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Sons of Liberty Gun Works

Morgans Rifleman MK10MR Designated Marksman Rifle 18" or 20" Match Barrel FREE SOLID CERAKOTE

$ 2,799.00

Need more details? Call us at (210) 924-6499


 Morgan's Riflemen or Morgan's Rifles, previously Morgan's Sharpshooters, were an elite light infantry unit executing his tasks because it was equipped with what was then the cutting-edge rifle instead of muskets allowing superior accuracy at up to ten times the distance of the typical troops of the day.

MK10MR Designated Marksman Rifle

At Sons of Liberty Gun Works we believe in Quality Mil-Spec or better parts. We believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use right out of the box. We believe a quality Bolt Carrier Group and a quality, accurate and long lasting barrel are the heart of a Combat Grade weapon. We believe in properly tuned weapons using the correct gas system length and quality buffer system components such as the Mk10 Hybrid Buffer system and Sprinco Tactical Buffer Springs. We believe in our products and we back them up with a Lifetime Warranty. Our weapons our meant to be used hard and go in harm’s way, they won’t let you down.

All rifles are test fired twice in shop to ensure proper function.

The Mk10MR is a no holds barred sniper rifle, capable of 1/2 MOA, with a fantastic Geissele SSA-E trigger, Raptor charging Handle, magpul PRS stock and your choice of an 18" or 20" Match grade barrel.

At Sons of Liberty Gun Works we always tell our customers, its not what a rifle company tells you, it’s what they don’t tell you. Below you will find the complete specifications on the Mk10MR. We have built our guns to run through years of hard use, and we have nothing to hide.

Bolt Carrier Group: Sons of Liberty Gun Works Marked  LMT Enhanced Bolt Carrier Group MPI
Bolt: precision machined from Aramet 100 alloy
Extractors machined from 4340 Steel.
Extractor Retaining Pin: precision machined and ground S7 Tool Steel, heat treated per ASTM A681-08, shot peened per mil-spec print, manganese phosphate
Dual Extractor Springs Extractor Spring 
Ejector: S7 Tool Steel
Ejector Spring: heat treated, stress relieved, Molybdenum-Disulfide infused, cryogenic processed (all post winding)
Gas Rings:standard stainless steel X3
Carrier:  hard chrome bore plated, precision ground gas key interface, Sons of Liberty Battle Flag logo laser engraved, hard chrome finish.
Gas Key: machined from 4130 chromoly steel alloy heat treated, hard chrome internal, manganese phosphate, Grade 8 Hex cap screws torqued and staked all per mil-spec
Cam Pin: precision machined 4340 chromoly steel alloy, heat treated/processed per mil-spec, manganese phosphate, solid film lubricant applied and cured per mil-spec
Firing Pin: precision machined 8640 steel alloy, heat treated/processed per mil-spec, hard chrome plate


Barrel: Sons of Liberty Gun Works 18 or 20" (your choice)  416R Match Grade 1:10 MPI HPT Barrel
Caliber: .308 Winchester Chamber
Barrel Steel: 416R Stainless Steel
Profile: Heavy DMR
Twist Rate: 1/10 Twist Six Groove
Thread Pitch: 5/8x24 Threaded Muzzle
Gas Block: .750″ Gas Block Journal with appropriately sized gas port
Weight: 35oz
Barrel Finish: Bead Blasted
Barrel Extension: Nickle Boron
High Pressure (proof) Tested (HPT)
Magnetic Particle Inspected (MPI)

Lower Receiver: Sons of Liberty Gun Works Billet Lower Receiver – Angry Patriot
Material: Made from Mil-Spec 7075-T6 aluminum 
Finish: H Series Cerakote
Contour is fully machined leaving no flash marks from the forging.
Safe, Fire, and Full Auto Pictograms
Angry Patriot Roll Mark

Buffer System: Mil-Spec Rifle Length in PRS Stock
Receiver Extension: Rifle Length Receiver Extension Tube made from 7075-T6 Aluminum
Buffer: Mil-Spec Quality H2 Buffer 
Buffer Spring: Sprinco Orange Rifle Length Spring
Receiver end plate: None

Fire Control Group: Geissele Super Semi Automatic - Enhanced OR Super Dynamic - Enhanced 

Built on the chassis of the Geissele SSA, the Super Semi-Automatic Enhanced (SSA-E) provides enhanced trigger control and weapon accuracy while maintaining the robustness and reliability of our combat-proven two-stage trigger. The SSA-E’s reduced first and second stage pull weights result in a trigger with a smooth, light first stage take-up and a crisp, candy cane-like second stage break. The SSA-E is ideal for use in precision Squad Designated Marksman type rifles where weapon accuracy and reliability are critical and a non-adjustable drop in trigger is desired.

Bolt Catch: Forward Controls Design Dimpled Enhanced Bolt Catch

Mag Button: Forward Controls Design Dimpled Blind Hole Mag Button

Safety Selector: SOLGW Mil-Spec 

Grip: Ergo SureGrip – Black

Stock: Magpul PRS Sniper Stock - Black

Upper Receiver:
Material: 7075-T6 aluminum 
Exterior Finish: H Series Cerakote
T-Marks: Engraved T-Marks

Charging Handle: Raptor Ambi Charging Handle - Black

Gas Block: Sons of Liberty Lo-Pro Gas block made from 4140 Steel and Nitride Treated

Gas Tube: Sons of Liberty Standard Rifle Length Melonited Stainless Steel

Rail System: Sons of Liberty Gun Works SOLO MLOK Rail system.

15.87" Exact Top rail length
16" SOLO .308
DPMS LOW receiver height
1.5" ID
Gen 4 
H Series Cerakote
7075 Barrel nut w/ Hardcoat Anodize
Melonite Finish Hardware
Free Floating Design
Slip fit locking mount design
Billet Anti Rotation Insert
Anti Slip Design

Muzzle Device: A2 Flash Hider

Sights: None *Optics Separate* 

Accessories: Accessories: Allen Tactical Soft Case, Large Sons of Liberty Sticker, Morale Patch, Copy of US Constitution, Snake Oil Sample, one 10RD and one 25RD PMAG

Sons Of Liberty Gun Works is a custom rifle manufacturer in the US. This company was built on the principle of producing hard use, purpose-built weapons for Americans in 2012. Our company was founded by two lifelong firearms enthusiasts and one US Navy SEAL. We produce a wide range of products including AR15 rifles, barrels & other accessories, M4 based rifles, and accessories, and Mk10 Rifles, an overtake on the classic AR-10.  

We Guarantee Our Products

All our products are backed by a Lifetime Warranty. We can do this because we believe in only providing products that we believe in and would stake our reputation on. Our entire staff has been thoroughly trained by the best armorers in the proper procedures to build and diagnose problems with the M4 platform.  

M4 Accessories, AR15 Barrels, Cerakote Gun Coating & More

We provide in-house custom rifle builds and repairs for ar15 barrels, bolt carrier group, & m4 rifles, as well as cerakote gun coating, special orders of non-AR Platform firearms and training on the AR platform. We're your one-stop shop for m4 accessories, lower parts kits, holsters & more. We also do consult work. Come by and check us out, our doors are always open and the after-hours beers are always cold.

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