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2246 Products
Clear AllCATEGORY
- Back Up / Iron Sights
- Barrels & Accessories
- Bipods & Monopods
- Bolt Carrier Groups and Parts
- Brass Catcher
- Caliber Conversions
- Charging Handles
- Cleaning Supplies
- Complete Short Barreled Rifles
- Conversion Kits
- Firearm Parts
- Furniture Sets
- Gas Blocks
- Gas Piston Conversions
- Grips
- Gunsmithing Tools
- Lower Parts and Kits
- Lower Receivers
- Magazine Accessories
- Magazines
- Muzzle Devices
- Parts
- Pistol Braces
- Rail Accessories
- Rails & Handguards
- Receiver Sets
- Red Dot Mounts
- Rifle Kits
- Rifles
- Rifle-Style Pistols
- Scope Mounts
- Sight Parts
- Stock Components
- Stocks
- Suppressor Accessories
- Triggers
- Upper Parts
- Upper Receivers
- Weapon Lights
SUB CATEGORY
- Accessories
- Barrel Nuts
- Barrels
- Bipods
- Blast Diverters
- Bolt Assemblies
- Bolt Catches
- Bolt and Carrier Parts
- Buffer Kits
- Buffer Springs
- Buffer Tubes
- Buffers
- Carbine Stocks
- Carbon Scraper
- Carrier Assemblies
- Charging Handles
- Cheek Risers
- Complete Bolt Carrier Groups
- Complete Lower Receivers
- Drop In Handguards
- Ejection Port Covers
- End Plates and Castle Nuts
- Fake Suppressors
- Featureless Stocks
- Firing Pins & Strikers
- Flash Hiders
- Forward Assists
- Free Float Handguards
- Front Sight Posts
- Front Sights
- Gas Tubes
- Handstops
- Lower Parts Kits
- MIL-SPEC Buffer Kits
- Magazine Couplers
- Magazine Floorplates and Extensions
- Magazine Releases
- Magazines - Extended Capacity
- Magazines - Restricted Capacity
- Magazines - Standard Capacity
- Monopods
- Muzzle Brakes and Comps
- Offset Mounts
- Offset Sights
- PDW Stocks
- Pistol Buffer Kits
- Pistol Grips
- Rail Covers
- Rail Sections
- Rear Sights
- Rifle Buffer Kits
- Rifle Stocks
- Rimfire
- Safety Selectors
- Shims and Washers
- Sight Sets
- Small Parts and Components
- Stock Accessories
- Stock Adapters
- Stock Kits
- Stripped Lower Receivers
- Takedown and Pivot Pins
- Thread Adapters
- Trigger Guards
- Trigger Pins
- Upper Parts Kits
- Vertical Foregrips
- Vises, Jigs and Blocks
- Wrenches
BRAND
- Adams Arms
- Adaptive Tactical
- Aero Precision
- Aimsports
- Alpha Shooting Sports
- Amend 2
- American Defense
- Ammunition Storage Components
- Anderson Manufacturing
- Angstadt Arms
- Apex Tactical
- Arisaka Defense
- Atlas Bipods
- B5 Systems
- Ballistic Advantage
- Battle Arms Development
- Black Rain Ordnance
- Bobro Engineering
- Bravo Company Manufacturing
- Breek Arms
- CMC Triggers
- CMMG
- Caldwell
- Centurion Arms
- Cross Industries
- Cross Machine Tool
- Cryptic Coatings
- D&H Industries
- DURAMAG
- Daniel Defense
- Del-Ton
- Diamondback Firearms
- Dueck Defense
- Elftmann
- Ergo Grips
- Evolve Weapons Systems
- E-Lander
- FN America
- Fail Zero
- Faxon Firearms
- Ferfrans
- Fortis Manufacturing
- Forward Controls Design
- Foxtrot Mike Products
- GG&G
- Geissele Automatics
- Grey Ghost Precision
- Griffin Armament
- Guntec USA
- HIPERFIRE
- Harris Engineering
- Hera Arms
- Hexmag
- Hogue
- JP Enterprises
- James Madison Tactical
- KAK Industry
- KNS Precision
- Kynshot
- LBE Unlimited
- LaRue Tactical
- Lancer Systems
- Lantac USA
- Law Tactical
- Leapers / UTG
- Lewis Machine & Tool
- Luth-AR
- MDT
- Manticore Arms
- Midwest Industries
- Mission First Tactical
- Next Level Armament
- Noveske Rifleworks
- Odin Works
- P.O.F. USA
- Phase 5 Tactical
- Precision Reflex, Inc.
- Primary Arms
- Primary Weapons Systems
- Q
- Radian Weapons
- Radical Firearms
- Rearden
- Reptilia Corp
- Rise Armament
- Rock River Arms
- Rosco Manufacturing
- SB Tactical
- SLR Rifleworks
- San Tan Tactical
- Seekins Precision
- Slate Black Industries
- Sons of Liberty Gun Works
- Spike's Tactical
- Sprinco USA
- Stern Defense
- Strike Industries
- Superlative Arms
- SureFire
- Sylvan Arms
- TRUE Precision
- Taran Tactical
- Timber Creek Outdoors
- Timney Triggers
- TriggerTech
- Trijicon
- Troy Industries
- Unity Tactical
- VG6 Precision
- VKTR Industries
- VLTOR
- WMD Guns
- Warne Scope Mounts
- Yankee Hill Machine
- Scalarworks
- AK Handguards
- AR Furniture Kit
- AR Lowers
- AR Uppers - Barreled
- AR Uppers - Complete Upper Half
- Barrels
- Barrels - Handgun
- Bipods
- Bolt Assembly
- Bolt Carrier Group
- Bolt Carrier Group Pistol Cal
- Bolt Catch
- Buffer
- Buffer Springs
- Caliber Conversions
- Carrier Assembly
- Charging Handle
- Cleaning Supplies
- Complete Buffer Kits
- Ejection Port Cover
- End Plate
- FLASHLIGHTS / LASERS / IR - WEAPON MOUNT
- Firing Pin/Striker
- Forward Assist
- Gas Block
- Gas Tubes / Pistons
- Grip
- Handguard Accessories
- Handguards
- Handguards Drop In
- Handguards Free Float
- Iron Sights
- Lower Parts
- Lower Parts Kits
- Magazine Accessory
- Magazine Release
- Magazines
- Muzzle Devices
- Optic Accessories
- Pins (Trigger / Takedown / Etc.)
- Receiver Extension
- Red Dot Mounts
- Safety Selector
- Scope Mounts
- Semi-Auto Rifle
- Shooting Gear
- Springs / Detents / Small Parts
- Stock Accessories
- Stock Kits
- Stocks
- Suppressor Parts
- Tools
- Trigger Guard
- Triggers
- Upper Parts
FITMENT
- AR-15
- AR-15 / AR-308
- AR-15 Carry Handle
- A2 Rifle Extension
- Commercial Spec - 1.17 in
- MIL-SPEC - 1.14 in
- Pistol Extension - 1.0 in - 1.2 in
- DPMS / SR-25 Pattern
- JP 9mm Bolt Carrier
- Multiple - See Description
- Rifle Length A1 / A2 Receiver Extensions
- Special
- Luth-AR MBA-1/2/3/4
- 9mm or .40 Glock Magazines
- 9mm or .40 P320, P250, M&P
- 9mm Beretta 92 Magazines
- AR 15
- AR 308
- AR 308 Parts
- All AK Triggers
- Apparel
- Archived
- Armor
- BCGs In Stock
- BFC Build
- Back Up Sights on Sale
- Barrels
- Barrels Under 100 Dollars
- Best of 2024
- Bipods
- Black Friday Sale
- Bolt Action Rifles
- Bolt Carrier Groups
- Bolt Carrier Groups on Sale
- Camo Gifts
- Century International Arms AK Rifles
- Charging Handles
- Clearance
- Clothing & Accessories
- Competition Ready Handguns
- Custom ALG El Jefe AR15 Package
- Daniel Defense MK12 Rifle Package
- EDC Glock Build
- End Plates and Castle Nuts on Sale
- Exclusive Deals for Qualified Individuals
- Fathers Day Bundle
- Firearms
- Firearms In Stock
- Firearms Receiver Sets
- Firearms on Sale
- First Aid
- First Aid on Sale
- GIFTS FOR YOURSELF OVER $500
- GIFTS UNDER $500
- Gas Blocks
- Gas Blocks and Tubes on Sale
- Gift Ideas Under 100 Dollars
- Gift Ideas Under 25 Dollars
- Gift Ideas Under 50 Dollars
- Gifts Over 200
- Gifts Under $100
- Gifts Under $25
- Gifts Under $250
- Gifts Under $50
- Gifts Under 20
- Gifts Under 200
- Gifts Under 50
- Gifts for AR15 Builders
- Gifts for Avid Hunters
- Gifts for Competitive Shooters
- Gifts for Concealed Carry
- Gifts for Long Range Shooters
- Gifts for the Builders
- Gifts to Treat Yourself
- Grips
- Gun Parts
- Gun Safety
- Handguards Under 100 Dollars
- Handgun Parts and Accessories In Stock
- Handgun Parts and Accessories on Sale
- Handgun Slides on Sale
- Handguns
- Harris Bipods
- Hearing and Eye Protection
- Home Defense Build
- Hunting Essentials
- Hunting Firearms
- Hunting Gear
- Hunting Lights
- Hunting Optics
- KynSHOT Precision Carbine Recail Dampers
- LE Duty Grade Gear
- LE Restricted Firearms
- Law Enforcement Rifles
- Light Accessories
- Lights and Lasers
- Lights and Lasers on Sale
- Limited Edition LaRue Tactical Rifles
- Lower Parts Kits on Sale
- Lowers on Sale
- Magazines
- Magazines on Sale
- Magpul Magazines
- Modern Mk12 SPR Build
- Monthly Giveaway
- Mounts
- Muzzle Devices
- Muzzle Devices on Sale
- NFA Items
- New Primary Arms SLx Mounts
- Odyssey 2
- Odyssey 2.0 SLx Gen II 3-18x
- Optic Mounts on Sale
- Optics
- Optics Accessories
- Optics on Sale
- Other Platforms
- Other Platforms NFA Sound Suppressors
- Other Platforms Other Rifles
- Other Rifles
- PCC AR9 3Gun Starter
- PCC Build
- Pistol Caliber Carbines
- Plate Carriers, Armor Plates, and Chest Rigs
- Plate Carriers Armor Plates and Chest Rigs
- Primary Arms Gear on Sale
- Primary Arms Optics and Magnifiers
- Primary Arms SLx 1 6x24 SFP Rifle Scope Gen IV
- Primary Arms SLx 3 18x50mm FFP
- Rails and Handguards
- Rails and Handguards on Sale
- Rifles
- Roland Special Build
- SLx 3x Micro Magnifier
- SOLGW M476 AR15 Package
- Semi Auto Rifle
- Shooting Gear
- Shop Lights
- Shop for Yourself
- Short Barrel Rifles
- Shotguns
- Sights
- Slings and Sling Mounts on Sale
- Slings on Sale
- Special Gifts
- Spikes Tactical Complete Lowers
- Spikes Tactical Laser Engraved Ejection Doors
- Stocking Stuffers
- Stocks and Grips
- Stocks on Sale
- Strike Industries AR15 Shift Pins
- Suppressors
- Survival Gear
- Tactical Gear
- Tools and Cleaning Supplies
- Top Night Vision Products
- Triggers
- Triggers on Sale
- Troy Industries 16in 5.56 SPC A3 AR15 Package
- Upper Barreled Assemblies
- Upper Complete Assemblies
- Upper Parts on Sale
- Upper Receivers on Sale
- Uppers on Sale
- Weapon Lights on Sale
- Wholesale Featured Products
- X39 Space Gun Build
- Yankee Hill Machine Phantom Flash Hiders
- custom presscheck consulting m4 89 rifle package
- Female Clothing and Accessories Sale
- Other Sale Items
- Barrels on Sale
- Lower Receivers on Sale
- Magazines on Sale
- Triggers on Sale
- Bolt Carrier Groups on Sale
- Muzzle Devices on Sale
- Rails and Handguards on Sale
- Aero Precision Brand Sale
- Strike Industries Brand Sale
- Geissele Automatics Brand Sale
- SureFire Brand Sale
- Sons of Liberty Gun Works Brand Sale
- Rise Armament Brand Sale
- BCM Brand Sale
- Clearance
- Geissele Automatics Super Charging Handles
- Mission First Tactical Minimalist Stocks on Sale
- Optic Mounts on Sale
- All Gas Blocks on Sale
- SureFire Muzzle Devices on Sale
- LaRue Tactical Brand Sale
- Bipods & Tripods On Sale
- Bravo Company Mfg Enhanced Lower Parts Kits
- B5 Systems Type 23 Grips on Sale
- Geissele Automatics SSA X and SSA E X AR15 Triggers
- Ballistic Advantage Barrels on Sale
- Unity Tactical FAST 2.26" Risers On Sale
- Surefire X300 and X400 Weapon Lights On Sale
- Bravo Company Mfg. Rails & Handguards On Sale
- Radian Weapons Raptor Charging Handles On Sale
- All Shooting Accessories on Sale
- All Springs Buffers and Buffer Tubes on Sale
- All Rail Accessories on Sale
- Aero Precision Rails and Handguards On Sale
- All Faxon Firearms Barrels on Sale
- Midwest Industries Rails and Handguards On Sale
- All Bravo Company Mfg. Grips on Sale
- Aero Precision Enhanced Standard Carbine Buffer Kits On Sale
- All End Plates & Castle Nuts on Sale
- B5 Systems Bravos Stocks On Sale
- All DURAMAG Magazines On Sale
- All Radian Weapons Safety Selectors on Sale
- Geissele Automatics SSA and SSAE AR15 Triggers
- Geissele Automatics MK16 SMR AR15 Handguards On Sale
- Geissele Automatics Cold Hammer Forged Barrels On Sale
- Geissele Automatics Ultra Duty Lower Parts Kit On Sale
- Geissele Automatics Super Dynamic Series Triggers on Sale
- Earn Bonus Bucks on All Forward Control Desgin Ambi Safeties
Primary Arms is your single source for all things relating to the AR-15 and M4. We pride ourselves on having a wide variety of AR-15 parts, firearms, tactical accessories and gear. We carry hundreds of the top leading brands such as Daniel Defense®, CMC, Spikes, Magpul, BCM and many more. Browse through our AR-15 Parts Store for triggers, upper receivers, bolt carriers, gas blocks, lower parts, kits, pistols, sights, grips, rails, handguards, and much more.