LRI DETACHABLE BOTTOM METAL SYSTEM FOR REMINGTON TYPE M700 SA/LA
Anyone who has used or fitted a detachable magazine setup on a rifle has inevitably run into a situation where a particular magazine brand doesn't work because the case presentation to the bolt is wrong.
Our solution is to offer magazine-specific latch mechanisms.
The LRI DBM works properly when the action is bedded to the stock's showline edge, and the floor metal is flush-mounted on the bottom. (On a normal stock with a 2" height between showline and belly at the tang/showline intersection) At this installed height, the magazine will present the case at the optimum height (on a .700" dia bolt, such as a Remington M700 or the many clones/derivatives).
Determining the proper installed height:
Here at LRI, we refer to this as the "figure 8". Simply to mean the primer is tangent to the 6 o'clock position of the receiver bore and the two imaginary circles create an inverted figure 8.
This ensures the case rim/head is exposed for proper overlap on the bolt nose. It's a proven rule that will consistently deliver the most reliable means of feeding cartridges. All cartridges; long, short, or fat, it doesn't matter.
The Obendorf latch design was chosen because it is elegant and simple. Our latch observes the need for firm spring pressure, and we were careful to ensure it has the proper geometry to stay put during heavy recoil. Lightweight hunting rifles are the target audience for this piece (other versions to follow), so ensuring the gun doesn't "gut itself like a fish" is important.
The LRI DBMs are available in two finishes; As Machined or "In The White" or your choice of Ceracote.
We didn't stop there. LRI is a custom gun shop that understands the frustration of being sold a part and then left to fend for yourself. We support our products with detailed technical drawings and code for those fortunate to have CNC milling resources.
LRI M700 SA HTR DBM_STEP FORMAT SOLID MODEL
LRI M700 LA HTR DBM_STEP FORMAT SOLID MODEL
LRI M700 SA HTR DBM_TOP VIEW_TECHNICAL DRAWING
LRI M700 LA HTR DBM_TOP VIEW_TECHNICAL DRAWING
LRI M700 SA HTR DBM_SIDE VIEW_TECHNICAL DRAWING
LRI M700 LA HTR DBM_SIDE VIEW_TECHNICAL DRAWING
SA HAAS FORMAT CNC G CODE FOR INSTALLATION (OPEN WITH NOTEPAD OR YOUR PREFERRED EDITOR)
LA HAAS FORMAT CNC G CODE FOR INSTALLATION (OPEN WITH NOTEPAD OR YOUR PREFERRED EDITOR)
TOOL PACKAGE WITH DETAILED SETUP
Manufacturing:
These floor metals begin life as a 2-3/4lb piece of 6061 T651 AL bar stock. When finished, they weigh 3.1 ounces. The parts are 5-axis CNC machined on our Haas UMC-750.
The advantage five-axis offers is the ability to access the parts on 5 of its six sides. Doing so is powerful because tolerance stacking errors caused by moving from one fixture to another are almost eliminated. This goes a long way toward ensuring the parts fit the rifle stock and mating components. The release levers are machined from 4130 Chromoly steel.
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