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     Posted on November 27, 2024January 21, 2026

    Buying and Selling Semi-Auto Firearms in MA post H.4885

    Introduction Despite what you may have heard on the news or from the raving lunatic on the corner, you can…

    Buying and Selling Semi-Auto Firearms in MA post H.4885 Read More

    Our website is constantly being refined. Prices, descriptions, and other information may not be 100% accurate and are subject to change without notice. Images are sometimes stock images for illustrative purposes only and not actual photos, product features are more likely to be accurate than the images.

    If you have any questions please call, or better, email us. If it does not say MA OK then it's probably not.

    Our showroom is by appointment only between 10:30AM-5:30PM, please call ahead to make arrangements.

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    Fine Line Firearms LLC

    [email protected]

    972 Massachusetts Avenue,
    Boxborough, MA 01719
    978-263-4322

    All prices on this web site are subject to change without notice.

    SHOWROOM BY APPOINTMENT ONLY, please call before arriving.

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    John C. profile picture
    John C.
    14:23 11 Apr 25
    Mark and the staff at Fineline Firearms couldn't have been more helpful to me. They were knowledgeable and friendly, answered my questions and had lots of good advice. I will be going back to Mark for any future gun purchases I need to make.
    Derick T profile picture
    Derick T
    23:23 09 Apr 25
    Mark was great! Highly recommend! The process and communication was fantastic!
    Matt S. profile picture
    Matt S.
    21:18 29 Mar 25
    Friendly atmosphere and great customer service
    Edward C. profile picture
    Edward C.
    23:43 03 Mar 25
    Great people to deal with! Mark and Seth are friendly and knowledgeable. Laidback atmosphere, and they take their time to explain the operating features. Highly recommended!!
    James C. profile picture
    James C.
    23:33 03 Mar 25
    I had a good experience here. I submitted a request on their website and got an email back within an hour(AM on weekday). Verified that they had what I wanted and was able to schedule an appointment for pickup the same day. The shop was easy to get to from 495. Staff were knowledgeable, friendly and were able to answer the questions I had easily. I'll contact them first for my next big purchase.
    David M. profile picture
    David M.
    03:15 01 Mar 25
    Knowledgeable staff, highly professional.
    Owen P. profile picture
    Owen P.
    14:33 25 Feb 25
    Working with Fine Line Firearms was a fantastic experience. When I had questions about availability, they were able to get back to me immediately, and I could pick up the item I needed the following day. Excellent customer support and will be looking forward to future purchases.
    Marc B. profile picture
    Marc B.
    19:22 10 Feb 25
    Worked with Mark, and couldn’t be happier! Super fast to respond, very upfront and fair on all information! Very knowledgeable!
    I look forward to meeting in person soon! I would highly recommend to anyone!
    Thank you!
    Elijah M. profile picture
    Elijah M.
    20:21 02 Feb 25
    Mark at Fine Line Firearms, in my honest opinion, is the best in the state. Do not hesitate to do business here, he is professional, knowledgeable, and runs a great business. Thanks Mark!
    Tom C. profile picture
    Tom C.
    15:19 31 Jan 25
    Great little shop! Incredibly knowledgeable and friendly. Very competitive pricing too, I will definitely be coming here again soon!
    Robert A. profile picture
    Robert A.
    21:58 24 Jan 25
    This was my first experience with Mark and Fine Line Firearms. It was great. They had listed a somewhat unusual gun that I was interested in. I contacted them and confirmed the condition and price. I made a convenient and went in to purchase the gun. It was just as described, Everything and everyone was great and I would love doing business again with them.
    tewksbury D. profile picture
    tewksbury D.
    21:08 24 Jan 25
    Excellent experience with Fine Line Firearms. Purchasing process was seamless and the owner is a nice and knowledgeable guy. Thank you.
    Prairie Dog (. profile picture
    Prairie Dog (.
    19:38 23 Nov 24
    Super friendly staff, took the time to chat with me, made sure I knew everything about the gun I purchased, and threw in a magazine and ammo in for free!
    Dave B. profile picture
    Dave B.
    22:45 26 Oct 24
    I went to fine line gun shop today & met Mark who was very friendly, informative, & knowledgeable, professional. he spent a lot of time explaining guns to me ( I am new to all this) but he took his time and explained so much to me about; guns, laws & safety. He was more than generous with the amount of time he spent with me! I feel so much better educated & informed because of the information he shared with me. Thank you Mark
    Om K. profile picture
    Om K.
    21:56 15 Sep 24
    Really cool people, down to earth and treat you like a buddy, not a customer!! Definitely recommend
    John N. profile picture
    John N.
    16:56 14 Sep 24
    I had an excellent experience at Fine Line Firearms. The staff was incredibly professional and knowledgeable, guiding me through the entire process with patience and expertise. Whether you're new to firearms or an experienced owner, they make sure you feel comfortable and informed about your purchase. I highly recommend Fine Line Firearms for anyone looking for quality service and a smooth buying experience!
    Ethan L. profile picture
    Ethan L.
    09:36 08 Jul 24
    Great buying experience. Super knowledgeable and took the time to field strip the gun to show me how to and all the parts. Great communication before and after the purchase. Had a small issue that was taken care of immediately. Would definitely recommend.
    Andrew B. profile picture
    Andrew B.
    23:40 13 Apr 24
    Mark is awesome. He has a great approach with his one on one appointments with no pressure and all the time you need. I will be recommending him to friends.
    Ian S. profile picture
    Ian S.
    02:13 08 Apr 24
    A great little appointment only shop with a nice selection of firearms. Lots of Pre-Bans. Helpful staff and competitive prices. You won't need to grab a deli ticket and stand around for an hour only to be rushed out! I honestly wish I knew about it years ago.
    Mark P. profile picture
    Mark P.
    14:31 03 Apr 24
    I'm new to gun ownership and my son and I happened upon Fine Line Firearms as it's a local gun 'parlor'. I'm so glad we did, we found Mark (Owner) to be super friendly, knowledgeable, and generous with his time. We were put immediately at ease and learned a lot. Ended up with a very nice set up, P365XL with a red dot and laser/light, set up and tutorial. Highly recommend.
    Chris N. profile picture
    Chris N.
    17:44 29 Mar 24
    I am beyond impressed with Fine Line Firearms. Extremely knowledgeable and genuinely helpful for a newbie like myself. If you are looking for a variety of rifles, including custom, I would strongly recommend setting up an appointment and visiting. Hands down the best gun shop environment I have visited. A+++
    Antoine T. profile picture
    Antoine T.
    18:26 24 Mar 24
    Great business. I went to Fine Line because I wanted a Robinson Arms XCR, and Mark is the only FFL I could find in MA who is familiar with the gun. He knows a lot about the company and walked me thru the custom order process to get everything built exactly to spec. Was super responsive during the wait time, and did the compliance modifications as soon as it came in. Came out perfect!

    All around great shop and owner. I’d highly recommend Fine Line especially if you’re looking for something more specialized that you won’t find at your average store.
    Warrior Of G. profile picture
    Warrior Of G.
    15:53 11 Aug 23
    Small quiet place, and the owner is very knowledgeable and helpful. It's a hidden treasure

    Fine Line Firearms LLC 2025