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Shop Cross Armory Products — Gun Parts, Rifle Parts — Up to 50% Off — 43 products / 140 models

Buying Info Videos

Enhance your shooting experience with Cross Armory weapon modifiers and accessories. Improve your existing weapons system with Cross Armory engineered, developed, and manufactured Gun Parts that improve your overall shooting adventure. Get maximum surface contact style with an off-hand design that is more efficient than traditional models. Comfortable and without contracting moving slides, Cross Armory Pistol Parts offer better control and recoil when on target compared to traditional models. Target and re-acquire more quickly and efficiently with Cross Armory. From Gun Storage to Gunsmithing Equipment Cross Armory gear is built with the intent to retain functionality. Check out our Clearance page for even more great deals on the brands you know and love. Don't forget, OpticsPlanet always has your back with FREE SHIPPING on orders over $49.image

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Image of Gun Parts category Gun Parts
Image of Pistol Parts category Pistol 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 Magazines category Magazines
Image of AR15 Magazine Catches & Releases category AR15 Magazine Catches & Releases
Image of Pistol Triggers category Pistol Triggers
Image of Weapon Accessories category Weapon Accessories
Image of AR15 Takedown & Pivot Pins category AR15 Takedown & Pivot Pins
Image of Castle Nut Wrenches category Castle Nut Wrenches
Image of Gunsmithing Equipment category Gunsmithing Equipment
Image of Gunsmithing Tools category Gunsmithing Tools
Image of Magazine Extensions category Magazine Extensions
Image of Pistol Magazine Extensions category Pistol Magazine Extensions
Image of Pistol Slides & Slide Parts category Pistol Slides & Slide Parts
Image of AR15 Bolt Catches & Releases category AR15 Bolt Catches & Releases
Image of Pistol Sights category Pistol Sights
Image of Tritium & Fiber Optic Night Sights category Tritium & Fiber Optic Night Sights
Image of Tritium Pistol Sights category Tritium Pistol Sights

43 Products in Cross Armory

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Image of Cross Armory Castle Nut Wrenches Cross Armory Castle Nut Wrenches (53) List: $16.99 (Save $1.50) $15.49 Best Rated
Image of Cross Armory Standard Lower Parts Kit Cross Armory Standard Lower Parts Kit (5) List: $83.99 (Save $4.00) $79.99 Best Rated
Image of Cross Armory AR Fixed Mags 2 models Cross Armory AR Fixed Mags (3) As Low As (Save Up to 23%) $23.99
Image of Cross Armory Quick Takedown Pins 4 models Cross Armory Quick Takedown Pins (7) As Low As (Save Up to 29%) $95.99 Clearance
Image of Cross Armory Weighted Base Plate +0 Magazine Extension 7 models Cross Armory Weighted Base Plate +0 Magazine Extension (1) As Low As (Save Up to 37%) $32.99
Image of Cross Armory Performance Flared Magwell For Glock 17/19/22/23/24/31/32/34/35 Gen 1-3 5 models Cross Armory Performance Flared Magwell For Glock 17/19/22/23/24/31/32/34/35 Gen 1-3 (2) As Low As (Save Up to 10%) $69.29
Image of Cross Armory +5 Magazine Extension 6 models Cross Armory +5 Magazine Extension (11) As Low As (Save Up to 27%) $41.99 Best Rated
Image of Cross Armory 3-Piece Kit/ Pin Set 8 models Cross Armory 3-Piece Kit/ Pin Set (4) As Low As (Save Up to 35%) $43.99
Image of Cross Armory Big Bolt Catches Cross Armory Big Bolt Catches (6) List: $51.99 (Save $4.00) $47.99
Image of Cross Armory Standard Upper Parts Kit 2 models Cross Armory Standard Upper Parts Kit (1) List: $79.99 (Save 10%) $71.99
Image of Cross Armory Double Stack Magazine Floor Plates 3 models Cross Armory Double Stack Magazine Floor Plates (4) As Low As (Save Up to 18%) $33.99
Image of Cross Armory Safe Magazine 4 models Cross Armory Safe Magazine As Low As (Save Up to 10%) $57.99
Image of Cross Armory Operator Kits 3-Piece w/3-Pin Set 3 models Cross Armory Operator Kits 3-Piece w/3-Pin Set (3) As Low As (Save Up to $4.00) $47.99
Image of Cross Armory Performance Drop In Triggers Cross Armory Performance Drop In Triggers (4) List: $129.99 (Save 17%) $107.99
Image of Cross Armory AR-15/M4 Safe Magazine 2 Cross Armory AR-15/M4 Safe Magazine 2 (2) List: $75.99 (Save $2.00) $73.99
Image of Cross Armory Flop Stops w/Pin Pal Cross Armory Flop Stops w/Pin Pal (3) List: $53.99 (Save 27%) $39.49
Image of Cross Armory Enhanced Flat Faced Triggers 14 models Cross Armory Enhanced Flat Faced Triggers (1) As Low As (Save 10%) $88.19
Image of Cross Armory Extended Magazine Catches 5 models Cross Armory Extended Magazine Catches (3) List: $29.99 (Save Up to 46%) $21.99
Image of Cross Armory Stock Locks Cross Armory Stock Locks (4) List: $55.50 (Save 24%) $41.99 Final Sale
Image of Cross Armory Glow-In-The-Dark Pistol Sights 7 models Cross Armory Glow-In-The-Dark Pistol Sights As Low As (Save Up to 29%) $42.99
Image of Cross Armory Flared Magwells For Glock P80 4 models Cross Armory Flared Magwells For Glock P80 (3) As Low As (Save 10%) $69.29
Image of Cross Armory Extended Slide Locks 5 models Cross Armory Extended Slide Locks (11) As Low As (Save Up to 48%) $13.99 Best Rated
Image of Cross Armory 4 Pin Sets 5 models Cross Armory 4 Pin Sets (3) As Low As (Save Up to 48%) $15.70
Image of Cross Armory 3-Piece Kit 4 Pin Set 6 models Cross Armory 3-Piece Kit 4 Pin Set (1) As Low As (Save Up to 10%) $43.99
Image of Cross Armory 4 Pin V and C Sets 3 models Cross Armory 4 Pin V and C Sets (1) As Low As (Save Up to 27%) $15.99
Image of Cross Armory 3 Pin Sets 9 models Cross Armory 3 Pin Sets (12) As Low As (Save Up to 50%) $13.99
Image of Cross Armory Thumb Grips Cross Armory Thumb Grips (2) $45.99
Image of Cross Armory CRRMADAPTER Adapter Plate Black Oxide Aluminum Compatible W/ RMR O 2 models Cross Armory CRRMADAPTER Adapter Plate Black Oxide Aluminum Compatible W/ RMR O As Low As $35.99 Final Sale
Image of Cross Armory Magazine Catches 5 models Cross Armory Magazine Catches As Low As (Save Up to 46%) $21.99
Image of Cross Armory Universal Back Plate 2 models Cross Armory Universal Back Plate As Low As (Save Up to 22%) $27.99
Image of Cross Armory 4 Pin Sets P80 Performance Cross Armory 4 Pin Sets P80 Performance (1) List: $17.99 (Save 11%) $15.99
Image of Cross Armory Lower Parts Kit Cross Armory Lower Parts Kit List: $109.99 (Save $10.00) $99.99
Image of Cross Armory Rear Sight Dove Tail Adapter Plate Cross Armory Rear Sight Dove Tail Adapter Plate List: $93.99 (Save $2.00) $91.99
Image of Cross Armory Pin Sets 2 models Cross Armory Pin Sets (2) List: $29.99 (Save 47%) $15.99
Image of Cross Armory Performance Triggers w/Bar Cross Armory Performance Triggers w/Bar List: $97.99 (Save 10%) $88.19
Image of Cross Armory 3 Piece Upgrade Kit 4 models Cross Armory 3 Piece Upgrade Kit As Low As (Save Up to 14%) $59.99
Image of Cross Armory Pin Pal Pin Replacements 2 models Cross Armory Pin Pal Pin Replacements As Low As (Save Up to 30%) $31.99
Image of Cross Armory Performance Flared Magwells For Glock Gen 5 4 models Cross Armory Performance Flared Magwells For Glock Gen 5 (6) As Low As (Save 10%) $73.79
Image of Cross Armory 3-Piece Upgrade Kits Cross Armory 3-Piece Upgrade Kits List: $46.99 (Save $3.00) $43.99
Image of Cross Armory Glock 19/23/32 9mm/.40 S&W/.357 SIG Aluminum +0 Magazine Extension Cross Armory Glock 19/23/32 9mm/.40 S&W/.357 SIG Aluminum +0 Magazine Extension List: $61.99 (Save 19%) $49.99
Image of Cross Armory CRRDORMSC Black 3 MOA Red Dot Reticle Cross Armory CRRDORMSC Black 3 MOA Red Dot Reticle List: $199.99 (Save 26%) $147.49
Image of Cross Armory Tac 2 AR-15 Trigger Kit Cross Armory Tac 2 AR-15 Trigger Kit List: $144.14 (Save $8.65) $135.49
Image of Cross Armory Glock 17/22/31 9mm/.40 S&W/.357 SIG Aluminum +0 Magazine Extension Cross Armory Glock 17/22/31 9mm/.40 S&W/.357 SIG Aluminum +0 Magazine Extension List: $61.99 (Save 23%) $47.99
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Cross Armory How To Guides View All

Most Popular OPMOD Red Dot Sights by Corey F.
SIG SAUER Romeo Red Dot Comparison by Brett R.
What Is an AICS Magazine? by Brett R.
Best AR Iron Sights of 2026 on OpticsPlanet by OpticsPlanet Product Expert

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