King Arms Limited Edition Skull Frog Lower Receiver with 8mm Gearbox Front Wired (363mm)

King Arms / Eagle Force54087
Evike.com
4.5 stars, based on 2 reviews

$99.00 $75.00

ID: 54087 (GB-KA-363)
This gun has a muzzle velocity rating (FPS) between 366 and 500, and is compliant for export to Canada.
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2 Customer Reviews

by Nick L. on 06/10/2016
"I picked up a pair of these for parts. Just tore one down. My thoughts:

The meh:

Internals are plain old basic parts (nothing "upgraded" really). Basic plastic spring guide, basic air nozzle no o ring. Basic plastic piston 1 steel tooth. Basic plastic piston head no bearings. Basic plastic/brass cylinder head. Gears are basic oem gears, not the better shs oem gears that some KA rifles come with. Does come with a tappet cam piece on sector gear. 7mm bearings, not 8mm as the product info states. Basic wiring.

The good:

The body is your typical KA body. Nothing really wrong with it. The gearbox shell is a bit different than other KA shells I've had pass through my hands. No extra material inside that needs to be carved away for 12:1-13:1 gear clearance. Bottom of shell has window for AR latch tripping. Trigger sits in the shell very nicely. No flopping/falling out. Pistol grip has brass inserts for screws on motor plate. Pretty high tpa motor for dropping the arm in a neo can for a very good torque motor (frankentorque)

Priced reasonably for a good lower receiver, nice shell, and motor armature. The internals are no better than your generic basic acm m4
by Beth Dean M. on 12/29/2015
"I got this a few months ago to complete my dmr build. Very sturdy and seams like it will last.
Only problem is, when I first got it, it had trigger issues. It would shoot but when you pulled it to hard it will pop and stop shooting. After a wile this seams to have gone away. This fits perfectly with the King Arms upper receiver also with navy seal trade marks. It works great with a 535mm angel custom 6.01, and a prowin hop up.

Pros.
full metal
solid/sturdy
good motor with nice rof
lipo ready
high fps (Can be a con if you play indoors)
AWESOME SEAL trade marks.

Cons.
trigger issue
some mags don't fit (easy fix}
Fire selector switch is a little loose (can be a pro)
Dust cover doesn't stay closed, and it broke after a few months. (it broke on the clip that keeps it in place)
Pistol grip is sharp in a place, but can easily be sanded down

Over all I give it a 4.4 and would recommend it to anyone.
King Arms Limited Edition Skull Frog Lower Receiver with 8mm Gearbox Front Wired (363mm)

King Arms Limited Edition Skull Frog Lower Receiver with 8mm Gearbox Front Wired (300mm)

A perfect base for any field gun build, the King Arms Limited Edition complete lower offers an easy solution to building up your own custom gun. The lower comes with one of King Arms time tested 8mm LiPo ready gearboxes, which provides 400 - 420 feet per second (depending on barrel length). To top off the high quality build of this lower, it comes with laser engraved Skull Frog trademarks, to give it an aggressive look.

This gearbox is for use with 363mm+ inner barrel lengths

Features:

  • LiPo ready
  • 8mm pre-upgraded gearbox
  • Front wired
Length: 200mm
Weight: 2.68 lbs
Magazine Compatibility:Works with Matrix, G&G, Tokyo Marui and other compatible M4 / M16 Series Airsoft AEG Magazines
Muzzle Velocity:400~420 FPS (Measured with 0.20g BBs)
Gearbox: Ver 2 Full Metal, Fully Upgradeable
Motor: Long Type
Fire Modes: Semi/Full-Auto, Safety

Manufacturer:King Arms

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