Benelli m4 2 round extension Dec 3, 2013 · An M4 Full Length 7-round tube will barely hold seven (7) rounds. The Benelli M4 magazine comes factory Individually wrapped and labeled for authenticity don't settle for less. Price: $49. Marine Corps and it can now be your law enforcement shotgun of choice. May 5, 2006 · Parts are 1) Carrier Comp replacement tube, 2) Nordic Components MXT Extension Nut for Benelli M1/M2, 3) Nordic Components MXT +3 Extension Tube Kit (tube, spring, and cap). it broke on me 6 months later, very bad ,it was so bad that the 1897 smiths Jan 3, 2023 · Sure Cycle 2 Shot Magazine Extension Tube Assembly For Benelli M4. benelli make one themselves, as well as nordic components i think, and some others. When the U. DOES NOT FIT: Saricam Arms SS-4. It is a simple screw-on design that can be easily attached to the mag tube. This kit contains all the parts to install this 2-round extension on a 12 gauge Benelli M4. I'm always asked - which tube best matches the black shotgun: 81043 FF NP3 - FFT NP3 Coated Steel 2-Round Magazine Extension Tube for Titanium Cerakote H20 Original Benelli M4 Shotguns. Shop Carlson's Choke Tubes Benelli M4 7- Shot Magazine Extension | 15% Off 4. This extension kit WILL NOT WORK with the Panzer Arms M4 Tactical, SDS Radikal SAX2, Toros Copolla T-4 shotguns or any other semi-auto shotgun based on the Benelli M4 configuration. One thing some folks with the SBSs do is pickup a full length CarrierComp Ti magazine (seven shell mag) plus an 18. The Benelli USA label with the part number is on the reverse of the packaging. This is designed for 12 gauge ammo. benelli m4 magazine tubes. Technical InformationNotes: Contains all parts needed to We use cookies to give you the best possible experience. In other words if something is slightly off they won't fit. Get the Carlsons Benelli M4 Magazine Extension for sale while supplies last! PANZER ARMS M4 TACTICL +2 MAG EXTENSION NICKEL FINISH *** Fits Benelli M4 as well as other M4 Clone Shotguns! *** Please note that 18USC922R applies to this shotgun if adding this Foreign made +2 Mag Extension. I don’t think I have ever had to trim one. 2 models Briley Beretta Auto/Benelli Pump/Franchi 912 Variomax/Stoeger 12 Gauge +2 Rounds Shotgun Magazine Extension Picatinny w/o Sling Swivel $149. Cody 6. With the +2 magazine tube extension, you'll have more rounds at Carlsons Magazine Extension Benelli M4 7 Round 2 Reviews | 5 Questions & Answers Model: 4508 Condition: Factory New Bud's Item Number: 151378 Benelli M4 seven round magazine tube will replace the five round magazine and dummy extension and extend your magazine to hold seven 2-3/4" or 3" magnum shells. Adds two additional rounds to your Benelli M4 5-round tube. Rust proof: Titanium will not rust like steel 2rd extension tubes. 5 days ago · The Rx Arms Benelli M4 magazine extension is of the highest quality and best mag extension you can find. Posted July 31, 2009. And by light weight I mean any buckshot load that weighed less than normal. which one have you owned/tried out that works best with the M4? best regards xamoel PS: i just rece Jan 22, 2021 · Particularly the last round in the magazine tube. Same length & capacity, slightly lighter. Up your capacity to ensure you have the rounds ready for whatever heads your way. These You're viewing: Toni System Benelli M4 Magazine Tube Extension $ 100. The magazine tube kit comes with everything you need. However, the above posts refer to the extension adding 2 rounds, and can use the factory spring. One can get a 2-round extension and barrel clamp at a cheaper price. it refers to how to collapse the stock, and to the full length magazine) whereas the internet widely claims 7. The Panzer Arms® +2 Extended Magazine Tube for 12GA Panzer / Benelli® M4 Shotguns is designed to add +2 shells to your 12 gauge Panzer or Benelli M4 shotgun. The last round will have the weakest spring tension of all the rounds. 81043 FF - FFT Steel 2-Round Magazine Extension Tube for BLACK Original Benelli M4 Shotguns NOTES: Magazine spring and followers sold separately. 70052 FF Ti - FFT Finished Titanium Full-Length Magazine Tube for Original Benelli M4 Shotguns in BLACK - 1x 922(r) BENELLI M4 MAGAZINE TUBE REMOVAL AND INSTALLATION INSTRUCTIONS NOTES: Magazine spring and followers sold separately. Very difficult to source. Say goodbye to running out of rounds too soon! Panzer brings you the solution you've been praying for—a game-changing accessory designed to give you the extra capacity you crave. . Benelli M4 2-Round Magazine Extension – Titanium: Quick Overview: Precision machined from aircraft grade titanium alloy. freedomfightert Jan 30, 2018 · Dont bother with the Benelli 7 round spring. These will not work on the Benelli M4. Jun 8, 2009 · Clearly a 1/2" excess can cause the 7th round to fall short of fitting. 2 round black mag extension - steel - benelli m4. 00 - MSRP: $99. brownells. I ordered the 1pc +2 tube from Daves MW last week on a Monday, it showed up last Thurs. 95 Briley Benelli /Breda Semi-Auto 12 Gauge +4 Rounds Shotgun Magazine Extension Picatinny w/o Sling Swivel $154. We call this a "New Jersey" special as the guys in that state are only allowed 6 rounds. Durable carbon steel and Benelli M4 2 Shot Magazine Extension Kit - For Sale - MPN: 81043 - UPC: 650350810431 - Price: $90. Inserted DMW mag spring that came with the extension. This is the same Benelli M4 used by the U. Click Here For 18US922R Info . The FFT / Wolff M4 full-length high power magazine spring is highly recommended for best results cycling loads. With this extension you can bring the total magazine capacity up to 7 rounds. This i Jan 27, 2020 · First, we need to ask if you have a stock 5 round tube or a 7 round tube. 53 Add to cart; H&K MP5K / SP89 and Zenith model Z-5P and Z-5K M4 Telescoping Stock Tactical Savage Long Action Centerfeed Stock Left hand These two shot and three shot Magazine Extensions use the factory follower or you can save 10% and purchase Benelli M2 Mag Tube Extensions and the GG&G Benelli Enhanced High Visibility Follower as a money saving package. May 27, 2023 · Panzer M4 with around 100 rounds through it. 10. A great improvement to magazine capacity Apr 15, 2007 · For sale is Benelli's own two round magazine extension for the M4. Is it best to get the extension or the whole new barrel for the 7 rounds. Light Weight: only 1. KZ 2 Shot Magazine Extension Tube For Benelli M4 Shotguns. TO BE Upgrade your Benelli M4 shotgun with the KZ 2 Shot Magazine Extension Tube from Kley-Zion. 53 Add to cart; Matte finish, Winchester SX2, SX3, SX4, Browning Gold and Browning Silver 7 Shot (+2) magazine extension $ 59. Some Benelli literature states that the M1014 is a 6+1 capacity due to these variances, when in fact it WILL hold 7 rds of most field/target type shells. S parts total. 81043 OEM Benelli 2-Round Magazine Extension Tube for Black Shotguns LE. Aska M4 – YES. Increase the capacity of your KZ Benelli M4 with the easy-to-install and 100% USA made False Magazine Extension from Kley-Zion at Botach. Benelli M4 Titanium Magazine Extension +2-round Panzer M4– NO. 00 Select options Back-order parts have a 3 - 4 week lead time currently in most cases. 7 round capacity magazine extension for the Benelli M4 shotgun and Turkish M4 clones. Jul 31, 2009 · Adding that to an already beefy M4 is rediculous. The Benelli m4 seven round magazine tube will replace the five round magazine and dummy extension and extend your magazine to hold seven 2-3/4" or 6 - 3" magnum shells. Price: $14. This Carlsons Benelli M4 Magazine Extension adss 2 rounds to the standard 5 round magazine tube found on the Benelli M4 shotgun. Tried to load the extended magazine, and cannot get last 1/4 inch of 7th shell into the magazine. I have read so many post and articles about the M4 and 922r I am really confused about the regulation. Mar 23, 2008 · Got a 3-gun match comming up next weekend, and I wanted the use the M4, and +2 would really come in handy. I’m pretty happy with it. The longer "appearing" one in the picture is the 5 round one. They both have 48 "coils" and measure about 26 inches roughly. $ 271. Mar 3, 2017 · Yes the only "upgrade" for the SBS magazine is a CarrierComp Ti unit. With the +2 magazine tube extension, you'll have more rounds at Carlsons Magazine Extension Benelli M4 7 Round 2 Reviews | 5 Questions & Answers Model: 4508 Condition: Factory New Bud's Item Number: 151378 Panzer Arms M4 Tactical +2 Magazine Extension - Marine Finish - PAM4P2MEN : Elevate your Panzer M4 or M4 Clone shotgun experience with the +2 Magazine Extension. 81043 OEM Benelli 2-Round Magazine Extension Tube for Black Shotguns LE This is an OEM (original) Benelli part - part 81043. 5" barrel assembly so that they can swap over to a non-NFA configuration for impromptu interstate travel or other apps where the nine shell capacity is beneficial. But this video will show you how to fit a KZ +2 mag tube extension to your turkish-made Benelli M4 clone. 95 $154. My favorite spring is the Carriercomp spec Wolff spring. We offer three Cerakote colours: Custom Dark Charcoal Cerakote for Benelli M4 Black Shotguns, to closely match dark grey parkerized M4/M1014 OEM magazine tube (see note below). S part you have to replace it with a U. Feb 17, 2019 · When I had the Nordic Comp 10 round and 12 round tubes installed this is the process I followed and it worked just fine. Oct 21, 2009 · One of the great things about the M4 is the ability to field strip and clean the weapon using only the bolt handle as your "tool". Tell you the truth, I'm not sure which spring I'm using now, I believe it's the OEM 7-round spring. Easy to follow instructions are included. May 5, 2006 · The Nova collar also has the serrated teeth like the original M4 nut so it can lock against the ball detent in the barrel ring. 00. In Stock. The Benelli part number is 81043P. If someone could please enlighten me on why the $450 Panzer can handle the speed and ammo much better than the Benelli. Attached DMW 2 round add-on extension, DMW part 011. Made in USA Feb 17, 2019 · As has been mentioned before on this forum, Benelli ships a spring meant for the full 7-round mag tube even though it also ships with the 5-round limiter mag tube, so straight out of the box it will be a little too long and may inhibit 5-round capacity with certain shells. 4oz What's Included: Carbon fiber magazine tube Picatinny magazine tube clamp Extended spring Follower Please NOTE: This product is made in Turkey and does not count as a US . I see that Dadams sells extensions to hold 7, using the factory spring. Aug 21, 2011 · Now for example, lets say that the Benelli has 1,2,6,7,9,10,11,12,14, and 15 as U. Looking for the option that will hold up the most. Not sure about 922(r) compliance for Gen 2 with 2-round extension though. Easy Installation: replaces the OEM false magazine extension. Shop now for Benelli M4 at Briley, A Legacy of Shooting Innovation. Total price to my door was $68. But, it seems that only Benelli M4 owners worry about 922(r). Benelli M4 One Shot Extension. with the primary focus being the Benelli M4 Tactical Shotgun. com and under factory parts the Benelli P/N is 301-000-115 it is the long spring and cost under 7 bucks. 5"), 04502 (6. 2501 Benelli M4 Raven Mag Extension Tube and Cap. Jan 1, 2016 · If you can't find the blank (5 round) extension, I make a pretty neat extension that allows for 6 rounds in the tube. The magazine extension tube is great… Read More »Carlsons Benelli M4 Shotgun Magazine Aug 21, 2011 · Now for example, lets say that the Benelli has 1,2,6,7,9,10,11,12,14, and 15 as U. But it never allowed cleaning the magazine tube or the bolt return tube without snap ring pliers. Benelli 20159 SuperNova 18. I’m not saying that a violation of 922r is anything to be particularly concerned about. or Best Offer +$13. The Benelli M4 Titanium Cerakote magazine will replace the five round magazine/crimped extension and extend your magazine to hold seven 2-3/4" or 3" magnum shells. Overall Length of Extensions: 04500 (8. 00 Tactical Bolt Handle For Benelli M4 Sep 15, 2022 · Shop Choate Tool Benelli M-4 +2 Extension Matte | 10% Off 4. Stock tube holds 5 rounds of Federal Power Shok 2-3/4 00 buck just fine. Easy to install and 100% USA made for reliable performance. NOTES: Magazine spring and followers sold separately. Apr 22, 2010 · Just purchased a new, never fired Benelli M4. Here's a pic with the Nova extension in place. Jun 2, 2013 · I think I found my answer : in the manual it is stated as 6 round capacity for both 3" and 2. out of 5. Adds two rounds to your Panzer M4 by replacing the false 2-round extension tube. Jan 28, 2009 · Example, install hunting stock on an M4 (losing pistol grip) you may then exceed 5 round capacity OR add recoil reducer (muzzle extension) OR add bayonet lug, etc. Panzer M4 Magazine Extension Tube. S parts you can add a imported mag tube, but if you remove a U. Most people won't have the problems I did. I'm always asked - which tube best matches the black shotgun: 81043 FF Ti - FFT Finished Titanium 2-Round Magazine Extension Tube for BLACK M4 Shotguns NOTES: Magazine spring and followers sold separately. 99 Benelli m4. Constructed from black anodized aluminum, this mag tube extension fits Benelli M4 shotgun models chambered for 12 gauge. The "bump" where the extension starts adds a nice break up of the lines in my opinion. Jan 23, 2006 · The key to remember when loading 7 2 3/4inch shells is the last shell should feed as smoothly as the first. Feb 3, 2009 · If you are looking for springs then go to www. 4. 25") Magazine round count is for total capacity using 2 3/4" shells and 1 in the chamber 2 round grey titanium mag tube extension for black / h20 shotguns - benelli m4 $ 295 70124 FF - FFT 922(r) Compliant 5-Round Finished Titanium Magazine Tube for NJ and MA Residents and Short-Barreled Shotguns (SBS) - 1x 922(r) Jul 25, 2024 · Hi everyone, I’m about to buy a new stock Benelli M4. I used a pair of needle nose pliers to bend the bitter end of the spring inward and downward. 2 Round Extension Tube Panzer Arms M4 Tactical +2 Magazine Extension - Marine Finish - PAM4P2MEN : Elevate your Panzer M4 or M4 Clone shotgun experience with the +2 Magazine Extension. This product is 81043 FF - FFT Steel 2-Round Magazine Extension Tube for BLACK Original Benelli M4 Shotguns NOTES: Magazine spring and followers sold separately. 95 Enhance your Panzer M4 or M4 Clone shotgun with our +2 Magazine Extension for an elevated shooting experience. S. So check to see what parts on your gun are U. The ProMag Magazine Tube Extension fits the Benelli M4 12 gauge shotgun and increases the shot shell capacity by two shells. Also, Freedom Fighter tactical makes 2 round extensions that replace the dummy extension. Benelli ; 25 round mag extension Mar 4, 2010 · hello folks, i'm thinking about adding a +2 extension to my full length tube, and was wondering which one to get. Made in USA Aug 20, 2020 · Just got a new Benelli M4 model 11707 and I have a question about 922r. If you have the 5 round tube (with the dummy extension), then ATI makes (or used to make) one: A. 9oz (54g), reducing the weight at the muzzle end. Includes tube and extended spring. In my case, It was the same length as the benelli 5 round spring and even has the same "Coil" count. Specifications Caliber: 12 Gauge M4 2 Shot Magazine Extension Kit Easy-to-install magazine extension increases your 12 gauge shotgun’s capacity to two additional 2¾” shells. It showed up with the extension, and a new spring. Benelli M4/M1014 & Benelli M4 H2O Magazine Extension Colours. $125. 25"), 04501 (10. M4 2 Shot Magazine Extension Kit Easy-to-install magazine extension increases your 12 gauge shotgun’s capacity to two additional 2¾” shells. It is the Benelli USA factory original part in its original packaging. Would recommend this product. The extension comes with its own spring which is longer than the original factory spring. In my 8 round tube M1 and M2 they are just at the extreme length I want I know with your 7 round M4's you'll be cutting coils. Shop now for top-quality firearms. 95. 5. Anyway, if you put the +2 extension on yourself, then the law required that you comply with 922r at that time. $49. I'm always asked - which tube best matches the black shotgun: It's this tube and the 2 round extension just like it. M4 2 Round Extension Tube M4 1 peice 2 Round Replacement Tube Price $135. Buy discounted Benelli Magazine Tubes & Extensions for sale online at Omaha Outdoors. It’s very solid. r/Benelli_M4 I went with a Benelli 2 round extension just to get me in the game for now. Mar 14, 2013 · Just got a 2 round tube extension (Benelli Tube) and wondering if i need to repolace original spring or if new (longer ) spring is needed Thanx, Brian Nov 23, 2021 · Also, given the high demand, the enhanced model is sold at ~$200 above the Gen 2. Marine Corps went shopping for a shotgun, they bought the M4 — the 12-gauge shotgun that functions the first time, every time. SPECS: All extensions are 12 gauge only. Search this forum for "New Jersey special" and the pix will come up. Benelli M4 Full Length 7 Round Benelli LE M4 2 Shot Magazine Extension Tube. 75" shells (the manual provided with the m1014 refers to the mil/le version despite the obvious civ changes shipped, e. $450, can’t outrun trigger with any load. The net effect is that the Nova collar will lock the M4 barrel in place but leave the end open to accept any older Benelli extension. Add firepower to your favorite shotgun. It is the Benelli USA factory original part in the original packaging. The Benelli M4 magazine extension is coated in a matte black oxide finish and coated again in H2O cerakote to match the Benelli M4 H2O version. It holds 3 in the tube and one in the chamber. I noticed my factory spring from the 5 round tube worked well with the 2 round extension except for “light weight” shells. Panzer Arms M4 Tactical +2 Magazine Extension - Marine Finish - PAM4P2MEN : Elevate your Panzer M4 or M4 Carlson's Shotgun Magazine Extensions Tube For Home Defense, Tactical and Law Enforcement Use add firepower to your Benelli M4 shotgun. 0's M2 would choke and die! Quote; tyson129. Jan 7, 2021 · wow,cool topic,been a way a while,love those M1014s,awesome shotgun,man, if I couldn't afford a Benelli m4 and this m4 clone is avalaible,I would buy it,even if it works for just a little while because ''something is better than nothing'',I bought a chinese trench gun clone last year cause I could'nt afford a real one. If I upgrade the magazine capacity from 5 rounds to 7 rounds with a 2 round Benelli LE M4 Shot Mag Extension Tube # 81043 Mar 4, 2025 · Benelli M4 Titanium Cerakote seven round magazine coated In Arizona for the Benelli Titanium Cerakote model m4 shotgun. Check out BENELLI M4 MAGAZINE EXTENSION KIT available Online at Brownells Today and many more Shotgun Magazine Tubes & Parts products are available in our Gun Parts Department. These magazine extensions are constructed of blued solid steel and come with spring and a high visibility follower. There is a very limited quantity that may not be restocked. 95 Tubular Magazine Springs. The common 2 3/4 length is nominal. Available at Botach with . For a M4 11707. Ratings Snapshot 5. 2 round silver mag tube extension for h20 - steel - benelli m4. Just remember to leave the cut end at the muzzle. 98 and that will give you one Made in the USA component toward your 922(r) component count whereas that Benelli magazine extension is not made in the USA while causing you to not meet the 922(r) requirement with the increased magazine capacity. THE FFT/WOLFF HIGH POWERED MAGAZINE SPRING IS ALWAYS RECOMMENDED WHEN ADDING MAGAZINE CAPACITY OVER 5 ROUNDS. Just know that some shells are longer than the 2 3/4 inch size standard. The Benelli red and black original vacuum shrink w Smith and Wesson model 1000P and 3000 pump 8 shot magazine extension (Matte) $ 59. Mine is a California bought model. It failed to eject them fully into the carrier and they wouldn’t load. Kley-Zion Specifications: Identical to the original, 2 Round Extension Tube Made From Sold Bar Stock The FFT / Wolff M4 full-length high power magazine spring is highly recommended for best results cycling loads. g. It will closely match the Titanium Cerakote Benelli M4, but may vary slightly. The factory packaging is still sealed. Only mod on the Benelli m4 is the Dave’s Metal Works 7 round extension and a Wolff Premium High Power 7 round Magazine Spring. Note: The DMW 2 round tube extension is designed for the Benelli M4 semi-auto shotgun ONLY. sort. Jul 28, 2010 · I see this becoming a war but there is a Benelli +2 extension on my M4. I want to increase the magazine tube capacity from 5 to 7 and I was wondering if there are any reasons why I should replace the whole tube with a 7 round over just adding the 2 round mag extension. With my 2 round extension tube, I can at least clean the magazine tube now. Very few Beretta 1301 owners paid attention to 922(r). THE NP3 TUBES ARE THE BEST CHOICES FOR MATCHING A TUBE TO YOUR "TITANIUM CERAKOTE H20 BENELLI M4 SHOTGUN" - IT IS A BETTER CHOICE THAN THE STEEL BLACK OR THE TITANIUM AIR FORCE GREY FOR BLACK SHOTGUN. 00 - Notify Me Get 20% off now - Click Here No restocking fee on new and unopened items! M4 2 Shot Magazine Extension Kit Easy-to-install magazine extension increases your 12 gauge shotgun’s capacity to two additional 2¾” shells. The magazine extension tube is great for home protection, competition shooting, and law enforcement. Benelli M4- Daves metal works 2 round extension & speed bolt release, Briley 8” handguard, Mesa tactical rmr mount/side saddle,Holosun 507C GR X2,GG&G charging handle. This part is an 'Air Force gray' and is NOT truly black. 1 Star Rating on 17 Reviews for Carlson's Choke Tubes Benelli M4 7- Shot Magazine Extension Best Rated + Free Shipping over $49. Nov 3, 2019 · Dave's Metal Works has a full length steel made in the USA M4 magazine tube for $74. The threaded tube replaces your magazine cap and gives you the ability to add extra rounds to you magazine. You are going to get the people that say "buy a full length because thats the way it's supposed to be". Edited November 25, 2018 by NoTycoon Details New Listing Tacstar Tube Magazine 2 Round Extension For Benelli M4 12ga Shotgun Mint Cond! Opens in a new window or tab. $ 245. Its not really longer, it just appears that way. 5″ Pump Tactical 7+1 Shotgun with 5 Position Telescoping Stock & Ghost Ring Sights for Law Enforcement Add to Government Agency Quote Request; Benelli 80087 M2 Two (2) Round Magazine Extension Tube Add to Government Agency Quote Request Feb 22, 2009 · For sale one Benelli two round magazine extension for the M4. Brand New. Oct 30, 2007 · I am relatively new to the M4, but now I am even more confused. I went with the +2 simply because I like the way it looks and it's a Benelli product. S part. Gforce Arms M4 – NO. Tired of running out of rounds too soon? Today, your prayers are answered as Panzer introduces this game-changing accessory, designed to give you the capacity you crave. FFT Community. People do it and are typically excused by KNOWLEDGABLE personnel by compassionate virtue when considering that Remington and Mossberg are exempt from such petty and arbitrary Shop Benelli M4 magazine extensions at MidwayUSA! We carry the widest selection of magazine tube extensions for the Benelli M4! Benelli 81043 M4 Two (2) Round Magazine Extension You may also like… Tactical Rescue Knife Spring Assisted with Glass Breaker & Dual Purpose Seat Belt & Cord Cutter In this video I show you how to install a magazine extension tube on Benelli M4 shotgun. 25"), and 04506 (6. This extension holds an additional 2 shotgun shells for this semi-auto firearm. S and then add the 7 round mag tube as long as you keep 10 U. Go to Benelli_M4 r/Benelli_M4. The best Benelli M4 parts on the planet: https://www. Add to Cart. Specifications: Material: Carbon fiber, aluminum alloy Capacity: 7+1 Compatibility: Benelli M4, M4 clones Weight is 3. Find the Benelli M4 H20 18. Benelli M4 2 Shot Magazine Extension Kit. Mar 29, 2021 · Are you saying your M4 came from the factory with a +2 extension when you nought it? I wasn’t aware of those. In addition you can purchase either mag tube extension in a 10% discounted package with the GG&G Benelli M1 Barrel Clamp. 5 Star Rating on 4 Reviews for Choate Tool Benelli M-4 +2 Extension Matte + Free Shipping over $49. 5" Shotgun with a 5-Position Stock, 7+1 Extension Tube & Night Sights GEN 2 at Botach. 25"), 04504 (14. Perfect for competitions, law enforcement, or home defense use. 00 – $ 150. 4130 seamless chrome-moly tubing maganese phosphate - Parkerized finish Replacement mag tube and new longer mag tube spring included in kit. 95 $149. If the last round does not feed as easily as the first, then you have not correctly installed the 2 shot magazine extension. 29 Feb 29, 2024 · What is a Benelli M4 Magazine Extension? A Benelli M4 magazine extension is a tube designed to be added ahead of the magazine tube to increase its capacity. Daves piece is a nice design,clean threads, and very finshed looking. Color: Custom matched H2O Titanium Cerakote to closely match the H2O Benelli M4's. Shop Black River Manufacturing Benelli M4 Extended Magazine Tube | 18% Off 5 Star Rating on 1 Review for Black River Manufacturing Benelli M4 Extended Magazine Tube Free 2 Day Shipping + Free Shipping over $49. drfubvznivinwnrhkcqjcevqjdmijatgdwsghtgcedglyvzmjrqwzdsdznlfaumtijkhhlixypnhlyjlayuyez