mod 1 Rail System (4) As Low As (Save Up to $14.25) $236.50 Free 2 Day Shipping
Image of Fortis Manufacturing Camber AR15 M-Lock Rail System 7 models Fortis Manufacturing Camber AR15 M-Lock Rail System (4) As Low As (Save Up to 65%) $81.49 Blazin' Deal
Image of Fortis Manufacturing Night Rail Free Float Rail System 7 models Fortis Manufacturing Night Rail Free Float Rail System (24) As Low As (Save Up to 17%) $204.20 Blazin' Deal
Image of Fortis Manufacturing AR-15 LE Locking Lever Castle Nut/End Plate K2 System 4 models Fortis Manufacturing AR-15 LE Locking Lever Castle Nut/End Plate K2 System (16) As Low As (Save Up to 13%) $38.96 Best Rated
Image of Fortis Manufacturing Lever Action Stock Fortis Manufacturing Lever Action Stock (4) List: $349.95 (Save $17.50) $332.45 10% Coupon
Image of Fortis Manufacturing AR-15 LE Omega Clip Castle Nut/End Plate K2 System 2 models Fortis Manufacturing AR-15 LE Omega Clip Castle Nut/End Plate K2 System (19) List: $44.95 $43.99 Best Rated
Image of Fortis Manufacturing Control Shield GEN II 2 models Fortis Manufacturing Control Shield GEN II As Low As (Save Up to $6.50) $113.95
Image of OpticsPlanet Exclusive Fortis Manufacturing F1 Optics Mount - Absolute Co-Witness OpticsPlanet Exclusive Fortis Manufacturing F1 Optics Mount - Absolute Co-Witness (6) List: $89.95 (Save $4.50) $85.45 Best Rated
Image of Fortis Manufacturing Torque Pistol Grips 6 models Fortis Manufacturing Torque Pistol Grips (13) List: $109.95 (Save $5.50) $104.45 Best Rated
Image of Fortis Manufacturing Slipstream Brake 9mm, 1/2x36 Threads 2 models Fortis Manufacturing Slipstream Brake 9mm, 1/2x36 Threads As Low As (Save Up to $6.00) $94.95
Image of Fortis Manufacturing Hammer AR10 Charging Handles 6 models Fortis Manufacturing Hammer AR10 Charging Handles (2) As Low As (Save Up to 23%) $52.20 15% Coupon
Image of Fortis Manufacturing AR-15 LE Tapered Castle Nut/End Plate K1 System 8 models Fortis Manufacturing AR-15 LE Tapered Castle Nut/End Plate K1 System (31) As Low As (Save Up to 38%) $33.99 Best Rated
Image of Fortis Manufacturing Enhanced Lower Parts Kit for AR-15 Fortis Manufacturing Enhanced Lower Parts Kit for AR-15 (2) List: $119.95 (Save $6.00) $113.95
Image of Fortis Manufacturing Torque AR-15 Pistol Grip, Carbon Fiber 6 models Fortis Manufacturing Torque AR-15 Pistol Grip, Carbon Fiber (4) List: $109.95 (Save $5.50) $104.45
Image of Fortis Manufacturing AP 1 Mount PRO Fortis Manufacturing AP 1 Mount PRO List: $169.95 (Save $8.50) $161.45
Image of Fortis Manufacturing Torque AR-15 Pistol Grip, Standard 17 models Fortis Manufacturing Torque AR-15 Pistol Grip, Standard (4) List: $89.95 (Save $4.50) $85.45 10% Coupon
Image of Fortis Manufacturing SS FIFTY Safety Selectors 6 models Fortis Manufacturing SS FIFTY Safety Selectors (9) As Low As (Save Up to 40%) $38.99
Image of Fortis Manufacturing Enhanced Detent and Spring Kit Fortis Manufacturing Enhanced Detent and Spring Kit (7) List: $33.99 (Save 21%) $26.99 Best Rated
Image of Fortis Manufacturing SWITCH 308 Mod 2 Rail System 3 models Fortis Manufacturing SWITCH 308 Mod 2 Rail System (6) As Low As (Save Up to $15.30) $270.70 Free 2 Day Shipping
Image of Fortis Manufacturing 5.56MM Barrel Muzzle Brake / Control Compatible 2 models Fortis Manufacturing 5.56MM Barrel Muzzle Brake / Control Compatible (14) List: $69.95 (Save $3.50) $66.45 10% Coupon
Image of Fortis Manufacturing Pivot and Takedown Pins Fortis Manufacturing Pivot and Takedown Pins List: $36.99 (Save 38%) $22.99 10% Coupon
Image of Fortis Manufacturing Lever Action Stock Bundle Fortis Manufacturing Lever Action Stock Bundle (3) List: $349.95 (Save $17.50) $332.45
Image of Fortis Manufacturing Fortis QD End Plate Fortis Manufacturing Fortis QD End Plate (10) List: $23.49 (Save 49%) $11.99 Best Rated
Image of Fortis Manufacturing Hammer AR15/M16 Charging Handles 3 models Fortis Manufacturing Hammer AR15/M16 Charging Handles (2) As Low As (Save Up to 32%) $47.99
Image of Fortis Manufacturing Shift Reversible Handstop 5 models Fortis Manufacturing Shift Reversible Handstop (12) As Low As (Save Up to 38%) $38.96 Best Rated
Image of Fortis Manufacturing SHIFT Vertical Grip 7 models Fortis Manufacturing SHIFT Vertical Grip (26) As Low As (Save Up to 33%) $56.95 Best Rated
Image of Fortis Manufacturing Glock 19 Match Grade Threaded Barrel 4 models Fortis Manufacturing Glock 19 Match Grade Threaded Barrel (3) As Low As (Save Up to $17.46) $208.95
Image of Fortis Manufacturing Clutch AR15 Charging Handle 5 models Fortis Manufacturing Clutch AR15 Charging Handle (11) As Low As (Save Up to 47%) $29.99 10% Coupon
Image of Fortis Manufacturing Hammer SIG Sauer MCX 5.56mm Charging Handle 4 models Fortis Manufacturing Hammer SIG Sauer MCX 5.56mm Charging Handle As Low As (Save Up to 20%) $56.79
Image of Fortis Manufacturing Standard Billet Dust Cover 7 models Fortis Manufacturing Standard Billet Dust Cover (2) As Low As (Save Up to 40%) $16.49 Blazin' Deal
Image of OpticsPlanet Exclusive Fortis Manufacturing F1TM Optics Mount - Lower 1/3 OpticsPlanet Exclusive Fortis Manufacturing F1TM Optics Mount - Lower 1/3 (5) List: $89.95 (Save $4.50) $85.45 Best Rated
Image of Fortis Manufacturing Billet Upper Receiver, Stripped Fortis Manufacturing Billet Upper Receiver, Stripped List: $189.95 (Save $9.50) $180.45 13% Coupon
Image of Fortis Manufacturing Slipstream Brake 300 BLK Muzzle Device 2 models Fortis Manufacturing Slipstream Brake 300 BLK Muzzle Device (1) As Low As (Save Up to $6.00) $94.95
Image of Fortis Manufacturing SLS FIFTY Safety Selectors 2 models Fortis Manufacturing SLS FIFTY Safety Selectors (1) As Low As (Save Up to 35%) $39.99 Blazin' Deal
Image of Fortis Manufacturing Glock 19 Match Grade Barrel 5 models Fortis Manufacturing Glock 19 Match Grade Barrel (1) As Low As (Save Up to 15%) $169.99 Final Sale
Image of Fortis Manufacturing Milspec C-158 M16 Bolt Carrier Group Fortis Manufacturing Milspec C-158 M16 Bolt Carrier Group (3) List: $119.95 (Save $6.00) $113.95 13% Coupon
Image of OpticsPlanet Exclusive Fortis Manufacturing Shift Short Angled Firearm Grip, Picatinny OpticsPlanet Exclusive Fortis Manufacturing Shift Short Angled Firearm Grip, Picatinny (1) List: $70.99 (Save 37%) $44.99
Image of Fortis Manufacturing Super Lean Sport/SLS FIFTY Safety Selector 4 models Fortis Manufacturing Super Lean Sport/SLS FIFTY Safety Selector (9) As Low As (Save Up to 42%) $39.99
Image of Fortis Manufacturing Magazine Catch And Release 9 models Fortis Manufacturing Magazine Catch And Release (12) As Low As (Save Up to 25%) $21.63 Best Rated
Image of Fortis Manufacturing 7.62MM R.E.D. Barrel Muzzle Brake 2 models Fortis Manufacturing 7.62MM R.E.D. Barrel Muzzle Brake (23) List: $64.95 (Save $3.25) $61.70 10% Coupon
Image of Fortis Manufacturing Slipstream Brake .308 Muzzle Device 2 models Fortis Manufacturing Slipstream Brake .308 Muzzle Device As Low As (Save Up to $6.00) $94.95
Image of Fortis Manufacturing Billet Dust Cover 7 models Fortis Manufacturing Billet Dust Cover (15) As Low As (Save 42%) $29.99
Image of Fortis Manufacturing Clutch 5.56 Charging Handle 2 models Fortis Manufacturing Clutch 5.56 Charging Handle (15) List: $54.38 (Save 45%) $29.99 10% Coupon
Image of Fortis Manufacturing Slipstream Brake 9mm, 1/2x28 Threads 2 models Fortis Manufacturing Slipstream Brake 9mm, 1/2x28 Threads As Low As (Save Up to 12%) $94.95 Blazin' Deal
Image of Fortis Manufacturing Fortis Billet Upper Receiver Fortis Manufacturing Fortis Billet Upper Receiver (10) List: $199.95 (Save $10.00) $189.95 13% Coupon
Image of Fortis Manufacturing Shift Short Angled Firearm Grip 2 models Fortis Manufacturing Shift Short Angled Firearm Grip (25) As Low As (Save Up to 23%) $43.99 Best Rated
Image of Fortis Manufacturing QD M-LOK Sling Mount 6 models Fortis Manufacturing QD M-LOK Sling Mount (28) As Low As (Save Up to 45%) $13.49 10% Coupon
Image of Fortis Manufacturing QD M-LOK Sling Mount w/Swivel Fortis Manufacturing QD M-LOK Sling Mount w/Swivel (4) List: $44.46 (Save 42%) $25.99
Image of Fortis Manufacturing AR-15 Enhanced Stainless Steel Bolt Catch Nitride Fortis Manufacturing AR-15 Enhanced Stainless Steel Bolt Catch Nitride List: $45.99 (Save 17%) $37.99
Image of Fortis Manufacturing Standard QD End Plate and Castle Nut Combo Fortis Manufacturing Standard QD End Plate and Castle Nut Combo (3) List: $37.15 (Save 43%) $20.99
Image of Fortis Manufacturing Slipstream Brake 5.56mm Muzzle Device 3 models Fortis Manufacturing Slipstream Brake 5.56mm Muzzle Device As Low As (Save Up to 22%) $93.99 Final Sale
Image of Fortis Manufacturing Clutch AR 10 7.62mm Charging Handle 7 models Fortis Manufacturing Clutch AR 10 7.62mm Charging Handle (3) As Low As (Save Up to 38%) $37.45
Image of Fortis Manufacturing Reversible Shift Handstop 2 models Fortis Manufacturing Reversible Shift Handstop (4) As Low As (Save Up to 41%) $34.99
Image of Fortis Manufacturing SHIFT Short Angled Grip M-LOK 5 models Fortis Manufacturing SHIFT Short Angled Grip M-LOK (1) As Low As (Save Up to 24%) $37.76 On Sale
Image of Fortis Manufacturing Magazine Catch 9 models Fortis Manufacturing Magazine Catch (15) As Low As (Save Up to 30%) $13.83 Best Rated
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287 products Gear Up With 10% Off Tons of Amazing Gear While supplies last!
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Fortis Manufacturing How To Guides View All

4 Most Common AR15 Issues & How to Fix Them by Corey F.
Top 4 Optic Cuts for Pistol Slides by Corey F.
Are Pistol Red Dots Worth the Money? by Brett R.
What Is an LPVO? by Brett R.
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