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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.