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3912 Products
- 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
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- AR15 Trigger Guards
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- Ammunition Storage Components 10 Round Magazines
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- Apparel
- B5 Systems Type 23 P Grips
- BFC Build
- Barnes VOR TX 300 BLK Ammunition
- Barrels Under 100 Dollars
- Batteries
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- Black Hills Ammunition
- Bravo Company Mfg BCMGUNFIGHTER Compensators
- Bravo Company Mfg Compensators
- Breitbart Exclusive Sale
- Build Your Lower
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- CMMG AR9 Lower Receivers
- Century International Arms AK Rifles
- Clearance
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- Daniel Defense Pistol or Vertical Grips
- Diamondhead Polymer Sighting Systems
- EDC Build
- Federal American Eagle 556 NATO Ammunition
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- Ghost Inc Products
- Gift Ideas Under 100 Dollars
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- Gifts Over 200
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- Glock Magazines
- Grey Ghost Build
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- Guntec USA Air Lok Series Compression Handguards
- Handguards Under 100 Dollars
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- Harris Bipods
- Hera Arms CQR Grips
- High Speed Gear OWB Holsters
- Home Defense Build
- 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 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 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
- Modern Mk12 SPR Build
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- NFA Items
- NFA Items Short Barrel Rifles
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- New Arrivals
- Optics
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- Other Platforms Mini 14
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- Other Platforms Shotguns
- PCC Build
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- Rise Armament Super Sporting Single Stage Triggers
- Roland Special Build
- Scope Accessories
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- 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
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- 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 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
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AR-15 PARTS & ACCESSORIES
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. Primary Arms is your one-stop-shop online gun store for firearms, parts, and accessories. We ship fast and have an industry-leading customer service.