Shop now and get Free Value Shipping on most orders over $49 to the
contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.
Enjoy our FREE RETURNS
We want to ensure that making a return is as easy and hassle-free as possible! If for any
reason you are not satisfied with your purchase, simply return the item within 30 days of
receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.
Please Enable Your Browser's Cookies Functionality
Cookies are not currently enabled in your browser, and due to this the functionality of our site will be severely restricted.
Web browser based cookies allow us to customize our site for you, save items in your cart,
and provide you with a great experience when shopping OpticsPlanet.
Your privacy is important to us, and any personal information you supply to us is kept strictly confidential.
If you cannot enable cookies in your browser, please contact us — we are always here to help!
JavaScript is blocked by AdBlocker or ScriptBlocker
We're sorry - it looks like some elements of OpticsPlanet are being disabled by your AdBlocker.
Unfortunately we are unable to offer our excellent shopping experience without JavaScript.
Please add "opticsplanet.com" and "https://opl.0ps.us/assets-62f7a062727/" to whitelist,
or disable AdBlocker for this site (please note that we do NOT feature any annoying ads on this website).
Thanks!
Your Browser is Outdated
Unfortunately, we are unable to provide an excellent shopping experience on your browser because it lacks modern functionality needed for us
to provide a fast, secure, and enjoyable experience. If you cannot upgrade your browser or use an alternative device to visit us,
please contact us at +1-800-504-5897 and we'll be happy to assist you over the phone!
Primary Weapons Systems MK116 MOD 2-M, .223, 16in Upper Receiver Caliber: .223 Wylde, Barrel Length: 16 in, 11% Off, Blazin' Deal w/ Free Shipping
Simply fantastic weapons. I will trust my life to PWS system every time. Piston is amazing, soft shooting, simply amazing guns.
MOD 2 is definitely worth it at the price. Better build overall and lighter.
Just built a rifle with this upper last week. Took it to the range to try out a variety of 5.56 and .223. As advertised, the POI was identical between the two. The big surprise was accuracy. Recoil with the 5.56 was noticeably more, and the groups sp...
Read More...
PWS needs no endorsement from me, but the quality out of the box is obvious. Wipe down the assembly oil and the quality of the anodizing and forging is obvious. Wanted something ideal for suppression that would be super reliable with minimal fuss and...
Read More...
The MK 116 mod 2 , fit and finish look great, fits on my mill spec lower , could not find it anywhere cheaper than Optics planet with it great discounts !!!!!!
I purchased the mod2 because I already own a pair of mod1 pros and they function flawlessly. So I figured the mod2 should just as, if not even better than the mod1. We will see as I have not been able to make it to the range yet for a test fire.
Prices have been cut drastically on this product as part of a special offer. These prices are so low that there's no double-dipping with coupons or any additional discounts, but you'll still get the best deal out there. This offer won't last long, so don't miss out!
ATTENTION! We currently do not ship this product to P.O. Boxes, AK, CA, CT, DE, HI, MA, NJ, NY, U.S. Territories, or select Colorado locations. Please see our policies for more information or a detailed list of locations.
Product Info for Primary Weapons Systems MK116 MOD 2-M, .223, 16in Upper Receiver
The MK116 MOD 2-M Upper operates on the highly acclaimed PWS Long Stroke Piston System, renowned for its reliability and reduced fouling. The inclusion of a 3-setting Adjustable Gas System allows users to fine-tune gas flow, ensuring optimal performance in diverse shooting conditions as well as optimizing it for suppressor use. This innovative system not only enhances reliability but also provides adaptability to various ammunition types and environmental factors.
Specifications for Primary Weapons Systems MK116 MOD 2-M, .223, 16in Upper Receiver:
Manufacturer:
Primary Weapons Systems
Caliber:
.223 Wylde
Barrel Length:
16 in
Gas System Length:
Mid Length
Barrel Twist Rate:
1-8
Firearms Threads Per Inch:
5/8x24
Muzzle Device:
FSC 556
Finish:
Matte
Color:
Black
Fabric/Material:
41V50 Chrome Moly Vanadium Steel
Gas Block Journal Size-Diameter:
.750 in
Handguard Length:
15 in
Bolt Carrier Group Included:
MIL-SPEC
Magazine Included:
No
Condition:
New
Additional Features:
3-Setting Adjustable Gas System
Features of Primary Weapons Systems MK116 MOD 2-M, .223, 16in Upper Receiver:
PWS Long Stroke Piston System: Renowned for reliability and reduced fouling, with adjustable gas settings for optimal performance.
Suppressor Optimized: Provides enhanced suppressor performance by minimizing back pressure, reducing gas blowback, and optimizing gas flow for a cleaner and more comfortable shooting experience.
.223 Wylde Chambering: Meticulously designed for outstanding accuracy and reliability, accommodating both .223 Remington and 5.56mm NATO.
Lightweight Design: The MK116 upper weighs just 4.6 lbs, ensuring superior maneuverability without compromising performance.
Barrel: 16.1" .223 Wylde barrel with a 1:8 twist rate, delivering exceptional accuracy and versatility when firing both .223 Remington and 5.56mm NATO rounds.
PWS FRC 2-Port Compensator: A suppresor compatible compensator that expertly mitigates recoil, muzzle rise and is compatible with the Rearden Atlas suppressor mounting system.
Innovative PicLok Handguard: Combining both Picatinny and MLOK into one for mounting accessories, balancing ergonomics and functionality.
Radian Raptor Ambidextrous Charging Handle: Ensures smooth operation for both left and right-handed shooters.
Package Contents:
Primary Weapons Systems MK116 MOD 2-M, .223, 16in Upper Receiver
Primary Weapons Systems MK116 MOD 2-M, .223, 16in Upper Receiver Orderable Models
Your Browser is Outdated
