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MILLED AK74 RECEIVER 5.45X39mm MB74-SHARPS BROS.
Sharps Bros. founder John Sharps has always been a gun enthusiast, and in 2012 he decided to leverage his decades of manufacturing and product development experience to begin building a series of custom AR-15 lower receivers. Sharps Bros. has since evolved from a one-man business to a full-fledged firearm design and manufacturing organization, with products in three major categories: AR15, AR10 and Kalashnikov.
Our AR pattern receivers contain a number of aesthetic and performance improvements over standard receivers and our AK receivers all have integrated AR buffer extensions, a utility feature we patented in 2014.
Each design starts as a rough sketch on paper before a 3D model is created in SolidWorks. Designs typically go through months of refinement and prototyping before we take the final step of converting the 3D data into CNC machine language. After programming and fixture development we begin milling the designs out of premium quality 7075-T6 billet aluminum (or 4140 steel in the case of the AK receivers).
Milling from billet allows us a level of detail that can be difficult to achieve in standard firearm design. When you use our products, you see why we hold our craftsmanship to such high standards: each element is crisply defined, and everything you see and feel has taken an immense amount of consideration — down to the precise size, shape, and placement of every curve and intersection.
It takes a team of exceptionally skilled craftsman to bring our receiver details to life. We had fun designing them, we love shooting them, and we have talented people who work hard to perfect each one so you’ll enjoy yours too.
Hear more about the origin story at the following podcasts:
Preying Man Outdoors: https://www.youtube.com/watch?v=OIxq2LWH4Do
MILLED AK74 RECEIVER 5.45X39mm MB74-SHARPS BROS. Features
- U.S. made AK74 Milled Receiver
- Integrated AR buffer extension
- U.S. sourced 4140 steel
- Heat treated to RC41 hardness
Designed to accept 22mm press-in barrels. Barrel journal is cut to .866 diameter after heat treat. Target interference between barrel and barrel journal is .001" Absolute max interference would be .0015". Measure your barrel!
Compatible with any stamped or milled AK74 parts kit (some fitting required)
The MB74 receiver is patterned after the original milled Bulgarian receivers but with the added feature of an integrated AR buffer extension. Each 2 pound receiver is machined from a solid 15 pound block of U.S. sourced 4140 steel, then heat treated to RC41 hardness. Make your next build stand out from the crowd with a Sharps Bros. MB74 Receiver.
Important note: Barrel is journaled to .866 after heat treat. Maximum interface between barrel and barrel journal is 0.002"
Please Note: Receivers Must ship to a FFL for transfer.
It is your responsibility to be familiar with your current local gun laws BEFORE placing your order. Please feel free to email us with questions you may have.
California: We will be happy to ship these receivers to California. Please iron out all details of this transfer with your Dealer prior to placing an order. Make certain that you disclose exactly what you are purchasing with your transfer dealer. If this order will need to be cancelled or returned, you will be responsible for all charges as outlined in the How To Buy/Returns section of our website.
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov