C4 Rail (7in - 12in) $230. The caliber is much better with shorter barrels and even in 16" benefits from the increased dwell offered by shorter pistol gas systems. Cadex. PSA AR-9 Shockwave – Best Compact 9mm Carbine. 223 based AR platform systems. 0, mid-length - 9. Features. cultist Discussion Starter. It is a lightweight, rugged, 2-piece free float rail that, when installed, provides a continuous 12 O'clock rail and MLOK slots for the 3,6, and 9 O'clock positions. 00 : M-LOK AR-15 Handguards for Sale at Joe Bob Outfitters! Subscribe to our Newsletter:Yup. All i get is a single screen shot of the thread and it may have 3-4 posts on it. From $ 121. Confirmed, you'll need to cut them off, or it'll look like this: 12-16-20, 23:52 #139. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. The Daniel Defense Omega M-LOK 2-pc free-float handguard is not a drop-in. 99. 00 In Stock C4 M-LOK Rail (12in) $310. 00 In Stock C4 M-LOK Rail (Carbine Cut) $280. 95 – $ 129. Save 10% MSRP: $ 135. The C4 system is the lightest and most rigid rail that clamps to a standard barrel nut on all AR15, M4, and M16 type weapons systems. The MLOK C4 rail system is based off the patented quad rail version. These accessories are designed to mount to M-LOK® compatible handguards. If you go with the one in the link I sent you won’t need any of that I just mentioned. Features. It’s a bummer that the C4 won’t allow it. RealeyesRealizeRealLies BCM 16" RECCE MK2 DkBrz, Custom Mk12 Mod1 built by Monty LeClair, 16" Middy w/ HCS RECCE barrel, A5, Young NM BCG, SSP, Geissele NM rail, Ops Inc. 5 FSB upper that I bought back in the "golden days" for <$400. 16" M4 Carbine Upper Group; 16" Mid Length Upper Group; 16" Recce Upper Groups (Mid Length) 14. 83. 0). Daniel Defense Vertical Grip. The C4 system is the lightest and most rigid rail that clamps to a standard barrel. $273. The C4 rail was originally offered in quad Mil-STD-1913 rails, but later in MLok, 12” and carbine length cutout; and front sight pocket handguard options. I’m not saying it’s the best rail, but it’s my favorite M-Lok rail,. (15" length) VIEW DETAILS. A machine gun rental in Las Vegas posted they had tried 20 Colt M4 Carbine LE6920 OEM1 (same as the OEM2 except it have a front sight base) in 2015 it was legally converted to full auto for rental purpose, they didn't even cut the barrel to 14. 5" MM Mid-Length M-LOK Rail This item is currently on order MSRP: $275. It work. 00 (Intro Price $263. $320. $84. It is a lightweight, rugged, 2-piece free float rail that, when installed, provides a continuous 12. 00. We offer a variety of lengths, materials and. C4 MLOK 12in FSP (For Carbine Gas FSB’s) The MLOK C4 rail system is based off the patented quad rail version. 0). My personal favorite is the carbine cut which gives you a 12-inch rail with a cut designed to work with front. Board policy mandates I state that I shoot for BCM. View Details. The Magpul SL has just enough clearance for a bayonet to be mounted. It can be assembled/disassembled without removing the front sight post or pinned muzzle devices. C4 Rail (7in - 12in) -BLEM. Sand cuts are added for increased reliability in harsh conditions. 00 Free 2 Day Shipping. 18 shipped with code February. C4 Rail, Carbine Length Cutout Rail Handguard. It would obviously need to be longer than 12". 0, mid-length - 9. 2 models Geissele 13. plus 1. I have also done work for 200 or so manufacturers within the firearm community. 01-26-21, 17:00 #191 titsonritz Site Sponsor Join Date Jul 2010 Posts 8,994 Feedback Score 45 (100%) Originally Posted by Redcup I’m in the process of putting together my first. View Profile View Forum Posts View Articles Member Join Date Mar 2012 Location Mass Posts 179. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. 2 models Geissele 13. This design allows the installation of the rail on an upper assembly without removing. Fit and finish is above nice. RealeyesRealizeRealLies BCM 16" RECCE MK2 DkBrz, Custom Mk12 Mod1 built by Monty LeClair, 16" Middy w/ HCS RECCE barrel, A5, Young NM BCG, SSP, Geissele NM rail, Ops Inc. 5" KINO. Add to Wish List Add. 00 $279. PSA Gen 4 Classic – Best Affordable 9mm Carbine. The C4 allows for a rigid rail platform and features the M-LOK interface at 3 positions. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Finish: type 3 hard coat anodized. $109. Invest in a piece of engineering brilliance with the Centurion Arms C4 Rail 9. Finish: type 3 hard coat anodized. Description The Centurion patented C4 rail system is a lightweight, rugged, 2 piece free float rail that when installed gives the uppers a continuous 12o'clock rail. 00. NEW Centurion Arms C4 m-lok rail. The C4 system uniquely features the use of a standard mil-spec "toothed" barrel nut, which makes for an. Item In Cart Quick View. MTU001SS. I've checked midwest. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. C4 MLOK CARBINE CUT. 03-16-20, 00:13. Thread: NEW Centurion Arms C4 m-lok rail. UTG PRO AR15 Super Slim M-LOK Carbine Length Drop-in Rail, Black. I was trying t. Stick Board policy mandates I state that I shoot for BCM. Magpul MOE M-LOK AR15/M4 Hand Guard, Gray (Carbine Length)- Mag424-GRY . Save 5%. The M-LOK® C4 rail system is based off the patented quad rail version. 00. NYH1. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Mission First Tactical EXD Free. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. First off 300BO has far less gas than 5. If you are looking for a handguard with an A2 cutout for your AR-15 with an A2 front sight, Mounts Plus has a wide selection of options to choose from. are needlessly heavy. But, while that SOCOM report didn’t do KeyMod any favors, the company hasn’t backed out just yet. 00 Best Rated. You name it, Rainier Arms got it. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. AR, my first, so I went shopping and after about an hour of research, I ended up at PSA and ordered a freedom 16" PA-15 carbine complete "blem" model for $429 out the door. This design allows the installation of the. It's designed to enhance your AR15, M4, and M16 type weapons systems, with precision, stability, and balance. (plus sales tax) My G2C was at the FFL in a little over a week. 5 inch rifle? i will be shaving a fsb and want to put a rail on it. ) I understand that there's not a whole lot to get about them, but there's also not a whole lot of information out there about them. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. MSRP: $245. In Stock. 00) Pre-Order, Shipping by Mid. 00. I have no experience with the larue rail, but I do have a centurion carbine cut-out rail on an sbr. 00. 5" Centurion MLok Rail? If one doesn’t have a front sight, or if one is building an AR from scratch, or if the length of one’s barrel precludes the >10. View Profile View Forum Posts View Articles Member Join Date Aug 2009 Location. This design allows the installation of the rail on an upper assembly without removing the front sight post or permanently attached muzzle devices. 8 models Aero Precision M5 ATLAS R-ONE M-LOK Handguard (11) As Low As (Save Up to 22%) $171. Price: USD 280 Posted: 10/14/2021 1:18:10 PM EST. S. Cadex 4. 5in, Black, NSN 9305. Quote: Originally. Fully hard-chrome finished, the V1 8620 steel, full-auto weight carrier includes a proper machined Mil-Spec gas key that is chrome lined, phosphated and heat treated per the TDP and is secured to the carrier via Grade 8 fasteners and properly staked during final inspection. Will make install extremely easy. Slightly knock down the newly cut edges, just enough to get it smooth. So my question is, what is the best free float rail, preferable mlok for a 14. 5 FSB. 95 $80. 00 $249. Add to Wish List Add to. micmac Replies: 0 Views: 60 6/11/2023 4:32 AM. View Profile. Lasers work like optics and must be zeroed to be effective. Features: Height: 2. Pensacola, FL - collector, shooter, and enthusiast. Magpul MOE M-LOK Hand Guard, Carbine-Length AR-15/M4. MI makes a nice MLok two piece drop in rail for keeping the FSB and it is lighter weight than most other brands. I measured the (C4) anti-rotation tab area on a MUR and a couple Aeros. . Color. SonOfAGunn. Renegade04. I have the original C4 Carbine Cutout Rail on my 6920 w/14. With the 6933 barrel, just go straight to an H3 buffer, due to its gas port. AT3™. One thing to consider if you decide to go with a completely new rail is that you will need a new crush washer, a new lo-pro gas block and possibly a new gas tube. Daniel Defense Omega 7 rail would work, 2 piece that locks into the delta ring via set screws and free floats the barrel so your front handguard cap doesn't matter, available in mlok and pic rail. The M4 is extensively used by the United States Armed Forces, with decisions to largely replace the M16 rifle. The MLOK C4 rail system is based off the patented quad rail version. 99 10% Bonus Bucks. C4 MLOK 12in FSP (For Carbine Gas FSB’s) 4 0 0. View Details. 56/. M-Lok Explained. I’m in the process of putting together my first build. (0) $350. In Stock. $280. Mil-Spec M5 Rifle RAS for M16A4. How does an active duty Seal run a business? I like the looks of these C4 M-lok , I think I will probably use one of these new C4 handguards. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. PSA Custom Cross-Cut Lightweight 15" MLOK Partial Picatinny Handguard . Price: C4 M-LOK Rail (Carbine Cut) – $280. No messing with BCM or LMT’s insane pins to remove. Yep. 5" Carbine Cut Out Picatinny Rail Handguard. One new winner* is announced every week! You will receive an email every Friday morning featuring the latest chatter from the hottest topics, breaking news surrounding legislation,. The Night Fighter is an M-LOK rail system designed with IR lasers in mind. I really love my old Daniel Defense six-bolt 12" carbine FSP handguard (bought it in 2010). 00 . B5 Systems Drop-in Midlength Handguard for AR-15. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. View Details Centurion Arms C4 M-Lok Handguard - Carbine Cutout. NoveskeFan. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Thread Tools. In Stock. 95. I am prior service, a full time LEO, firearm instructor, armorer, TL, martial arts instructor, and all around good guy. 00. View Profile View Forum Posts View Articles Industry Professional Join Date Jun 2006 Posts 12,742 Feedback Score 1 (100%) Originally Posted by Eurodriver. Not a pencil profile but the handguard is excellent. 95: MAG583: Magpul M-LOK® Aluminum Rail 9 Slot: $23. Mission First Tactical Tekko Metal AR Carbine 7in Drop In Rail System, AR-15, M-LOK, 7 in, Black, TMARCMRS, MPN:. No messing with BCM or LMT’s insane pins to remove. Centurion Arms C4 Rail Handguard Carbine Cutout. Features. Daniel Defense DD RIS III M-LOK Rail 9. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Ergo. 00. View Details Billet C4 upper/lower set, C4 bcg, Radian CH, Centurion 11. Save. Cut the delta ring assembly and handguard cap off and bolt the handguard on. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. The Centurion patented C4 rail system is a lightweight, rugged, 2 piece free float rail that when installed gives the uppers a continuous 12o'clock rail. M-lok also available for the same price. I like the look of the carbine cut version over the FSP version. Thats exactly what I was thinking, the C4 is specific to the design of the barrel nut. 00 (Intro Price $238. The MSRP range from $229. If you want to use the stock barrel nut the Centurion C4 mlock rail is great. Daniel Defense Omega 7 rail would work, 2 piece that locks into the delta ring via set screws and free floats the barrel so your front handguard cap doesn't matter, available in mlok and pic rail. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. ; 13. Does anyone know if a bayonet can still be mounted if using this rail? No, talking about this style of rail C4 M-Lok carbine FSP but for a mid length possibly with a CMR type lock up. WHY THOROUGHBRED ARMAMENT COMPANY LLC? CONTACT INFO. WTS: LaRue LT271 3-Slot Picatinny Rail, Lo Pro Ind. Cut the delta ring assembly and handguard cap off and bolt the handguard on. Their other MlLOK rail is base on the CMR system which is single piece and utilizes a proprietary barrel nut. For those who want something stronger, seek the CMR. Rating: 100%. I can't seem to find a suitable handguard replacemnt for my Colt 6920 with Magpul MOE handguard. This design allows the installation of the rail on an upper assembly without removing the front sight post or permanently attached muzzle devices. Centurion Arms C4. I have the Centurion Arms C4 Carbine cutout rail on my 6920 and really like it. The MLOK C4 rail system is based off the patented quad rail version. 00 (Intro Price $238. It is a lightweight, rugged, 2-piece free float rail that when installed gives the. This design allows the installation of the. Centurion Arms C4 M-LOK Rail Mid-length Cut-out - Black. It is a lightweight, rugged, 2-piece free float rail that when installed gives the uppers a continuous 12o’clock rail and MLOK slots for the 3,6, and 9 oâ clock positions. eBay Product ID (ePID). This venerable design is awesome for several reasons. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. [PARTS] Centurion c4 mid-length quad rail cutout. Magpul M-LOK Polymer Rail Section, 11 Slots - MAG593 . Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. The MI Combat Rail has a strong attachment and has the offset Mlok slots, so it would get my vote for a 10. AT3™ Pro Quad Rails – Free Float AR15 Handguards – 4 Lengths Available. Made in USA. 95: JPROS: 45° Rail Offset Adapter: $62. size XXL mechanix gloves for perspective, and the rail feels just right. Address: PO Box 122 Flatwoods, KY 41139; Phone: 502-771-2157; Welcome to Thoroughbred Armament Company LLC LOGIN / REGISTER; FAQ; ENGLISH; USD; 0. 00 (Intro Price $263. In Stock. 25. Description. Comes with centurion barrel nut and all the screws for mounting. (*Add link from AR15Discounts to this area) Affordability Tiger Rock 7″ Carbine Length Free Float Quad Rail Handguard w/ Barrel Nut – MSRP – $42. With how sweet these drop in rails are, is there a reason not to choose something like the drop in two piece 12" or 12" carbine FSB rail over the normal single piece 10. BCM® PKMR (Polymer KeyMod™ Rail) Carbine Length-FLAT DARK EARTH. Pretty sure Midwest Industries also makes/made a two piece drop in that is compatible with a triangle cap. It would obviously need to be longer than 12". VISM AR15 M-Lok Handguard/ Two Piece/ Drop In Fit/ Carbine Extended Handguard Length/ 13. BCM® KMR Barrel NutPosted by u/TheWalkInCloset - 306 votes and 219 comments8 models Aero Precision M5 ATLAS R-ONE M-LOK Handguard (11) As Low As (Save Up to 22%) $171. 1oz w/stand barrel nut. It's listed as weighing 10. Stickman. The thing I love best about this pistol is the coatings on everything. Here, other accessories can be directly mounted to it with a dedicated. A prime example of the vertical foregrip, it is shaped to fit the hand with rounded edges and flat sides. Finish: type 3 hard coat anodized. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. 5 hours or an 800 lumens model. There is no need to access the rear side of the rail for mounting. 97 Best Rated. The Centurion Arms C4 Rail fits securely onto a standard barrel nut, allowing for easy installation without the need to remove the front sight post or permanently attached muzzle devices. C4 Rail (7in - 12in) -BLEM. 99. Early versions of Glock®-brand magazines with a “U” shaped notch at the rear of the magazine feed lips will not function in the PC Carbine™. , Super CH. Centurion Arms C4 M-Lok Handguard - Carbine Pocket 12" $332. This vertical grip is an excellent choice. INFORCE Rifle/Carbine Lights. Save 3% MSRP: $ 29. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. I've been waiting for the C4 M-LOK Rail (Mid Cut) to come in stock forever, emailed Centurion a couple weeks ago to inquire about timeline, Corrie got back to me less than an hour later (Thank you very much Corrie) and let me know they were expecting them the following week. Mil-Spec. C4 M-LOK Rail (12in) $310. C4 M-LOK CARBINE CUT. ROLLTIDE! NYSRPA Member. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Remember Me? What's New? Forum The forward portion of a midlength FSB is approximately 11 1/8” from the face of the receiver. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Only parameters: build must be an AR variant, have an FSB and a free float forend (rail, tube, other; carbine length, mid-length, rifle length; cutout, non-cutout, whatever). 5" middy Noveske Afghan X3, 10. But HOW do you do it? How exactly do you use M-LOK's c. I have had 5 C4 rails including the cut outs at one time or another. View Profile View Forum Posts View Articles Industry Professional Join Date Jun 2006 Posts 12,688. 5" Carbine Cut Out Picatinny Rail Handguard. It is a lightweight,. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. C4 MLOK MID CUT The MLOK C4 rail system is based off the patented quad rail version. It is a lightweight, rugged, 2-piece free float rail that when installed gives the uppers a continuous 12 o’clock rail and M-LOK® slots for the 3, 6, and 9 o’clock positions. The 14. 1 In Stock. 5" in FDE. MPN. 5 inch like the. 99 (Save 25%) $29. Out of Stock. Centurion Arms C4 Rail Handguard, Carbine Cutout, 9. 5" Carbine Cut Out Picatinny Rail Handguard I’ve always liked the C4 rail as a future upgrade for FSB equipped rifles. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Geissele. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. 5" Pistol Barrel 5. The C4 system is. 00 $200. C4 M-LOK Rail (Carbine Cut) $280. Geissele 15" Super Modular Rail MK8 M-LOK, DDC ‒ 05-286S . Posted: 10/14/2021 9:57:24 PM EST [#4] Centurion hands down…and I know I’m going to catch heat for this but the Troy rails are decent too. I used to cut down FSBs into low pro gas blocks and this stuff held up great. The MLOK C4 rail system is based off the patented quad rail version. It was designed with the top 1913 rail for mounting the most common accessories, yet does away with the need for 1913 rail at the 3, 6, and 9 o'clock positions. The MLOK C4 rail system is based off the patented quad rail version. CENTURION ARMS C4 M-LOK Carbine Length Cut RAIL SYSTEM AR15 2 Piece MLOK Cutout. This one is base on their C4 system, which is a two piece rail that uses a standard GI barrel nut (one of the few worth a damn that does) and up to this point was only available with a Picatinny rail. 55″ Optimized Rail $. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Then paint the exposed areas with some Alumnihyde and wait a week for it to cure. It measures 9. This strong and lightweight 2-piece design can be installed easily onto standard AR-15 uppers after removing the delta ring and hand guard cap, a task easily accomplished with hand tools. Description The Centurion patented C4 rail system is a lightweight, rugged, 2 piece free float rail that when installed gives the uppers a continuous 12o'clock rail. Reply. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. View Details. Rating: 100%. It is a lightweight, rugged, 2-piece free float rail that when installed gives the uppers a continuous 12o’clock rail and MLOK slots for the 3,6, and 9 oâ. This design allows the installation of the. PSA 16" Midlength 5. View Product . 37" Continuous 1913 Picatinny Top Rail;. It feels very slim in my hand, very solid. Finish: type 3 hard coat anodized. Board policy mandates I. Quick view Add to Cart. Guntec USA Black Ultra Lightweight Thin Keymod Free Float Handguard. I'm looking for a two piece keymod/m-lok handguard (preferably keymod since I have a 2 keymod rails already). This design allows the installation of the rail on an upper assembly without removing the front sight post or permanently attached muzzle devices. Thanks for the reply. . I like the looks of these C4 M-lok , I think I will probably use one of these new C4 handguards. 00 (Intro Price $238. Centurion Arms C4 Quad Rail Handguard – Carbine Cutout. 20. NoveskeFan Replies: 1 Views: 1477 6/26/2023 10:26 AM Jencountry SB Tactical Coupon 20% off. 1oz w/stand barrel nut. Description. With a barrel with a FSB, you have to get the appropriate length handguard (carbine - 7. 5" rail. $9. Great quality and lightweight handguards. The C4 system is the lightest and most rigid rail that clamps to a standard barrel nut. MSRP: $486. Save 23 – 27% MSRP: $ 109. 00. Buncheong. 6 oz. Includes two M-LOK Accessory® to Picatinny Rail Sections. In Stock. TRYBE Defense 16 in Wylde Government Profile AR Carbine Barrel, . 95. 97. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Posted: 10/14/2021 9:57:24 PM EST [#4] Centurion hands down…and I know I’m going to catch heat for this but the Troy rails are decent too. 00 $200. The MLOK C4 rail system is based off the patented quad rail version. Last edited by AAMP84; 01-30-21 at 03:23 . M-LOK Series Hand Guard Length: Carbine. The C4 Rail System is renowned for its durability, accuracy, and lightweight design. Installed my Centurion C4 MLOK Carbine cut rail on Colt 6933 11. 99 Save Up to $65. Got it this afternoon, came a day early. Centurion Arms C4 Rail Forends are free-floating, lightweight and compatible with all AR15, M4 and M16 style firearm systems. Geissele Mk16 rail 13. Shop Mission First Tactical EXD Free Float M-LOK Rail System | Up to 16% Off Be The First To Review Mission First Tactical EXD Free Float M-LOK Rail System + Free Shipping over $49. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. The MLOK C4 rail system is based off the patented quad rail version. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. 52 votes, 15 comments. 7 Star Rating on 148 Reviews for VISM AR15 M-LOK Carbine Handguard Best Rated + Free Shipping over $49. 5” Handguard: A handguard of this length will cover your. 5" Lightweight M-LOK Upper without BCG and CH. Derek33. CENTURION ARMS C4 M-LOK Mid Length Cut RAIL SYSTEM Midlength AR15 2 Piece MLOK Cutout. Rear sights are quite noticeable when in front of an optic and obscure a lot of the view. Finish: type 3 hard coat anodized. Centurion Arms announces the C4 M-LOK Rail. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. 95 $183. Out of Stock. Morgantown, Indiana – – Centurion Arms LLC is happy to announce the C4 M-LOK® Rail.