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G&P 39rd Magazine for G&P King Arms WA M4 Airsoft GBB Blowback Rifles (Color: Black)

ID: 33344 (MAG-GP-WP159B)
3.8 stars, based on 16 reviews
G&P 39rd Magazine for G&P King Arms WA M4 Airsoft GBB Blowback Rifles (Color: Black)
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MAP ProtectedExempt From Coupons
The manufacturer of this product enforces a strict minimum advertised price (MAP) policy which excludes this product from any additional discount coupon codes. This item, however, may qualify for free shipping.
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Designed specifically for the G&P WOC gas blowback series of rifles; this is one of the best magazines available as far as fit, finish, and performance for that particular series of rifles.


  • Heavy duty metal construction
  • Realistic weight magazine
  • Reinforced internals
  • Ergonomic easy to grip design helps you get a good positive grip on the magazine for quick reloads
  • Removable floor plate for optional magazine assist accessories
Magazine capacity: 39rds
Compatibility: For WA / G&P WOC and other compatible gas blowback series of rifles

About G&P

G&P is among the oldest Military-simulation and training Airsoft manufacturers in the world. Started as a top combat light provider for law enforcement and military agencies around the world, G&P branched into Airsoft manufacturing with the same belief to never sacrifice quality for lower price. Their motto is visible on every G&P product. Every G&P AEG rifle is hand assembled and individually fine-tuned by top technicians in the industry to match G&P's unparalleled quality and reputation. G&P utilizes CNC precision machining and real-steel finish/coating processes on many of their products.

16 Customer Reviews

(Write a review)

by Cheng Z. on 08/14/2018
"It's badly structured, with 2 big o-rings which are vulnerable to leaks.
Bought 4, 2 of them leak out of the box. A STANAG may be a better fit for GBBR.
by Erik G. on 07/01/2018
"Great magazine! Alot of reviews for this product I've read have been negative. In my experience so far, as long as you keep a little bit of liquid gas in the magazine (never fully empty) they are extremely reliable. For some reason though the gas route bucking rubs against G&P WOC nozzle and causes jamming Issues. File down the mag catch roughly .005 -.010 and it will work flawlessly! After I filed my stock mag catch it began to wear out very quickly after the hard coating was gone. Just modify a real steel mag catch or easier yet, buy the G&P steel mag catch.
by Todd W. on 02/14/2018
"I have 2 more on the way, the first one I used for the G&P WOC Challenge kit, had to file a little off my magazine release, after that, worked great.... OTHER Than leaking out of the box.... Found out these are easy to take apart, I recommend oiling them if they leak on you, bought bulk O Rings for these as time goes on. Still recommend if you are handy.

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