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Cacophony Tuesday, May 22nd, 2007
Period of
Product Use:
Less than a month37 of 37 people found this review helpful.

4 years
Products Used:
1) Tiberius Arms TAC-8 (superior > 50 feet)
2) Tiberius Arms T9 (superior > 50 feet)
3) Ariakon ACP 2.0 (very inferior)
4) PMI Pirhana USP (inferior)
5) APSRAM (RAP4) Sig Sauer 226 (equivalent)
6) Sheridan PGP (N/A)
Marker Setup: Primary weapon: Tippmann A-5 with Special Ops commando stock & A-5A2 foregrip; Smart Parts Freak Back with Hammerhead Pro Tip front barrel; Simmons 40mm red dot scope; JCS dovetail-to-weaver offset rail; PMI coiled remote line with slide check; PMI 72cu/3000psi HPA tank.

Alternate Primary: CCI VSC Phantom with 15-round horizontal feeder, NC Star 35mm red dot scope, White Wolf Airsmithing Stealth Barrel, Smart Parts Freak Barrel inserts.

Secondary weapon: Tiberius Arms TAC-8 pistol with 3 extra magazines.
1) ~3 extra magazines
2) good quality magazine holster
Strengths: 1) Accurate to ~50 feet
2) Mil-Sim realism
3) Air efficient
Weaknesses: 1) .43 caliber rounds
2) difficult maintanence
3) No velocity adjustment
Review: SETUP:

The APSRAM P99 is a nearly 1:1 replica of the Walther P99 in weight and functionality. The marker is nicely packaged in a hard plastic carrying case that includes marker oil, cleaning cloth, squeege, and instruction manual/warranty card. The carrying case itself can accommodate at least 4 spare magazines in addition to the marker. The P99 fires .43 caliber paintballs (as opposed to standard .68 caliber rounds) that are only available from a handful of distributors (all of whom share the same supplier). These .43 caliber paintballs fit into magazines that accommodate 9 rounds; a 10th round can be forced into the magazine, but the metal edge of the magazine often scratches the surface of the 10th round and is associated with more frequent ball breaks. The marker uses a 12-gram CO2 cartridge that loads directly into the pistol grip. The magazine and 12-gram CO2 cartridge are inserted independently from one another (unlike the Tiberius Arms TAC-8 and T9).

The P99 utilizes a realistic blowback slide system that chambers each round into the breech after the marker is discharged. The slide remains locked in place once the last round is fired (just like its real counterpart). The marker cannot be fired again until the slide is released. The empty magazine is released by depressing a lever located at the bottom of the trigger guard. A loaded magazine can then be inserted and a round is automatically chambered once the slide is released. The safety mechanism is located directly on the trigger itself.

The P99 is nicely weighted. It is compact and well balanced in the hand. The weight of the marker is appropriately distributed even after a 12-gram CO2 cartridge and full magazine are loaded into the grip. The grip is small enough for my wife to comfortably hold the marker (unlike the Tiberius Arms TAC-8). The marker has an ambidextrous design with a slide release lever and a magazine release lever located on both sides of the body. The rear sight is adjustable to accommodate both left- and right-handed individuals. I'm right-handed, but left-eye dominant. I usually fire pistols left-handed. I was able to adjust the rear sight to accommodate my left hand and was able to fire the marker very accurately.


The APSRAM P99 is extremely accurate at 25-50 feet. I fired the marker from a modern isoceles stance. I used standard RAP4 .43 caliber paintballs (not the hard shell rounds). My target was positioned at distances of 25 and 50 feet both indoors (76 degrees) and outdoors (68 degrees, ~12 MPH wind). Because the slide re-cocks after every round fired, accuracy suffers tremendously with rapid fire. I tested the marker with single shots only. The following are my results:

25 Feet:
Indoors: 46/50 within a 2-inch radius around the bull's eye (13 hit center; 4 hit ~4 inches off center).
Outdoors: 42/50 within a 2-inch radius around the bull's eye (9 hit center; 4 hit ~4 inches off center; 2 hit ~7inches off center).

50 Feet:
Indoors: 41/50 within a 3-inch radius around the bull's eye (5 hit center; 7 hit ~5 inches off center; 2 hit ~7 inches off center).
Outdoors: 39/50 within a 3-inch radius around the bull's eye (5 hit center; 6 hit ~5 inches off center; 5 hit ~7 inches off center).

I tested the marker at 75 feet outdoors only. The following are my results:

75 Feet:
Outdoors: 18/25 within a 6-inch radius around the bull's eye (0 hit center; 3 hit ~8 inches off center; 3 hit ~9 inches off center; 1 missed the 18-inch target).

I also used the APSRAM P99 in 2 games last week. I fired ~130 rounds in the two games combined. We played in a wooded environment in which wind was ~5 MPH. The P99 performed well at medium ranges in these 2 games; I could place paint within ~12 inches from my target with snap shots. The greatest distance at which I marked a moving target was ~85 feet. The P99's accuracy is roughly equivalent to the accuracy of the Tiberius Arms TAC-8 and T9 at distances between 25-50 feet. Beyond 50 feet, however, the accuracy very quickly deteriorates. I believe the poor accuracy at longer ranges is due to the smaller caliber rounds which are more susceptible to wind variance and flaws in the paintball shell.

Unfortunately, My X-Radar chronometer does not seem to detect the paintballs fired from my P99. The velocity subjectively seems to be very consistent, but I cannot verify this with statistical data at this time (I will update the FPS after further testing).

The air efficiency of the APSRAM P99 is phenomenal. The above accuracy testing was done with 4 12-gram CO2 cartridges. I have been getting about 7 to 8 magazines-worth of air from each 12-gram CO2 cartridge. I load 9 rounds into my magazines; thus, I get 60 to 70 rounds per cartridge (as opposed to 70 to 80 rounds per cartridge using the APSRAM Sig Sauer 226). I usually have to manually re-cock the slide after I have fired more than ~70 rounds. I can get an additional 5 to 6 shots with a little drop off before I have to exchange the cartridge. I prefer the pneumatics of the P99 more than the Tiberius Arms TAC-8 and T9 because the magazines are lighter and use 1 CO2 cartridge at a time rather than 1 CO2 cartridge per magazine.

The magazines themselves are nicely constructed of high-grade aluminum. They house the .43 caliber paintballs well with little rattle. Like the Tiberius Arms TAC-8 magazine, the P99 magazine has a retention lever that compresses a spring and locks in place so that paintballs can be loaded. The nicest feature about the P99's magazine is that the paintballs do not eject if the retention lever is accidentally released. The paintballs are retained in the magazine by plastic ball detents housed within the magazine itself. I cannot tell you how frustrating the TAC-8 magazine can be when it ejects all of its paintballs after the retention lever is accidentally bumped during a reload. Also, I have never had a double-feed (except when I was manually re-cocking the marker when running out of air and accidentally double-cocked it). The magazines themselves are very slender only using ~1/3 the width of the grip (the CO2 cartridge takes up the remaining 2/3). They are compact and fit nicely into pockets. They do NOT fit nicely into magazine holsters, however. The base of the magazine is much larger than the shaft. Thus, the magazine shifts its orientation a lot when I move around the field and occasionally falls out of my old magazine holster. I had to buy a new magazine holster with deeper pockets so that they wouldn't fall out.

While this is a review of the APSRAM P99, I feel that it is important that a comment be made about the .43 caliber paintballs that this marker uses. I have not had a single ball break with this marker. The paintballs seem to tolerate both the bolt and barrel well. However, the performance of the paintballs have been variable. They seem to penetrate through brush and pine trees much better than .68 caliber rounds (I use Marballizer paintballs). I have a collection of some spectacular hits through some pretty thick bramble using these smaller rounds. Conversely, however, they were ONLY hits, not marks--the paint didn't break. I've had a lot more bounces with the .43 caliber paintballs compared to .68 caliber rounds. The decreased radius of the .43 caliber paintball results in increased shell integrity (assuming that the thickness of the .43 caliber paintball shell is roughly equivalent to a .68 caliber paintball shell). I have not tried the hard shell paintballs available from RAP4.


In short, there is no maintenance for this marker. The APSRAM P99's warranty is void if you disassemble the marker. Thus, maintenance involves cleaning the barrel, oiling the slide, and wiping off the exterior. The manual includes no instructions on how to appropriately maintain the marker which is very disappointing. Cleaning the barrel is simple: attach the cleaning cloth to the end of the squeege, eject the magazine, pull back the slide, insert the squeege into the barrel from the base of the barrel, and pull the squeege through to the front of the barrel. The stock squeege seems to be very effective at cleaning.

The velocity cannot be adjusted without voiding the marker's warranty. When I purchased my marker, I asked the vendor if he could preset the velocity at 270 FPS prior to selling it to me; he told me that he could not service the marker without voiding my warranty. If the marker needs velocity adjustments or servicing, it must be sent back to the manufacturer (APSRAM, not RAP4). I have attempted to contact APSRAM with various questions via e-mail; they do not respond promptly. I have not attempted to contact them via phone.
Conclusion: I greatly enjoy using the APSRAM P99. I would recommend it to anyone wanting a Mil-Sim marker. I found it to be more consistent with fewer ball breaks compared to its APSRAM Sig Sauer 226 counterpart. The air efficiency and good accuracy over short and medium distances are both very impressive. I still use my Tiberius Arms TAC-8 and/or T9 as my secondary weapon when playing woodsball because the distances to my targets are usually beyond 50 feet. However, I use the P99 on our speedball field because the targets are within the effective range of the marker and the magazines are far more portable. The ball bounces occur more frequently with .43 caliber paintballs, but I'm willing to trade the occasional ball bounce for the opportunity to shoot my targets twice since the P99 is so much fun to use! The TAC-8 technically performs better than the P99 overall, but the P99 is a very reliable and exciting marker to use. I cannot give the marker a 10 (which the TAC-8 and T9 both earned) primarily because of the inability to adjust velocity or service the marker without voiding the warranty or sending it to APSRAM.
9 out of 10Last edited on Tuesday, May 22nd, 2007 at 12:06 pm PST

Review Comments
Vracer111 Friday, June 15th, 2007 | 1:14 pm PST
Sorry for the way late reply, I don't check this site often and just noticed the replys at the bottom. After seeing your review I'd say you have much more experience with it and answered your own questions by now. Only thing that really bugs me on the Umarex P99 .43 paintball pistol other than what I posted is the single action trigger feel - it's not how a P99 (or CP99 even) is. When you cock the real Walther P99 back, the trigger is set back and you only need to pull it ~1/8" to fire. With the .43 Caliber P99 paintball version, single action has the same full pull length as double action does, and the trigger has a little catch right before firing. Double action is fine. I really like your review of the P99 very much, it is basically what I wanted to do but didn't. I planned to bench rest the marker at 10 yards and shoot it against my Delta 68's to compare accuracy/precision of the .43 caliber paintballs verses .68 caliber paintballs, but sold the Delta 68's before I could get everything setup. I do have one question for you. How do you carry the Umarex P99 - in a holster? I was wondering if they fit in holsters designed for the real P99, since I believe the Umarex .43 Caliber P99 paintball pistol is physically larger than the real Walther P99.

jvbeitia Friday, September 11th, 2009 | 7:04 am PST
Recently I bought my RAM Walther P99 to play in Panama City, Central America. Here in Panama the humidity is very high, so I had a lot of problems with the 0.43 paintballs. They get soft very fast and the spring of the magazine compress the balls and they get deformed. This is disaster for the gun, as a lot of balls break in the barrel. When I discovered the powder balls (Pballs), the problem was resolved and the gun works perfectly in this wet conditions. I recommend the use of this kind of ammunition, it is designed especifically for RAM markers.

IIFUNKOII Sunday, May 1st, 2011 | 6:05 am PST
I also have to deal with right-handedness and a dominate left eye. I was very glad to find out that this marker supports left-handed firing. Your review was very helpful and I can't wait to get my own P99. Thank you.

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