JM Gen8 Gearbox — Full Nylon Replacement for JinMing M4A1, SCAR, UMP45 & More
SKU: 71880328709

JM Gen8 Gearbox — Full Nylon Replacement for JinMing M4A1, SCAR, UMP45 & More

Sale price$23.36 Regular price$25.95
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

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Description

JM Gen8 Gearbox — Full Nylon Replacement for JinMing M4A1, SCAR, UMP45 & MoreThis is the famous Jinming Gen 8 Gearbox, it's full nylon made, reliable and durable. This is superior to the old one with metal bushings and nylon gears. But most importantly a harden nylon shell. Compatible with JinMing SCAR JM Gen8 M4a1 HLF UMP45 JM MP5 JM Gen13 XM316 blg m16 ZH m249 and other gel blasters using gen8 gearbox. Features: Full Nylon Construction Hardened nylon shell, gears, trigger, T piece and motor housing for superior durability

This is the famous Jinming Gen 8 Gearbox, it's full nylon made, reliable and durable. This is superior to the old one with metal bushings and nylon gears. But most importantly a harden nylon shell.

Compatible with JinMing SCAR  / JM Gen8 M4a1 / HLF UMP45 / JM MP5 / JM Gen13 / XM316 / blg m16 / ZH m249 and other gel blasters using gen8 gearbox.

Features:

• Full Nylon Construction — Hardened nylon shell, gears, trigger, 
  T-piece and motor housing for superior durability over stock parts

• Upgraded Over OEM — Metal bushings replaced with reinforced nylon 
  for smoother operation and reduced wear under sustained fire.

• Powerful 460 Motor Included — No sourcing extra parts; ready to 
  install and run straight out of the box.

• Two Fire Mode Options — Choose Original (full auto) or New 
  (semi/full auto) to match your play style and blaster setup.

• Broad Gen8 Platform Compatibility — Fits JM M4A1, SCAR, UMP45, 
  MP5, Gen13, XM316, BLG M16, ZH M249 and more.

• Drop-In Replacement — Designed to fit existing Gen8 housings with 
  no modification required.

• Extend Your Blaster's Life — Rebuild instead of replace; keep your 
  favourite platform running at peak performance.

Specifications:

Brand: jin ming.

Material: nylon constuction with nylon gears.

Fire mode: full automatic (old),  semi/full auto (new).

Color: black.

Motor type: 460.

Plug type: sm.

Package includes: 1x jm gen8 gearbox.

Gen8 Gearbox Disassembly Videos:

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 71880328709

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Jennifer J Sinquefield
Cuba, US
★★★★★ 5
Cozy, Soft, and Perfect for Everyday Comfort!
Size: Throw (50"W x 60"L), Color: White, Size: Throw (50"W x 60"L), Color: White
I absolutely love this throw blanket! From the moment I took it out of the package, I could tell how soft and well-made it was. It’s incredibly cozy without being too heavy, making it perfect for relaxing on the couch, watching TV, or adding an extra layer of warmth to the bed. The material feels high quality and has held up really well after washing—no shedding or fading. It keeps me warm without overheating, which is exactly what I was looking for. I also love how it adds a nice touch to my daughter’s room. The color is beautiful and looks exactly like the pictures, making it both functional and decorative. Overall, this throw blanket is a great value for the price. Comfortable, stylish, and durable—I would definitely recommend it and plan to buy more!
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Reviewed in the United States on February 15, 2026
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John
Belleville, US
★★★★★ 5
Incredibly Soft and Cozy
Size: Throw (50"W x 60"L), Color: Sage Green, Size: Throw (50"W x 60"L), Color: Sage Green
This blanket is unbelievably soft and fluffy — one of the softest throws I’ve bought from Amazon. It feels very cozy and keeps you surprisingly warm without being overly heavy. Perfect for curling up on the couch or adding extra comfort to a bed. My only small issue was the color. The “sage green” looked much more like a cream or very light neutral in person, so I’m not sure if I received the wrong color. I ended up keeping it anyway because the softness and quality were so good.
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Reviewed in the United States on May 12, 2026
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Amazon Customer
Chelsea, US
★★★★★ 5
Awesome throw, great quality.
Size: Throw (50"W x 60"L), Color: Purple
Color is the perfect purple! Softest fur, just love it so much, so hard to find colorful throws that don’t look cheap. Price on this is great. It looks expensive, love it!
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Reviewed in the United States on May 8, 2026
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Annette
Charlottesville, US
★★★★★ 5
Soft and pretty
Size: Throw (50"W x 60"L), Color: Pink
So soft and a beautiful color pink. My granddaughter loves it. Great value and is nice and thick. Great quality. Would buy in many other colors
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Reviewed in the United States on March 16, 2026
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Laika G
Los Angeles, US
★★★★★ 5
Luxury throw
Size: Throw (50"W x 60"L), Color: White
This is top quality very luxurious and soft. It does not shed and is thick. It is definitely a great value for the price.
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Reviewed in the United States on May 22, 2026

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