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I’m using a RMR & Blitzkrieg front sight on mine. I’m going with the great triangle of death theme.

Received the CC tube, spring and follower today. Packed well. Fantastic fit and finish. Color match is great for the DG park. Fit in perfectly. Ordered 3/20 delivered today 8/02. Worth the wait.

that's what I'm sayin'........communist piece of $hit.........................

I know it's made in China. I know that Holosun is made in China. I know a lot of people don't like Botach for this reason or that reason. I'm not looking for the sanctimonious tripe regarding me purchasing Chinese items; we have ALL purchased and owned Chinese stuff, whether it's the Norinco AK or SKS, or the box of crayons and coloring book purchased from Wal-Mart. Also, I do know ScalarWorks has a couple Benelli M4 mounts that are more than twice the cost, but not this same design. I bought this one because it was advertised to work with Holosun's, which I have - and like the design of this one with the half-rail. The cost was attractive as well and I don't mind ordering from Botach. That said, moving on to the actual question and issue I asked about; I'm guessing that this will only work with the Holosun red dots that don't use the battery tray under the optic since that raises the height a bit... and even in the best situation, with the most low profile mount and low profile optic, it's still lower than a lower 1/3 cowitness based on the pics on Scalarworks site of the view in those instances. So perhaps the real answer is that a functional cowitness on a Benelli M4 hasn't been designed yet, and maybe there's a reason for that. I guess most just put it on the factory rail and don't worry about cowitness. I may just have to do that.

Battle Steel rail* *Made from 6061 aluminum.

Well, the holosun is manufactured in communist china after all. my 2cents

Buy a ScalarWorks rail, they designed it. Botach is a horrible company to deal with.

New updates.... Swapped the optics from a Trijicon RMR back to Aimpoint T2 on scalarworks mount. Handstop swapped out for an Arisaka indexer. Playing around with the new Warrior Poet Society sling as well

I don't think you can monetize firearm content thru youtube's Google Adsense. That's why people like GrandThumb have sponsors and Patreon. My 12 year old daughter is the youtube master. She has an animation channel with like 12k subscribers and makes like 750 a month.

Finally got a break in the rain and was able to hit my BLM range to test three of the M4 H2O's and get them sighted in. The three up for testing riding in the Pelican 1750. What's interesting here is there are three different magazine tube configurations. More on this in a bit. The overall goal was to sight them in with slugs at 50 yards. I use a laser range finder to get the distance right on my B27 target stand. I then have a lead sled that I sit on a folding table with a chair behind it to take as much of the shooter out of the equation. Once they were sighted in, I ran about 25 rounds of buckshot and 50 rounds of birdshot to test out how each is performing. First up for testing was the center M4 with a Trijicon SRO 2.5 moa dot optic and a titanium magazine tube. Function was flawless and I had it doing head shots on the B27 within 6 rounds. Ouch. Up next was the OD green M4 with the Trijicon RMR 1.0 moa optic. My personal favorite. This one has the lightweight carbon fiber magazine tube. Iron sights removed to cut weight. Sighting in was just as easy. However the groups were slightly larger than I was seeing with the titanium tubed model, which I didn't photograph. Function was flawless for the remainder of the tests. Blew up a lot of random crap in the desert with it. Third up was the H2O with the SRO 5.0 moa dot optic and the steel OEM magazine tube. 5.0 moa is massive. At 50 yards, the dot filled almost the entire head of the B27. Problems emerged immediately. The firearm was having issues loading the last round from the magazine tube onto the carrier properly. The round ejects onto the carrier partially, but then the elevator cannot lift it to load it since the front of the round hangs up on the receiver. Diagnosis for this is a shitty magazine spring. It'll be swapped out with a carriercomp spring. I continued testing anyway since the malfunction only appeared every third time or so. Even with the monster 5.0 moa dot, the steel magazine tube was much more rigid of a base and permitted me to make some incredible groups. This was the first time I've shot one of those Benelli compensator breeching chokes. I didn't notice any real benefit in recoil reduction. I did notice the extra 7 ounces of weight on the end of the barrel. After cleanup of the site, 90% of the shells were mine. I went thru quite a bit of 12 gauge! So the shotgun is probably more accurate with the steel magazine tube. Not enough to really matter at shotgun distances. I'll still stick with the carbon fiber magazine tubes on mine since they are much lighter up front. I would not use the breecher choke unless I absolutely had to for some outlined mission objective role. The SRO is much more forgiving for your cheek placement than the RMR. Smaller the dot the better. The smallest dot isn't any harder to find than the largest one. So it comes down to how much of the target you can tolerate being obstructed.

I have one of those Gamo Bone Collector 22 caliber single pump air rifles with an integrated suppressor. Man that thing thumps. It beats the hell out of my old 22 caliber Sheridan that took 10 pumps.

Wow. Thanks for the pile on guys. It is sad that you defend someone who can't make a threaded tube and then attack me for warning others of sketchy QC.

What I loved about this: visual proof that 7.5 will ruin someone else’s day in cq/hd arenas. So damn tired of the tactical, muzzle velocity, couch penetration experts that state otherwise. Overall fantastic video. Science!