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- Other Sale Items
- 24 Hour Deal
- SME Picatinny Mount Bipods
- Select CMC Single Stage Triggers
- Guntec USA Handguards on Sale
- Select Vortex Optics Crossfire II Scope with Select Mount
- Faxon Firearms Gas Blocks
- Magpul MBUS Sights
- Mission First Tactical Engage AR15 Enhanced Full Size Pistol
- Strike Industries Venom Flash Hiders
- Stock and Braces on Sale
- Spikes Tactical Barrels on Sale
- Tactical Kinetics Glock 19 Barrels on Sale
- KAK Industry 9mm NATO Melonite Barrels
- 224 Valkyrie
- 224 Valkyrie Rifles
- 2A Armament AR 22LR Steel Feed Translucent Smoke Magazines
- 308 Hunting Build
- 458 SOCOM BUILD
- 6 5 Grendel
- ACSS Optics
- AK 47
- AK 47 Complete Guns
- AK 47 Grips
- AK 47 Magazines
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- AK 47 Parts
- AK 47 Rails & Handguards
- AK 47 Stock Component
- AK 47 Stocks
- AK 47 Triggers
- AR 15
- AR 15 Barrels
- AR 15 Bolt Carriers
- AR 15 Buffer Springs
- AR 15 Buffers
- AR 15 Charging Handles
- AR 15 Complete Guns
- AR 15 Gas Blocks
- AR 15 Grips
- AR 15 Lower Parts
- AR 15 Lower Receivers
- AR 15 Magazine Releases
- AR 15 Magazines
- AR 15 Muzzle Devices
- AR 15 Part Kits
- AR 15 Pistol Arm Braces
- AR 15 Pistols
- AR 15 Rails & Handguards
- AR 15 Receiver Sets
- AR 15 Rifle Kits
- AR 15 Stock Component
- AR 15 Stocks
- AR 15 Triggers
- AR 15 Upper Parts
- AR 15 Upper Receivers
- AR 308
- AR 308 Barrels
- AR 308 Bolt Carriers
- AR 308 Complete Guns
- AR 308 Gas Blocks
- AR 308 Grips
- AR 308 Lower Parts
- AR 308 Lower Receivers
- AR 308 Magazines
- AR 308 Muzzle Devices
- AR 308 Parts
- AR 308 Pistol Arm Braces
- AR 308 Rails & Handguards
- AR 308 Stock Component
- AR 308 Stocks
- AR 308 Triggers
- AR 308 Upper Parts
- AR 308 Upper Receivers
- AR15 Trigger Guards
- AimSports AK Handguards
- All AK Triggers
- Ammunition
- Ammunition Storage Components 10 Round Magazines
- Ammunition Storage Components 5 Round Magazines
- Apparel
- B5 Systems Type 23 P Grips
- BFC Build
- Barnes VOR TX 300 BLK Ammunition
- Barrels Under 100 Dollars
- Batteries
- Bipods
- Black Hills Ammunition
- Bravo Company Mfg BCMGUNFIGHTER Compensators
- Bravo Company Mfg Compensators
- Breitbart Exclusive Sale
- Build Your Lower
- Bundles
- CMMG AR9 Lower Receivers
- Century International Arms AK Rifles
- Clearance
- Complete Handguns
- Complete and Barreled Uppers
- Daniel Defense Furniture Sets
- Daniel Defense Pistol or Vertical Grips
- Diamondhead Polymer Sighting Systems
- EDC Build
- Federal American Eagle 556 NATO Ammunition
- Firearms
- Firearms Handguns
- Firearms Lower Receivers
- Firearms Receiver Sets
- Firearms Rifle Style Pistols
- Firearms Rifles
- Firearms Shotguns
- First Aid
- Gas Blocks
- Ghost Firearms GF10 Stripped Upper Receivers
- Ghost Inc Products
- Gift Ideas Under 100 Dollars
- Gift Ideas Under 25 Dollars
- Gift Ideas Under 50 Dollars
- Gifts Over 200
- Gifts Under 20
- Gifts Under 200
- Gifts Under 50
- Glock Magazines
- Grey Ghost Build
- Grips
- Gun Parts
- Guntec USA Air Lok Series Compression Handguards
- Handguards Under 100 Dollars
- Handgun Magazines
- Handguns
- Handguns Barrels
- Handguns Caliber Conversions
- Handguns Grips
- Handguns Holsters and Mag Carriers
- Handguns Laser Sights
- Handguns Magazine Accessories
- Handguns Magazines
- Handguns Magazines1
- Handguns Magwells
- Handguns Parts
- Handguns Red Dot Mounts
- Handguns Sights
- Handguns Triggers and Assemblies
- Handguns Weapon Lights
- Harris Bipods
- Hera Arms CQR Grips
- High Speed Gear OWB Holsters
- IWI Galil ACE Pistols
- KynSHOT Precision Carbine Recail Dampers
- Lancer Systems 20 Round 300 BLK Magazines
- Leapers UTG ITA Micro Dots
- Leapers UTG PRO 2 Tone Handguards
- Lights and Lasers
- Lightweight Build Giveaway
- MWG Magazines
- Magazines
- Magnifier Mounts
- Magpul 2nd Generation MS3 Single QD Slings
- Magpul AFG Angled Fore Grips
- Magpul AK Magazines
- Magpul GLOCK Enhanced Magazine Wells
- Magpul Glock Magazines
- Magpul MBUS Pro Sights
- Magpul MIAD 1st Generation Grips
- Magpul MLOK MVG Vertical Grips
- Magpul MOE Fixed Carbine Stocks
- Magpul MOE Slim Line Handguards
- Magpul MOE Slim Line MILSPEC Carbine Stocks
- Magpul Magazines
- Magpul PMAG 10 GL9 Magazines
- Magpul PMAG 10 M3 Generation Magazines
- Magpul Type 1 or Type 2 Rail Covers
- Magpul Vertical Grips
- Magpul XTM Handstop Kits
- Mini-14
- Mission First Tactical California Compliant BATTLELINK Stocks
- Mounts
- Muzzle Devices
- NFA Items
- NFA Items Short Barrel Rifles
- NFA Items Sound Suppressors
- New Arrivals
- Optics
- Other Platforms
- Other Platforms Mini 14
- Other Platforms NFA Short Barrel Rifles
- Other Platforms NFA Sound Suppressors
- Other Platforms Other Rifles
- Other Platforms Shotguns
- PCC Build
- Red Dot Accessories
- Red Dot Magnifiers
- Red Dot Mounts
- Red Dot Sights
- Red Dots
- Rifle Scopes
- Rise Armament Super Sporting Single Stage Triggers
- Roland Special Build
- Scope Accessories
- Scope Mounts
- Scope Rings
- Scopes
- Seekins Precision Havak Pro-Hunter PH2
- Select Anderson Manufacturing 16 inch 556 NATO M4 Uppers
- Select Diamondhead USA VersaRails
- Select Ghost Firearms Pistol Kits
- Select Inforce APL Gen3 400 Lumen Pistol Lights
- Select Radical 16 inch Rifle Kits
- Select Smith and Wesson Bodyguard 380 Sub Compact Handguns
- Select Springfield Armory XD9 Fullsize Handguns
- Select Troy Industries Alpha BattleRails
- Select Troy Rear Folding BattleSights
- Select Walther PK308 ACP Compact Handguns
- Shooting Gear
- Shotgun Accessories
- Shotgun Pistol Grips
- Sights
- Smith and Wesson Lights
- Special Gifts
- Spikes Tactical Complete Lowers
- Spikes Tactical Laser Engraved Ejection Doors
- Springfield Armory XD S 9mm Sub Compact 8 Round Handguns
- Stocks Under 60 Dollars
- Strike Industries AK or AR Featureless Grips
- Strike Industries AR Enhanced Castle Nut and Extended End Plates
- Strike Industries AR15 Shift Pins
- Strike Industries Simple Featureless Grips
- Suppressors
- Survival Gear
- Tactical Gear
- Tools and Cleaning Supplies
- Upper Barreled Assemblies
- Upper Complete Assemblies
- VG6 Precision Gamma High Performance Muzzle Brakes
- Veterans Day Deal
- WMD NiB X AR15 Stripped Forged Upper Receivers
- Wholesale Featured Products
- X39 Space Gun Build
- XD S Holsters
- Yankee Hill Machine Phantom Flash Hiders
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
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