Underworld Arms
MAC 9 DS 4.25 Gen 1/2 Cyclops Compensator Thumb Rest Mk2
MAC 9 DS 4.25 Gen 1/2 Cyclops Compensator Thumb Rest Mk2
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IMPORTANT!!!, before adding to cart you must check your gun and select the correct frame generation from the drop down list. Gen 1 frame guns came with short iron sights, later production Gen 2 frame guns came with much taller suppressor height sights. These two generations have different frame rail dimensions so we made two different lowers that are engraved with M1 and M2. Gen 3 is a completely different design with windows in the front slide serrations and a full length frame, if you have a gen 3 please see our gen 3 comp listings.
The Underworld Arms Cyclops Compensator for the Military Armament Corp MAC 9 DS 1911, is a frame mounted compensator with a large expansion chamber that redirects the gas into a single top port that is similar in size to the Staccato XC and Sand Hawk.
This 50 state legal compensator is made for unthreaded barrels and is anodized black. This compensator has an ambi thumb ledge lower with horizontal serrations that match the horizontal serrations on the slide release and thumb safety for a cohesive aesthetic. The holster we make for the MAC is compatible with this thumb ledge lower.
On most builds this compensator will not require recoil spring tuning but we offer a spring tuning kit if your build requires it.
Compatible holsters are available HERE
This compensator increases the dimensions of the firearm so it requires a dedicated holster such as the ones we make, or a universal holster such as the MSP Tier 1, and the blackhawk omnivore light bearing.
Installation Video: Click Here
Everything you will need for the install is included: locking block, screws, Blue Vibratite 121 thread locker, and an allen key.
Specifications
Material: 7075-T6
Weight: 2.7oz
Length Overall: 3.75"
Length Added to Firearm: .825"
This is sweet! Fits perfectly and looks amazing. I have not shot it yet but I’ve heard they are a great upgrade to an already amazing gun!!
Awesome product and mitigates recoil far better than I expected. The only issue that I’ve had with, it is make sure that you use the included Loctite on the screws or else they will back out and mark up your rail. Overall 10 out of 10 product will definitely buy again if I get another DS 1911
Fit and finish is perfect. Mitigated a good amount of recoil and the thumb ledge is an amazing touch without being overbearing like a full gas pedal. Would buy again.
Excellent customer service, prompt responses and very fast shipping. Would highly reccomend!
