Novus Optics Micro Red Dot Sight MDS-I G36 Double Mag Pouch you can choose a shorter/longer

you can choose a shorter/longer barrel depends on your purpose  If this one is not suitable for you

Compatible with most rifle and pistols magazine

Real steel dimensions means it's easier to bolt on real parts for greater customization

the M110A1 from VFC

- Body is made of polymer and metal

Novus Optics Micro Red Dot Sight MDS-I G36 Double Mag Pouch you can choose a shorter/longerNovus Optics Micro Red Dot Sight MDS I Hardcoat anodizing type III Nitrogen filled Auto sleep mode Auto awake Auto off Low battery alarm NVD compatible 1000G shock proof IPX8 water rroof 36000 hours battery lifeOpticalLight Source: LEDReticle: 2 MOA dot RedObjective Lens: 21 mmMagnification: 1XParallax Setting: 2MOA at 30 ydEye Relief: UnlimitedFog Proof: YesLens Coating: Anti reflective, Anti fog, Scratch resistantMounting StylePicatinnyAimpoint