About Us

Looking to customize or upgrade your firearm with AR parts in Martinsburg? Green Monstah Firearms, LLC has got you covered. Our retail parts selection includes a wide range of options, specifically focusing on semi-automatic ARs, shotguns, rifles, and handguns. Whether you''re looking to improve the accuracy, functionality, or aesthetics of your firearm, our selection of AR parts is sure to have what you need. But that''s not all - in addition to retail parts, we also offer FFL transfers and gunsmithing services to provide a one-stop shop for all your firearm needs. Our experienced staff is always available to offer expert guidance on selecting the right parts for your firearm and answer any questions you may have. So if you''re looking for AR parts in Martinsburg, stop by our shop today. We are confident that you''ll find what you need and leave you satisfied with our knowledgeable staff and top-notch selection. We look forward to serving you!