MBAR: Masterdude Bullpup Assault Rifle
by Masterdude in Living > LEGO & K'NEX
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MBAR: Masterdude Bullpup Assault Rifle
This is a true semi-auto, bullpup rifle that I've made. It uses the same basic concept as my MARs but is bullpup and therefor is stronger but shorter. I also believe this to be the first bullpup semi-auto gun on Instructables.
Pros:
-Bullpup
-Comfortable grip
-Carry handle
-Semi-auto (you choose you ROF)
-Removable mag
-Good power
-Good range
-Trigger guard
-OK looks
-Well balanced weight (makes one-handed shooting easier)
Cons:
-Can be hard to load at first (but gets easy after some practice)
-Uses quite a lot of parts
-Can be hard to attach mag to gun
-Doesn't have a safety like the MARs do
More Instructables by me.
Note: The first image shows the MBAR with an optional vertical grip.
Pros:
-Bullpup
-Comfortable grip
-Carry handle
-Semi-auto (you choose you ROF)
-Removable mag
-Good power
-Good range
-Trigger guard
-OK looks
-Well balanced weight (makes one-handed shooting easier)
Cons:
-Can be hard to load at first (but gets easy after some practice)
-Uses quite a lot of parts
-Can be hard to attach mag to gun
-Doesn't have a safety like the MARs do
More Instructables by me.
Note: The first image shows the MBAR with an optional vertical grip.
Barrel: Making the Components
Make the following:
Picture 1: Make 3.
Picture 2: Make 2.
Picture 3: Make 14.
Picture 4: Make 14.
Picture 5: Make 14.
Picture 1: Make 3.
Picture 2: Make 2.
Picture 3: Make 14.
Picture 4: Make 14.
Picture 5: Make 14.
Barrel: Construction
Follow the images:
Picture 1: Place blue rods as shown.
Picture 2: Place three of the earlier made parts as shown.
Picture 3: Cover as shown.
Picture 4: Add four gray rods the the piece as shown.
Picture 5: Place the earlier made parts as shown.
Picture 6: Now add another piece like the first.
Picture 7: Again add the earlier constructed pieces but with their places switched.
Picture 8: When finished it should look like this.
Picture 9: Attach the two parts you've made so it looks like this.
Picture 1: Place blue rods as shown.
Picture 2: Place three of the earlier made parts as shown.
Picture 3: Cover as shown.
Picture 4: Add four gray rods the the piece as shown.
Picture 5: Place the earlier made parts as shown.
Picture 6: Now add another piece like the first.
Picture 7: Again add the earlier constructed pieces but with their places switched.
Picture 8: When finished it should look like this.
Picture 9: Attach the two parts you've made so it looks like this.
Trigger/Ammo-Feed/Stock: Making the Components
Make the following. Due to the large amount of parts each part will be assigned a letter:
Picture 1: Make 1. (Part A)
Picture 2: Make 1. (Part B)
Picture 3: Make 1. (Part C)
Picture 4: Make 1. (Part D)
Picture 5: Make 2. (Part E)
Picture 6: Make 1. (Part F)
Picture 7: Make 1. (Part G)
Picture 8: Make 1. (Part H)
Picture 9: Make 1. (Part I)
Picture 10: Make 1. (Part J)
Picture 11: Make 1. (Part K)
Picture 12: Make 1. (Part L)
Picture 13: Make 1. (Part M)
Picture 1: Make 1. (Part A)
Picture 2: Make 1. (Part B)
Picture 3: Make 1. (Part C)
Picture 4: Make 1. (Part D)
Picture 5: Make 2. (Part E)
Picture 6: Make 1. (Part F)
Picture 7: Make 1. (Part G)
Picture 8: Make 1. (Part H)
Picture 9: Make 1. (Part I)
Picture 10: Make 1. (Part J)
Picture 11: Make 1. (Part K)
Picture 12: Make 1. (Part L)
Picture 13: Make 1. (Part M)
Trigger/Ammo-Feed/Stock: Construction
Follow the images:
Picture 1: Place white and blue rods on part A.
Picture 2: Add part B and blue and white rods.
Picture 3: Add parts C and E, and add white rods and tan clips.
Picture 4: Add parts D, F, H, I, J, K, and then add blue spacers and a green connector.
Picture 5: Add parts E and G, and add tan clips and blue spacers.
Picture 6: Add part L.
Picture 7: Add part M and a blue rod.
Picture 8: Add tan clips.
Picture 9: Add a gray connector, metallic blue clip, and place a white rod as shown.
Picture 1: Place white and blue rods on part A.
Picture 2: Add part B and blue and white rods.
Picture 3: Add parts C and E, and add white rods and tan clips.
Picture 4: Add parts D, F, H, I, J, K, and then add blue spacers and a green connector.
Picture 5: Add parts E and G, and add tan clips and blue spacers.
Picture 6: Add part L.
Picture 7: Add part M and a blue rod.
Picture 8: Add tan clips.
Picture 9: Add a gray connector, metallic blue clip, and place a white rod as shown.
Carry Handle: Construction
Follow the images:
Picture 1: Make this and put aside.
Picture 2: Make these.
Picture 3: Add gray connectors as shown.
Picture 4: Add light gray connectors.
Picture 5: Make 2 of these.
Picture 6: Place them as shown.
Pictures 7-8: Join the 2 components together as shown.
Picture 9: Attach to the gun as shown.
Pictures 10-11: Attached to gun.
Picture 1: Make this and put aside.
Picture 2: Make these.
Picture 3: Add gray connectors as shown.
Picture 4: Add light gray connectors.
Picture 5: Make 2 of these.
Picture 6: Place them as shown.
Pictures 7-8: Join the 2 components together as shown.
Picture 9: Attach to the gun as shown.
Pictures 10-11: Attached to gun.
Magazine: Making the Components
Make the following:
Picture 1: Make 2.
Picture 2: Make 2.
Picture 3: Make 1.
Picture 4: Make 1.
Picture 1: Make 2.
Picture 2: Make 2.
Picture 3: Make 1.
Picture 4: Make 1.
Magazine: Construction
Follow the images:
Picture 1: Add white rods.
Picture 2: Add the two earlier made parts.
Picture 3: Cover with the other part.
Picture 4: Finished mag with ammo, ammo pusher, and pin in place.
Picture 1: Add white rods.
Picture 2: Add the two earlier made parts.
Picture 3: Cover with the other part.
Picture 4: Finished mag with ammo, ammo pusher, and pin in place.
Assembly of the Rifle
Attach the barrel to the rest of the gun so it looks like in the images.
Loading and Firing
To load remove the mag and place the pin in the appropriate area. Now place the ammo in the mag. insert the mag into the ammo feed. Next push the white rods in the ammo feed area out to the sides. Hook the rubber bands on the end of the barrel and the trigger spoke. Make sure the rubber bands are on both sides of the ammo. Once all the rubber bands are hooked push the white rods back into the center. Remove the pin. Pull the trigger to fire (in case you didn't figure that out).
Image 1: Ammo.
Image 2: Magazine with ammo.
Image 3: Rubber band hooked on barrel.
Image 4: View of ammo feed when loaded.
Image 5: View of spoke in back when loaded.
Image 6: View of gun with mag.
Warning- This may cause harm or injury if misused. Do not point it at people. I am not responsible for damage, injury, or death caused by this instructable.
Image 1: Ammo.
Image 2: Magazine with ammo.
Image 3: Rubber band hooked on barrel.
Image 4: View of ammo feed when loaded.
Image 5: View of spoke in back when loaded.
Image 6: View of gun with mag.
Warning- This may cause harm or injury if misused. Do not point it at people. I am not responsible for damage, injury, or death caused by this instructable.
Optional Additions
You can add a vertical grip as show in image 1. You shouldn't need an instructable to make it.
You can also add my under-barrel grenade launcher.
You can also add my under-barrel grenade launcher.