Mr556 quad rail

Are you in the market for a new quad? Whether you’re an off-road enthusiast or simply looking for a fun way to explore the great outdoors, buying a quad can be an exciting but over...

HECKLER AND KOCH MR556 QUAD RAIL HANDGUARD. SKU: 236204. UPC: 642230247642. $379.00. Out of Stock. $305.47. or 4 interest-free payments of $76.36 with Learn more. Add to Wishlist. How to Buy a Gun Online.Heckler and Koch HK416 / MR556 9″ Free Floating Quad Rail System for use with Adjustable Gas Block – Factory New. This is a factory original, genuine HK part manufactured in Germany. Heckler and Koch is internationally recognized for their high quality products, commitment to excellence, and their unparalleled, innovation.HK MR556 416 Adjustable Gas Block For 14.5-16in Barrel $ 419 00. Out of stock. ... HK 416D Style N-S Cutout Quad Rail Foregrip Handguard Black $ 199 00.Personally I prefer the original HK quad rail - I find myself re-positioning a bipod or fore grip more often than anything. Side rails with covers are fine by me but I have large hands. My 2 cents. Second favorite is the Remington Defense - need to add rails where you want them. Since no longer in production I suppose not fair to mention.The Super Modular Rail (SMR) MK4 M-LOK™ is Geissele’s ultra-rugged M-LOK option. These rails are purpose-built and feature integrated M1913 picatinny rail sections at the fore of the rail in the 3, 6 and 9 o’clock positions. Maximum venting for heat dissipation also dramatically reduces the rail's overall weight, while maintaining its ...

Not looking for anything rare or fancy, just whatever take off quad rail you have laying around. Thanks! in this thread in this sub-forum in the entire site. ... Mr556/416 9" quad rail. Bought Leave A Review M. MattNificent 5.00 star(s) (5.0) 2 … Includes a New Factory HK-416 Short 9″ Inch Quad Rail Modified with the Adjustable Gas Block Access Cut-Out and Marked N-S. Test Fired by TDyer Gunsmith Only with and With-Out a Suppressor for Function Check. Factory Black. S/N 241-402231 File Pics. H&K HK MR556/MR762/HK416 A5 Rail Cover Set - RAL 8K. Each rail measures:8 3/8" Long (X2), 1 X Short rail 6" Long1 3/8" WideBrand new Heckler & Koch HK 416A5 Style picatinny rail covers made of high impact HK polymer. Each rail is equipped with a quick release tab & marked with the HK logo. These are specifically made for HK MR762, … HK MR762/417 Picatinny Quad Rail Handguard Complete - Black. (No reviews yet) Write a Review. SKU: HKP-16629. UPC: MPN: 235870. Previous. $589.95. HAO's HK style Quad Rail For HK416/MR556 Why buy a poor quality rail on your PTW HK416? HAO's HK Style Quad rail is 100% made every details as same as RS . *It's standard equipped on 416V2 Standard kit. Anodizing/surface treatment disclaimer : Anodizing is a serious chemical process that is fairly unstable. The shade of color can vary batch by ... If you’re in the market for a quad, buying a used one can be a smart choice. Not only can it save you money, but it also allows you to get a higher-end model or additional accessor...HK MR556 9 Inch Rail RAL 8000. Product #: 147823 Condition: Factory New MPN: 51000223-RAL UPC: 676538286911 MFG: Heckler and Koch (HK) MSRP: $389.00. Price: $268.00. Layaway payment as low as $67.00 per month. Get a layaway quote! Free Shipping Ammo, Part, and Accessory orders with a $200 minimum purchase and within the continental United States.

Ruby on Rails, commonly known as RoR, is a popular web development framework that has gained significant traction in recent years. Ruby on Rails is an open-source framework written...MR556, Upper Receiver kit - includes bolt, buffer, buffer spring, rifle length M-LOK handguard and 16.5" medium contour barrel assembly ... MR556 9" quad rail ...Lightweight, rugged 6061 aluminum construction, mil-spec hard coat anodized. Cross bolt constructed of heat treated 4140 phosphate finished. 9 Inch Carbine weighs 9.9 oz with cross bolt (M-LOK? compatible rail adds .5 oz) 13.5 Inch Length weighs 14.0 oz with cross bolt (M-LOK? compatible rail adds .5 oz) Includes one M-LOK? compatible rail.HK416 Quad Rail Handguard 11 Inch HK416 Quad Rail Handguard 11 Inch. Product #: 134384 Condition: Factory New MPN: 50233617 UPC: 642230247635 MFG: Heckler and Koch (HK ... Maxim Defense HK 416 / MR556 M-Slot Handgu ... $395.00. BCM KMR Alpha 17. $221.95. Noveske NSR 13.5. $277.63. F1 Firearms C7K Handguard 14.75 Inch. …MR556, Upper Receiver kit - includes bolt, buffer, buffer spring, rifle length M-LOK handguard and 16.5" medium contour barrel assembly ... MR556 9" quad rail ...

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HK 9" Quad Rail KAC 600M Rear / KAC M4 Front Trijicon TA31H-G with Trijicon RMR06 Type 2 LaRue LT799 Mount I also have the factory 9" HKey handguard. My MR556A1 is an "approximation" of the M27. My MR762A1 (CB date code ... lightweight barrel) Geissele SDMR Handguard (DDC) Troy Offset Front / Rear (FDE) Vortex Razor …German 416/MR556 Quad Rail. Bought Tags 416. Leave A Review excalibur99 5.00 star(s) (5.0) 30 reviews $1 USD. Feb 29, 2024 (Edited 3d ago) Looking for a German HK416/MR556 quad rail. Will consider used or new. Save Share. Like. 1 Reply ...HK MR762 Quad Rail Picatinny Rail Handguard Cover Set - 3 Rails Per Set Each rail measures:8 3/8" Long1 3/8" WideBrand new Heckler & Koch picatinny rail covers made of high impact HK polymer. Each rail is equipped with a quick release tab & marked with the HK logo. These are specifically made for HK MR762, MR556 & HK 416, 417 rifles.H&K Factory German Quad Rail Handguard for MR556 & HK416 for SOLD Now $199 shipped Taken out from a brand new/unfired MR556 rifle and obviously in like new condition. See pictures and judge it for yourself. Unlike from HKparts.net, it comes with original mounting screw as well. Picture came out...HK416/MR556; M4/AR15; Accessories. Model / TOY; Upper Accessories; Lower Accessories; Marui MWS Accessories; L119A1/A2 parts; USASOC URG-I parts; Muzzle Devices; Optic Mount; Charging Handles; ... HK style Quad rail- 11" for M27 IAR. Out of stock. Quick View. SMR screw repairation pack. Price $5.00. Quick View.

Geissele SMR M-Lok Railhttps://geissele.com/14-5-hk416-super-modular-rail-m-lokr-mk15-black.htmlCorrect rail for the USMC M27 and clones. Factory HK, Black, Aluminum, USMC M27, Rare! ... USMCM27-1 Categories: 416 417 G28 M110, Services HK416 MR556 Tags: 416, M27 Product ID: 5916. HK416 USMC M27 Long Rail Foregrip. Correct rail for the USMC M27 and clones. ... HK 416C Style Short Quad Rail Foregrip Handguard Black $ 179 00. …Extra shipping cost of $5.00. Bolt Catch Clamping Sleeve, New Factory Original MR556, MR762 HECKLER & KOCH. Firearm Mfgr: HECKLER & KOCH. Firearm Model: MR556, MR762. Product #: 1567250A. $7.62. Add to Cart. Bolt Catch, New Factory Original MR556 HECKLER & KOCH. Firearm Mfgr: HECKLER & KOCH.Traveling by train is a convenient and efficient way to get around, but the cost of national rail tickets can quickly add up. Luckily, there are several tips and tricks you can use...MR556, Upper Receiver kit - includes bolt, buffer, buffer spring, rifle length M-LOK handguard and 16.5" medium contour barrel assembly ... MR556 9" quad rail ... HK 416D Style Standard Quad Rail Foregrip Handguard Black. $14900. SKU: 416DQRFGHGCLNE-1Categories: 416 417 G28 M110, Services HK416 MR556Tags: 416, 416D, MR556Product ID: 6193. HK 416/416D style standard length, quad rail foregrip/handguard. Fits HK MR556/416 and all in spec clones. 2500 posts · Joined 2006. #3 · Dec 5, 2020. I would just buy HK Qrail it add weight but you can so much more with it. Like. rmbrclub Discussion starter. 602 posts · Joined 2020. #4 · Dec 5, 2020. I might actually just do that since I'm not going for a CAG clone build. Makes more sense to then pair it with my 516, which also has a quad rail ... Picked up a 2021 MR556. Changed out the M-loc rail for the German made 11" quad rail and added a Tango Down VFG and some Knights Armament sights. The Grand Canyon is one of the most breathtaking natural wonders in the world, and exploring it by rail is an experience like no other. The Grand Canyon Railroad Tour offers a uniq...

HK designed & manufactures in Germany 11" HK416, MR556 extended quad rail. This drop in unit offers 2 full inches in extra length. Not the standard 9" rail that comes with the HK …

Correct rail for the USMC M27 and clones. Factory HK, Black, Aluminum, USMC M27, Rare! ... USMCM27-1 Categories: 416 417 G28 M110, Services HK416 MR556 Tags: 416, M27 Product ID: 5916. HK416 USMC M27 Long Rail Foregrip. Correct rail for the USMC M27 and clones. ... HK 416C Style Short Quad Rail Foregrip Handguard Black $ 179 00. …I purchased this from a local seller. He said it is a genuine HK quad rail. But after I checked out the photos on the forum. It kinda looks like an airsoft clone to me. 1. There are no welding and screw retainer on the mounting part. 2. The screw and rail edge seems different.Sale! HK 416A5 Style Quad Rail Foregrip Handguard Black (Blem) $27900Original price was: $27900.$17900Current price is: $17900. SKU: HK416A5HGBLKBLM-1-1Categories: 416 417 G28 M110, Services HK416 MR556Tags: 416, 416A5, MR556Product ID: 7022. NOTE: Picture of blemish is only a representation, actual product may differ.The BRN-4 Upper Receiver Kit comes with a Surplus HK Upper and Surplus HK 9” Quad Rail. The BRN-4 Upper Receiver is not forged, like the real receiver, it is billet. I have not found a lot of good reference info on the kit or the assembly process. So I will use this thread to compare the receivers and to document my build process, when it ...HK416/MR556 Handguard, M-LOK™ (7 reviews) $241.95 - $272.95. In Stock. Combat Rail One Piece Free Float Handguard, Magpul FDE M-LOK™ ... AK Alpha Series Quad Rail Handguard (No reviews yet) $204.95 - $264.95. In Stock. Extended M-Lok™ 14" Handguard Compatible with Ruger® PC Carbine™ ...HK MR762/417 Picatinny Quad Rail Handguard Complete - Black. (No reviews yet) Write a Review. SKU: HKP-16629. UPC: MPN: 235870. Previous. $589.95.HK416/MR556; M4/AR15; Accessories. Model / TOY; Upper Accessories; ... HK style Quad rail- 11" for M27 IAR. Out of stock. Quick View. SMR screw repairation pack ...Just got a brand new MR556 and want the geissele rail, and already ordered the flip ups. Want to trade the factory quad rail and diopter sights for a 14.5 inch Geissele rail (NIB or close to and black), or sell for $450 shipped and I will order the rail myself. Other than opening the box up...

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Login. HK 417 MR762 Black Quad Rail Foregrip 13″. $59900. SKU: BLKQRFG13-1Categories: 416 417 G28 M110, Services HK G28 M110A1 417Tags: 417, MR762Product ID: 5957. Brand new HK factory original, 417/MR762, 13″ black anodized quad rail foregrip. Fits 417/MR762.H&K HK MR556/MR762/HK416 A5 Rail Cover Set - RAL 8K. Each rail measures:8 3/8" Long (X2), 1 X Short rail 6" Long1 3/8" WideBrand new Heckler & Koch HK 416A5 Style picatinny rail covers made of high impact HK polymer. Each rail is equipped with a quick release tab & marked with the HK logo. These are specifically made for HK MR762, …HK MR556 & HK416 DMR Length 15" Quad Rail - Extended HKP-18018 Out Of Stock. Quick view. HKP HK MR556/416 DMR Extended 15" M-LOK Handguard - Black. HKP HK Parts ... HK416, MR556 Replacement Handguard Rail Screw - Hex- Stainless SteelHex head replacement handguard retension screw for your HK416, MR556 forearm. ... The Upper Receiver Kit also has a Picatinny rail machined into the top of its upper receiver for mounting optics and mechanical sights. Part No. 81000584, UPC 642230262607 – MR556, Upper Receiver kit – includes bolt, buffer, buffer spring, rifle length M-LOK handguard and 16.5″ medium contour barrel assembly – MSRP $2,069 Features of Heckler & Koch Complete MR556 Upper Reciever. Complete MR556 Upper Receiver/Barrel Assembly HK 16.5 inch cold-hammer forged barrel, upper receiver with forward assist, extended convertible charging handle, HK Free Floating Rail System handguard. Complete MR556 Bolt Group Assembly. Tungsten Filled HK Proprietary Buffer.The German-born rifle is currently the service rifle for USMC Infantry and is known as the M27. The closest proximity to a clone correct model of the HK416 was the MR556 but, it had some key differences that the clone community wasn’t fans of. The new BRN-4 is compatible with HK416 parts and has the quad rail that is seen on the M27.Description. Additional Information. HK designed & manufactures in Germany 11" HK416, MR556 extended quad rail. This drop in unit offers 2 full inches in extra length. Not the standard 9" rail that comes with the HK 416/MR556 but an extended 11" rail that allows for a longer sight radius & more rail space. Also comes complete with the locking ...Greetings all. I'm looking for an 11" handguard (picatinny or m-lock; metal or polymer) that will work for an MR556A1 that has a 14.5" barrel... and has an inner diameter of at least 1.6" (4.06cm). The handguard will have to slide over a welded suppressor that has a diameter of 1.58" to allow access to the gas tube and barrel for cleaning ... Sale Price$52.95. UTG M-LOK Handguard Angled Index Mount Matte Black. Regular Price$39.99. Sale Price$24.97. The UTG PRO M-LOK® H&K MR556 15" Super Slim Free Float Handguard Rail forend is compatible with HK Slim Line Gas Block (MR556 Uppers). The Super Lightweight handguard has a 36 slot picatinny top rail for flush fitting and continuous wit. ….

Nov 19, 2022 ... Installed is a 10.4" 416R stainless steel (very accurate match grade) fully nitrated barrel with vented gas block, HK quad rail, HK ...Buy a HK 416MR556 Quad Rail for sale by Jays Guns and Accessories on GunsAmerica.com the best online marketplace for buying and selling semi auto pistols, firearms, accessories, and collectibles : 917860645Lightweight, rugged 6061 aluminum construction, mil-spec hard coat anodized. Cross bolt constructed of heat treated 4140 phosphate finished. 9 Inch Carbine weighs 9.9 oz with cross bolt (M-LOK? compatible rail adds .5 oz) 13.5 Inch Length weighs 14.0 oz with cross bolt (M-LOK? compatible rail adds .5 oz) Includes one M-LOK? compatible rail.Greetings all. I'm looking for an 11" handguard (picatinny or m-lock; metal or polymer) that will work for an MR556A1 that has a 14.5" barrel... and has an inner diameter of at least 1.6" (4.06cm). The handguard will have to slide over a welded suppressor that has a diameter of 1.58" to allow access to the gas tube and barrel for cleaning ...Details. Diamondback Firearms' DB15 rifle is made entirely in the USA. It uses a gas-impingement system and high quality CNC machined components. The DB15CC Rifle features a melonite coated, 4140 chrome-moly, free-float barrel. It also has a forged 7075 T6 aluminum lower along with an A3 flattop upper receiver, no sights, and a carbine …Is the MR556 11" quad rail ever coming back? Jump to Latest Follow 548 views ... New latest production HK 416A5, MR556 9" quad rail with integrated built in front flip up sight. Latest upgraded design with the laser markings for the adjustable gas block for suppressed and non-suppressed use, new attachement hardware, and flip up sight. This is the factory correct handguard now found on the latest HK model the HK416A5. Are you looking for an easy way to find out the train times for your National Rail Enquiries journey? With the help of the National Rail Enquiries website, you can quickly and easi... Mr556 quad rail, HK 416/MR556 Handguard Picatinny Quad Rail 9” length. Sold. Leave A Review bermise 5.00 star(s) ... Used but good condition black HK quad rail that I removed off a German 10.4” HK 416 complete upper receiver. The handguard is 9” in length. This is the factory handguard from HK. $175 shipped . Save Share. Like., HK MR556 Standard Factory Foregrip Rail Handguard MLOK $ 149 00. SKU: MR556SR-1 Categories: 416 417 G28 M110, ... HK 416C Style Short Quad Rail Foregrip Handguard Black, Allows the user to mount an optic and a light or laser while retaining the factory handguard. Patent-pending rock-solid design. Weight 3.3oz. Constructed of 6061 aluminum, hard coat anodized for a lifetime of service. 100% Made in the U.S.A., 922R Compliant. MI Lifetime Warranty. SCOPE MOUNT IS GAURANTEED TO FIT FACTORY H&K MP5, SP5, …, 12.7" Super Modular Rail MK7 - Black. $550.00. This product is made in limited quantities for High Power shooters. They are available during summer time to coincide with Camp Perry. Out of stock. View Details. Geissele Automatics has been known for manufacturing the finest quality AR-15 handguards and rails. Shop your ideal AR-15 super modular ... , HK 416, MR556 Quad Rail- Standard Length HK416 & MR556 quad rail complete that includes HK 416/MR556 Handguard Screw. This handguard can also be installed on the …, 12.7" Super Modular Rail MK7 - Black. $550.00. This product is made in limited quantities for High Power shooters. They are available during summer time to coincide with Camp Perry. Out of stock. View Details. Geissele Automatics has been known for manufacturing the finest quality AR-15 handguards and rails. Shop your ideal AR-15 super modular ... , Nov 19, 2022 ... Installed is a 10.4" 416R stainless steel (very accurate match grade) fully nitrated barrel with vented gas block, HK quad rail, HK ..., The Super Modular Rail (SMR) MK4 M-LOK™ is Geissele’s ultra-rugged M-LOK option. These rails are purpose-built and feature integrated M1913 picatinny rail sections at the fore of the rail in the 3, 6 and 9 o’clock positions. Maximum venting for heat dissipation also dramatically reduces the rail's overall weight, while maintaining its ..., HK 9" Quad Rail KAC 600M Rear / KAC M4 Front Trijicon TA31H-G with Trijicon RMR06 Type 2 LaRue LT799 Mount I also have the factory 9" HKey handguard. My MR556A1 is an "approximation" of the M27. My MR762A1 (CB date code ... lightweight barrel) Geissele SDMR Handguard (DDC) Troy Offset Front / Rear (FDE) Vortex Razor …, HK MR762, HK 417 Extended Picatinny Handguard Complete. New HK German manufacture.Each unit comes with both of the mounting screws. HK's extended 13" rail allows for longer sight radius and more rail space for your MR762 or HK417. The MR762 comes from the factory with a standard 9" rails so you gain an extra 4" with this upgraded extended rail., Omaha Outdoors has custom and factory in stock HK MR556 models for sale. ... HK MR556 Quad Rail. Price $379.00. 236204. Heckler and Koch (HK) ... HK MR556 9 Inch Rail ..., Allows the user to mount an optic and a light or laser while retaining the factory handguard. Patent-pending rock-solid design. Weight 3.3oz. Constructed of 6061 aluminum, hard coat anodized for a lifetime of service. 100% Made in the U.S.A., 922R Compliant. MI Lifetime Warranty. SCOPE MOUNT IS GAURANTEED TO FIT FACTORY H&K MP5, SP5, …, HKP-17657. UPC: $9.95. Quantity: Add to Wish List. Description. Additional Information. HK416, MR556 Replacement Handguard Rail Screw - Hex- Stainless Steel Hex head replacement handguard retension screw for your HK416, MR556 forearm. Made in the USA from 17-4 SS with a 5mm hex head for ease and use when installing and taking off the forearm., Rail Size. Weapon Platform. Color. Rail Type. 52 Items. Show. Sort By. 9.3" Super Modular Rail MK16 M-LOK® - OD Green. $350.00. In stock. View Details. 9.3" Super Modular …, For the new series of Heckler and Koch semi-automatic MR rifles, HK designers and engineers believe best accuracy comes with an unlined bore.”. The MR556A1 features a 16.5” barrel with a 1x7 barrel twist that’s free floated and covered by a removable quad rail. Housed inside the quad rail is the system’s gas piston and push rod., HK416 Quad Rail Handguard 11 Inch HK416 Quad Rail Handguard 11 Inch. Product #: 134384 Condition: Factory New MPN: 50233617 UPC: 642230247635 MFG: Heckler and Koch (HK ... Maxim Defense HK 416 / MR556 M-Slot Handgu ... $395.00. BCM KMR Alpha 17. $221.95. Noveske NSR 13.5. $277.63. F1 Firearms C7K Handguard 14.75 Inch. …, Switzerland is renowned for its breathtaking landscapes, pristine lakes, and picturesque mountains. There’s no better way to experience the beauty of this country than by embarking..., Heckler & Koch MR556 Quad Rail Handguard (1) Currently Unavailable. ... Manta Defense Rails M27 AR Kit Currently Unavailable. Advanced Armament Corporation Complete Upper .300 Blackout 16 Inch Barrel 51-Tooth Blackout Flash Suppressor 5/8-24 TPI Threads 101716 Currently Unavailable., MR556 5.56mm 30rd magazine (steel) 59: 233609S: 642230245334: MR556 5.56mm 20rd magazine (steel) 69: 235642S: 642230246492: MR556 5.56mm 10rd magazine (steel) 69: 236204: 642230247642: MR556 9" quad rail handguard: 379: 50233617: 642230247635: HK416 11' handguard: 416: 51000223: 642230262157: MR556 9" M-LOK handguard, black: 289: 51001100: ..., HK 416 A3 Extended Forearm With Integrated Flip Up Front Sight: HK designed & manufactured in Germany 11" HK416 A5, MR556 extended quad rail. This drop in unit offers 2 full inches in extra length. Not the standard 9" rail that comes with the HK..., HK MR556 & HK416 DMR Length 15" Quad Rail - Extended HKP-18018 Out Of Stock. Quick view. HKP HK MR556/416 DMR Extended 15" M-LOK Handguard - Black. HKP HK Parts ... HK416, MR556 Replacement Handguard Rail Screw - Hex- Stainless SteelHex head replacement handguard retension screw for your HK416, MR556 forearm. ..., New latest production HK 416A5, MR556 9" quad rail with integrated built in front flip up sight. Latest upgraded design with the laser markings for the adjustable gas block for suppressed and non-suppressed use, new attachement hardware, and flip up sight. This is the factory correct handguard now found on the latest HK model the HK416A5. , HK MR556 416 HK416 Conversions / 416A5 / 416A7 / 416D / 416C HK416 A5 Anodizing / Laser Engraving ... 416 416D length quad rail handguard; RAL8000/Tan models: ..., The Super Modular Rail HK416 MK15 MLOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK barrel nut, but incorporates the strength, rigidity and modularity expected of a Geissele product. Made from 6061-T6 aluminum and finished in type 3 hardcoat anodize, the SMR HK416 MK15 ..., Frankly, any weight you can take off the front end of a MR556/HK416 is welcome, and the SI SLICK Handguard Rail should assist with that. It also looks good on the gun. The following SLICK information comes directly from the Strike Industries website: “SLICK Handguard for HK416 MR556 Walther HK416 D145RS SKU#: SI SLICK Availability: In stock ..., Feb 2, 2015 ... Without question the HK416 is the gas piston M4 variant that all others are measured against - it is the most successful and the most proven ..., The Super Modular Rail HK416 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK barrel nut, but incorporates the strength, rigidity …, Unboxing my HK MR556 quad-rail I ordered from Optics Planet.Link to order one: https://www.opticsplanet.com/heckler-koch-mr556-quad-rail-handguard-236204.html, Login. HK 417 MR762 Black Quad Rail Foregrip 13″. $59900. SKU: BLKQRFG13-1Categories: 416 417 G28 M110, Services HK G28 M110A1 417Tags: 417, MR762Product ID: 5957. Brand new HK factory original, 417/MR762, 13″ black anodized quad rail foregrip. Fits 417/MR762., The older 556 used a quad rail identical to what had shipped on many 416 models (up to the A3). The current 416 A5 has a FDE quad rail with an integrated folding front sight. The barrels and gas blocks are different. MR556 barrels are profiled differently (heavier) and not chrome lined. MR556 gas blocks are not vented and none have sling loops., HK MR556 Quad Rail QD Sling Mount. Hi guys Do you have any idea how to mount QD Sling Mount on quad rail except of using Picatinny? I thought it has regular mlok slots, but it’s too narrow. ... Blue Force Gear Rail Mounted Fixed Loop + Quick Release Kit Reply, The Geissele 10.5" SMR is pretty much identical in weight without any rail sections attached to the factory HK quad rail. Of course, it comes with built in QD sling mounts and is about .75" longer, but ultimately, it's not significantly lighter than the factory quad rail. The RAHG is similar in weight as well., Personally I prefer the original HK quad rail - I find myself re-positioning a bipod or fore grip more often than anything. Side rails with covers are fine by me but I have large hands. My 2 cents. Second favorite is the Remington Defense - need to add rails where you want them. Since no longer in production I suppose not fair to mention.