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2587 Products
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- Back Up / Iron Sights
- Barrels & Accessories
- Bipod & Monopod Accessories
- Bipods & Monopods
- Bolt Carrier Groups and Parts
- Bolt Releases
- Caliber Conversions
- Charging Handles
- Cleaning Supplies
- Conversion Kits
- Frames
- Furniture Sets
- Gas Blocks
- Grips
- Light/Laser Mounts
- Lower Parts and Kits
- Lower Receivers
- Magazine Accessories
- Magazines
- Magwells
- Muzzle Devices
- Parts
- Pistol Braces
- Precision Chassis/Stocks
- Precision Rifle Bases
- Rail Accessories
- Rails & Handguards
- Receiver Sets
- Red Dot Mounts
- Scope Accessories
- Scope Mounts
- Side Saddles
- Sight Parts
- Sights
- Slides
- Slings & Mounts
- Stock Components
- Stocks
- Suppressor Accessories
- Triggers
- Upper Parts
SUB CATEGORY
- AK Gas Pistons
- Accessories
- Barrel Extensions
- 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
- Connectors
- Drop In Handguards
- Ejection Port Covers
- End Plates and Castle Nuts
- Extractors
- Fake Suppressors
- Featureless Stocks
- Firing Pins & Strikers
- Flash Hiders
- Forward Assists
- Forward Optic Mounts
- Free Float Handguards
- Front Sight Posts
- Front Sights
- Gas Tubes
- Guide Rods & Assemblies
- Hammers & Assemblies
- Handstops
- Lower Parts Kits
- MIL-SPEC Buffer Kits
- Magazine Floorplates and Extensions
- Magazine Followers
- Magazine Releases
- Magazine Tube Extensions
- Magazines - Restricted Capacity
- Magazines - Standard Capacity
- Muzzle Brakes and Comps
- Offset Sights
- PDW Stocks
- Parts Kits
- Pistol Buffer Kits
- Pistol Grips
- Rail Covers
- Rail Sections
- Rear Sights
- Recoil Springs
- Rifle Buffer Kits
- Rifle Stocks
- Rimfire
- Safety Selectors
- Shims and Washers
- Shotgun Optic Mounts
- Side Mounts
- Sight Rails
- Sight Sets
- Slide Adapter Plates
- Slide Back Plates
- Slide Stops
- Sling Mounts
- Small Parts and Components
- Springs
- Stock Accessories
- Stock Adapters
- Stock Kits
- Takedown and Pivot Pins
- Thread Adapters
- Throw Levers
- Trigger Guards
- Trigger Pins
- Upper Parts Kits
- Vertical Foregrips
BRAND
- Aero Precision
- Agency Arms
- Aimsports
- Alpha Shooting Sports
- Anderson Manufacturing
- Angstadt Arms
- Apex Tactical
- Arisaka Defense
- B5 Systems
- Backup Tactical
- Ballistic Advantage
- Battle Arms Development
- Black Rain Ordnance
- Bravo Company Manufacturing
- Breek Arms
- CGS Group
- CMC Triggers
- CMMG
- Caldwell
- Centurion Arms
- Cross Machine Tool
- Cryptic Coatings
- D&H Industries
- Daniel Defense
- Dead Air Armament
- Diamondback Firearms
- Elftmann
- Ergo Grips
- Evolution Gun Works
- Evolve Weapons Systems
- FN America
- Fail Zero
- Faxon Firearms
- Ferfrans
- Fortis Manufacturing
- Forward Controls Design
- Foxtrot Mike Products
- GG&G
- Geissele Automatics
- Ghost Inc.
- Grey Ghost Precision
- Griffin Armament
- Guntec USA
- HIPERFIRE
- Hera Arms
- Hogue
- JP Enterprises
- James Madison Tactical
- KAK Industry
- KNS Precision
- Krebs Custom
- 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
- Night Fision
- NightHawk Custom
- Noveske Rifleworks
- Odin Works
- Overwatch Precision
- P.O.F. USA
- Phase 5 Tactical
- Pioneer Arms
- Precision Reflex, Inc.
- Primary Arms
- Primary Weapons Systems
- Q
- RS Products
- Radian Weapons
- Radical Firearms
- Rearden
- Reptilia Corp
- Rise Armament
- Rival Arms
- Rock River Arms
- Rosco Manufacturing
- Ruger
- SB Tactical
- SCT Manufacturing
- SLR Rifleworks
- San Tan Tactical
- Seekins Precision
- Shalo Tek
- Slate Black Industries
- Sons of Liberty Gun Works
- Spike's Tactical
- Sprinco USA
- Stern Defense
- Strike Industries
- Superlative Arms
- SureFire
- Sylvan Arms
- TRUE Precision
- Tactical Kinetics
- Tandemkross
- Tango Down
- Taran Tactical
- Texas Weapon Systems
- Timber Creek Outdoors
- Timney Triggers
- TriggerTech
- Trijicon
- Troy Industries
- US Palm
- Unity Tactical
- VG6 Precision
- VKTR Industries
- VLTOR
- Volquartsen
- WMD Guns
- Warne Scope Mounts
- Wilson Combat
- Yankee Hill Machine
- Zaffiri Precision
- Zastava
- AK Handguards
- AK Safety
- AR Furniture Kit
- AR Lowers
- Barrels
- Barrels - Handgun
- Bipod Accessories
- 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
- Firing Pin/Striker
- Forward Assist
- Gas Block
- Gas Tubes / Pistons
- Grip
- Grip Accessories
- Handguard Accessories
- Handguards
- Handguards Drop In
- Handguards Free Float
- Handgun Frames
- Handgun Muzzle Devices
- Handgun Parts
- Handgun Sights
- Handgun Slides
- Iron Sights
- Light Mounts
- Lower Parts
- Lower Parts Kits
- Magazine Accessory
- Magazine Release
- Magazines
- Magwell
- Muzzle Devices
- Optic Accessories
- Pins (Trigger / Takedown / Etc.)
- Rail Bases
- Receiver Extension
- Recoil Springs
- Red Dot Mounts
- Safety Selector
- Scope Mounts
- Shotgun Magazine Tubes
- Shotgun Side Saddles
- Springs / Detents / Small Parts
- Stock Accessories
- Stock Kits
- Stocks
- Suppressor Parts
- Trigger Guard
- Triggers
- Upper Parts
FITMENT
- AK-47 / 74 - Stamped Receiver
- AR-15
- AR-15 / AR-308
- Armalite AR-10 Pattern
- 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
- DPMS High Profile Receivers
- JP 9mm Bolt Carrier
- M1913 Picatinny
- Multiple - See Description
- Rifle Length A1 / A2 Receiver Extensions
- Romanian AKs
- Special
- Stamped Receiver AKs
- Standard AK-47/74
- Vz.58 / Cz.58 Rifles
- Yugo AKs
- Luth-AR MBA-1/2/3/4
- AR-308
- 9mm or .40 Glock Magazines
- 9mm or .40 P320, P250, M&P
- 9mm Beretta 92 Magazines
- CZ Scorpion EVO 3
- M92 AK-47
- AR 308
- AR 308 Parts
- Apparel
- Archived
- Armor
- BCGs In Stock
- BFC Build
- Back Up Sights on Sale
- Barrels
- Best of 2024
- Bipods
- 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
- 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
- Odyssey 2
- Optic Mounts on Sale
- Optics
- Optics Accessories
- Optics on Sale
- Other Platforms
- Other Platforms Other Rifles
- Other Rifles
- PCC AR9 3Gun Starter
- PCC Build
- Pistol Caliber Carbines
- 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
- 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
- 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 Parts on Sale
- Upper Receivers on Sale
- Uppers on Sale
- Weapon Lights on Sale
- X39 Space Gun Build
- custom presscheck consulting m4 89 rifle package
- Female Clothing and Accessories Sale
PLATFORM
- 10/22
- 1911 Handguns
- AK-47/74
- AR-15
- AR-15 Magazines
- AR-15/AR-308
- AR-308/AR10
- Benelli Shotguns
- Beretta Shotguns
- Bushmaster Rifles
- CAA MCK Platform
- CZ Handguns
- CZ Scorpion EVO 3
- Dead Air Suppressors
- FN Handguns
- FN Rifles
- Glock Handguns
- HK Handguns
- HK Magazines
- HK Rifles
- IWI Rifles
- KeyMod
- KeyMod / M-LOK
- LMT Rifles
- M1913 Picatinny
- MP5
- Marlin Rifles
- Mossberg Shotguns
- M-LOK
- Odin Works Suppressors
- Remington Rifles
- Remington Shotguns
- Ruger Handguns
- SIG Sauer Handguns
- SIG Sauer MCX/MPX
- SIG Sauer Magazines
- SIG Sauer Rifles
- Shotguns
- Smith & Wesson Handguns
- Springfield Armory Handguns
- Walther Handguns
- YHM Suppressors
With over 100,000 parts in stock, Primary Arms is your ground zero for gun parts and all things firearm related. Specializing in rifle parts, and AK-47 gun parts, Primary Arms carries gun parts for everything from handguns to AR-15s & 308s. Browse our selection of barrels, gas blocks, slings, stocks, and more by scrolling below or selecting a filter on the left to search by part type
