Airsoft dictionary

Conversion Kit

A conversion kit is an add-on system that allows you to turn a pistol into a compact carbine / SMG platform without any permanent modification to the weapon. The principle is simple: the pistol is inserted into a supporting frame (chassis) that adds a stock, top rail, handguard, and often additional controls. The result is greater stability, improved accuracy, and faster handling. Conversion kits therefore transform a pistol into a compact carbine or SMG without altering the firearm itself. They enhance stability, accuracy, and ergonomics while offering a high level of modularity. Whether it is real-steel systems such as RONI, the popular airsoft conversion AP7 SMG for the AAP-01 by CTM TAC, or long, design-focused conversions from SRU, this is an effective way to push a pistol to a completely new level of use. Airsoft conversion kits can also be found on our e-shop here.

RONI Glock conversion

How conversion kits work

The pistol remains mechanically unchanged and functions exactly as it originally did. A conversion kit:

secures the pistol inside a rigid chassis,
adds a stock or brace for more stable aiming,
allows mounting of a red dot sight / rifle scope on the top rail,
improves weapon control during rapid fire.

The conversion does not change muzzle velocity or raw power, but it significantly increases practical accuracy and controllability.

What does a conversion kit improve?

Stability – a third point of contact (stock).
Accuracy – better weapon guidance and aiming.
Ergonomics – improved grip and handling.
Modularity – mounting of optics, lights, grips.
Control during rapid fire – reduced shot spread.

RONI – conversions for real firearms

One of the most well-known real-steel conversion systems is the RONI by CAA Tactical. The RONI system was developed for:

law enforcement and duty use,
improving pistol accuracy without switching to a rifle,
fast response in CQB environments.

RONI allows pistols (e.g. Glock) to be converted into a compact PCC/SMG platform with a red dot sight, front grip, and stock – without any modification to the firearm.

Airsoft conversions – AP7 SMG for AAP-01

In airsoft, one of the most popular conversions is the AP7 SMG by CTM TAC, designed for the Action Army AAP-01 pistol.

SMG style – short and aggressive conversion.
High modularity (rail, stock, grip).
Ideal for CQB and speedsoft.
Retention of the simple GBB/GNB principle of the AAP-01.

Thanks to the AP7 conversion, the AAP-01 becomes an extremely fast and agile SMG platform with minimal cost and a high “fun factor”.

AAP-01 AP7 SMG Kit

Long conversions by SRU

The manufacturer SRU is known for its boldly designed long conversion kits that transform a pistol into:

a carbine with a longer barrel and stock,
a “sci-fi / cyberpunk” styled platform,
a stable weapon for medium distances.

SRU conversions are popular among players who want an original look and maximum weapon control, especially when combined with a red dot sight and suppressor.

Pros and cons of conversion kits

Advantages:

significantly improved pistol controllability,
higher accuracy without internal upgrades,
high modularity and customization options,
retention of the compact magazine system.

Disadvantages:

larger size compared to a bare pistol,
increased weight,
dependence on compatibility with a specific pistol model.

Airsoft dictionary