Attachments for your rifle

Once you have your rifle such as the M4 ST6 or any other rifle you will need the little parts that many players over look until it is too late and they are on the field.

echo1usa parts shop

The parts in question are the mounts for slings since you will in the field for hours and holding the rifle will take a toll on you. There are many options and reasons on what you should get and why and we will cover them.

M4 RIS sling loop

The Echo1 Sling Mount Loop is a small loop that is contructed out of metal and provides a secure point for a front sling if you were using a two point sling. Using a standard allen key to lock it on the rail it will be small and out of the way when not in use.

M4 RIS sling loop

The next option for a rail attachment would be the slightly larger Echo1 Sling Belt Mount which allows for the use of the sling fabric to be looped through for a more semi permanent attachment. This setup gives a more stealthy option since the there will not be a metal on metal attachment like the previous mount. Some slings offer a secondary loop as shown.

offset flash light mount

With the use of a sling you are able to add more accessories to your rifle such as a light. The Echo1 Offset Light Mount is able to secure most tactical lights on the market. The inner diameter is one 1 inch and with the textured lining inside the metal mount your light will secure. With the thumb screw and locking port you are able to lock this mount onto your rifle and know it will be there in the morning.

M4 body pins

Another small part that you might need later on will be the M4 Locking Body Pins. These pins replace the original pins which are a friction fit. The locking pins are made out of steel and use a threaded screw to lock together. Coming in a two pack and will work great for the ST6 and just about all other M4′s in case your friends need one.

M4 QD sling mount

Using a single point or one point sling is a more tactical option and with the QD Dual Sling Swivel you can do that. The mount will replace the original plate and be locked in place with the buffer tube as you can see. There is the left and right option for the attachment of a sling depending on the shooters preference. The QD Dual Sling Swivel will come with the QD sling loop as shown. With this part and the QD loop you can use to attach to the mount on the crane stock if you choose to do so as well or other mounts on other rifles.

Echo1 M4 stock pad

The stock has a few removable parts that might get misplaced but no worries since we have them in case that happens. The Stock Knobs are used in the front of the stock to secure the spare batteries and rotate open once the stock is removed from the buffer tube. The Stock Butt Pad is also available and will fit the ST6, STAG, XCR and ER25K series rifles from Echo1USA.

Echo1USA Airsoft

Once you have your battle rifle all figured out with these little parts you will be set and able to focus on the game that is coming and give it your all.

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Written by Brian Holt

The Polymer XCR series

The Polymer XCR series
Echo1USA XCR airsoft gun

The Robinson Armament XCR series are an interesting and truly innovative rifle design in the firearm world and we as Echo1USA has brought the details of the rifles into the world of Airsoft.

Echo1 XCR airsoft

The XCR series are available in both Black and Tan and three different lengths to accommodate all styles of players. There is the Long, CQB and Pistol version of the Polymer XCR series.

Echo1 Airsoft XCR review

The XCR rifles will stand out above the M4 series in the way the upper receiver is a monolithic design. With the one piece solid upper receiver it makes it a much more stable platform for precision shooting and less parts to tighten over time like a delta ring on a M4. Being that this is an Airsoft rifle you still have all the options to install your favorite tight bore barrel if you desire. With the flat top rail on the XCR’s you can mount any type of iron sight or optic and still have room for a PEQ box.

Echo1USA airsoft XCR

The XCR Long and CQB rifles will come with a vertical foregrip that has a built in storage compartment that can be used for CR123 batteries or any small tools you might need on the field for your optic. Looking at the XCR you will see the different parts on it and the familiar parts like you will find on a M4. The XCR is similar to a M4 for the fire control and magazine release along with the pistol grip. The new parts would be side charging handle similar to an AK47 but on the left side and the monolithic upper and removable barrel set like you would find in a Masada. The XCR is a mix of all the great rifles in one great package.

Echo1USA xcr airsoft

The XCR’s are almost the same but the XCR Pistol being the latest release changes things up a little. The XCR’s all have a rear sling loop. The Long and CQB version have a single sling loop built into the metal buffer tube adapter. The Pistol will have a metal receiver base and a sling swivel for a better one point application in the field. The XCR’s do have interchangeable parts so you can swap the uppers, lowers and stock adapters if you bought another XCR.

Echo1 XCR hop up unit

The hop up for the XCR is a regular M4 one piece hop up unit and to access it you just simply pull back on the large charging handle to slide back the fake bolt to gain access. The bolt does not lock open but with the large hop up adjustment wheel you can adjust and hold the bolt back with one hand while keeping your fire hand on the grip for proper weapon usage.

Echo1 XCR v2 gearbox

The XCR series use the standard Version 2 or M4/M16 type gearbox and parts making it great for upgrades and giving you more options. The one piece M4 hop up with the large spring is pressed against the gearbox to help absorb the shock from the piston striking and to ensure the great airseal for the nozzle and bucking. This combined with the MadBull bucking gives the XCR a better FPS and grouping. For more info on the XCR check out the complete takedown on the Echo1 Tech Support Channel.

This is a great video to show you all the parts for the XCR and on the same channel all the other rifles are covered as well. Make sure you are subscribed to the Echo1 Tech Support Channel too!

Echo1 XCR polarstar

Now that you bought your new XCR and used it a lot and want to spice things up a bit at the local field you have many options on what you can do with it. A simple upgrade will be a Lipo #1 to boost the ROF or you can add some other gearbox parts. A complete gearbox swap to the Modify Torus Speed set would be one option. With the Modify Torus gearbox it will be a simple drop in and good to go. Say if you wanted to go the HPA route you can use the PolarStar JACK for the M4 and you will be set. The XCR series is able to do anything you need it to on the Airsoft field.

Want to see the XCR chambered in 5.56 at the range used by Brian? Check out the video below and you can see the XCR in action.

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Written by Brian Holt

The RedStar AKM

Echo1 USA AK

Wanting to get into the ‘AK game” but not sure to what to get since there are so many to choose from. Well the RedStar AK series will be your top pick from the price to performance makes them stand above the rest. The RedStar AKM is the rifle we will check out. In the low two hundred dollar range it is very affordable but it is actually costing much more if you built one up to match this from another AK. The steel body and real wood give the RedStar AKM a great look and finish.

ECHO1 AK Airsoft
(The best Airsoft AK

The RedStar AKM comes with a metal AK hop up unit. Many times the hop up unit is over looked but for an AK it is very important. Due to the seating of the AK magazine the extension tube of a plastic hop up unit can be broken or damaged making the AK inoperable. With the RedStar AKM and the use of the metal hop up unit that is bolted into the barrel and surrounded by a steel body the magazine will lock into place and have a secure and flawless feed for normal use or even high speed upgrades.

Echo1 lipo Airsoft

Speaking of high speed the RedStar AKM and other RedStar series are able to use the Echo1 Lipo’s. As shown in the picture above the Lipo #2 which is a brick type is able to fit inside the wood stock as a snug fit that is secured by the steel stock plate and screws. When on the run with the AKM you should use your sling since there is a front and rear sling mount on the rifle.

Echo1 AK Airsoft gears

Steel on the outside and on the inside for the RedStar series. The AKM uses a high torque short motor along with the steel gears. The motor will give you a fast and crisp trigger response and the gears will not let you down. To keep the gears sitting perfect in the gearbox they are shimmed and held in place by 7mm steel ball bearings that decrease friction and increase the rate of fire and battery life.

Echo1 airsoft ak gearbox

The RedStar AKM is built very tough inside and out from the real wood and steel body and parts to the metal and steel parts for the internals making it an upgraded AK out of the box and ready for you on the field. The AKM will have great range from the brass inner barrel that is using the MadBull orange bucking for an improved air seal and then the metal hop up unit as mentioned before to keep it all rock solid while shooting. The gearbox is a version 3 type giving you thousands of other upgrade options if you choose to do so.

Echo1 redstar AKM airsoft

Overall the RedStar AKM is a great rifle for you if you wanted to get into the world of AK’s for airsoft being that it is built very solid from the wood and steel parts on the outside and you don’t have to upgrade the AKM when you get since it is already done for you. Check out our website for the other RedStar AK’s and if you are looking for a CQB AK check out the CPM vs BOLT blog.

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Written by Brian Holt

M14 Combat Master Inside the Gearbox

The Echo1 M14 Combat Master is one of the more popular DMR rifles in our line up. Recently we covered the M14 series in a M14 blog and we were flooded with emails about the M14 Combat Master and more info on it so we answered your questions. Brian has gone through the entire rifle from the outside to the inside and putting it all back together again to help you through the steps if you want to upgrade or take apart your Combat Master M14 yourself.

Check out the video above to get the info you need but there are some side track videos on just the M14 Hop Up Unit and the M14 Gearbox Assembly to keep the video a little shorter so make sure you check those out as well.

Echo1 M14 Combat Master gearbox

As pointed out in the video it is very hard to release the Anti Reversal latch like you would for a regular V2/ M4 gearbox to reduce spring tension and better keep the parts in place. the parts will jump out of place but with the video will help you put everything back in place.

Modify V7 anti reversal latch

Brian pointed out how the Modify V7 Anti Reversal Latch would be the best part to install and use if you are going to be working on your rifle and want to keep your gearbox neater. Notice the slot on the top of the axle? The slot is for a flat head screw driver to allow you to twist the latch away from the bevel gear stops from the outside of the gearbox. All the Modify Anti Reversal Latches have this feature.

Echo1 M14 Combat Master gearbox

The M14 Combat Master, SOC16 and traditional M14 all use the Version 7 type gearset which is a smaller Spur gear as shown at 13:15. You will have to keep this in mind when buying upgrade gears which are mostly torque up styles to take advantage of the DMR or sniper roles the M14′s can do on the field.

Echo1 M14 gearbox video

The right side of the M14 gearbox will have the selector switch and safety parts and several other small parts that are shown in the Gearbox Assembly video.

Echo1 M14 gearbox video

The left side the M14 Gearbox will be more time consuming and have more parts. The cut off lever and trigger contact springs will be very tricky to install without them flying across the room so make sure you take your time. All the parts will be able to freely move and slide when assembled before you install and screw on the cover plate. Make sure the four screws for the cover plate are in the correct placement as shown in the video here 31:25

Now that you have the gearbox assembled and ready to go you can finish putting the M14 Combat Master back together in the video that picks up here 29:25. Just remember to take your time and make sure everything fits together nice and easy and nothing will have to be forced or made to fit. With the correct tools and parts you can do just about anything with your M14 Combat Master.

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Written by Brian Holt

The RedStar CPM vs. BOLT

Time to hit the CQB field and you need a solid AK that constructed out of metal and is compact and ready for anything you will encounter. That will be a tough choice between the RedStar BOLT and CPM being that they both are great for the CQB environment but have different styles depending on what you want. Let us take a closer look at them both and let you decide what is best.

ECHO1 Redstar AK

As you look over the two models you will notice they are just about the same overall size and length making them great choices but the finer details is where they stand apart. The RedStar BOLT will be the more modernized version with the RIS and Crane stock while the RedStar CPM is more of the classic and simple but not out done version.

The best airsoft AK

Depending on what you need in the field will decide if you need a RIS or rail system on the front of your compact RedStar AK. With the rail system you have the option for more accessories such as vertical grip, flash lights and even a micro optic if you like but that will add up in weight and more things to get caught while running through the CQB field. Looking at the simple RedStar CPM and the lack of rails you will have a contoured hand guard which gives you a sturdy point to grip and less parts to get in the way. The CPM does have the option to have aftermarket rail kits mounted if you change your mind.

Tactical airsoft ak

Now the RedStar BOLT and CPM stand out when you compare the stocks. The CPM uses a traditional side folding metal stock that can lock in the open or folded position. With the CPM and the folded stock it basically cuts the length of the rifle in half making it ideal for CQB or even vehicle use. But with the folded stock you will block the use of the optic mount but the trade of is a front and rear sling point. On the other hand you have the RedStar BOLT and it uses a modern M4 Crane stock design to give the user a more stable shooting platform. The buffer tube in non-folding so it might get in the way if you are in a vehicle but practice and you can do anything. The buffer tube is milspec so you can install a MagPul stock if you like.

Airsoft AK hop up

The hop up units are both the traditional AK style hop ups but in this match the RedStar BOLT will win with the included metal hop up. Both are using the MadBull 60 degree bucking so that makes them great for accuracy and FPS.

Airsoft AK batteries

Both RedStar models use the hinge type dust cover for the battery storage. They both come with a AK type stick battery which is good to get started but if you need more fire power you can use the Echo1 Lipo #1 or buffer tube style battery. It will fit as long as you gently close the top cover and have it positioned to the back a little more.

echo1 ak parts

Once you have your new RedStar BOLT or CPM you can get some upgrade parts if you like. Being that they are using a Version 3 gearbox you can use the Echo1 High Speed 16:1 sets and a Modify Ultra Piston or any other parts you like. Wanting to use midcaps? The AK Dogs of War metal midcaps fit and work great and combined with the CPM CQB comp and Lipo #1 you will be set for the game.

Check out an upgrade video from BRIANatECHO1 and what he did with his BOLT to make it a High Speed and loud little AK for the local CQB field.

Here is the Gameplay video of the RedStar BOLT in action at the local indoor field. The setup makes it great for up close shooting.

After you have looked at both compact RedStar AK’s you should have a better guess on which one you need to get next for your CQB games.

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Written by Brian Holt

Limited Time Offer for FREE BBs

echo shop sale

For a limited time offer any orders $50 and above before shipping will receive a FREE 500 count bottle of .25 BBs. This is a great added value to your next purchase if it happens to be a few magazines or a new rifle. The BBs will not come with a hidden cost or extra shipping but just as a “thank you” on your next order. While supplies last for the BBs so check out the Echo1 Parts Shop today and start shopping.

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Written by Brian Holt