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Folding RIS stock Angstadt Arms MDP-9 from Lambda Defence in black finish.
Designed for MDP-9, GP STRIBOG, SIG Sauer MPX / MCX and other platforms.
Compatible with RIS stock adapter (M1913).
Fully licensed by EMG & Angstadt Arms with an authentic appearance.
Folds to the left.
LAMBDA12
Angstadt Arms MDP-9 PCC GBB by Lambda Defence and EMG in black finish. Officially licensed replica of Angstadt Arms with authentic markings. Anareus Edition with a one-piece outer barrel and 14mm CCW thread. Uses G-Series GBB magazines (AAP-01, Novritsch SSP18, WE, TM Model 17 and more). Realistic blowback. M1913 RIS stock adapter and M-LOK...
LAMBDA15
B&T GHM9 GBB Gen2 airsoft submachine gun by Lambda Defence and EMG in black finish. Officially licensed Brugger & Thomet replica with authentic markings. Barrel with 14 mm CCW thread. Gen2 uses KWA MP9, VORSK VMP or LAMBDA GHM9 Gen2 GBB magazines. Realistic blowback. M1913 RIS stock adapter and M-LOK handguard. Ambidextrous controls.
Are you looking for a compact folding RIS stock that fits modern PCC and SMG platforms perfectly? Do you need a solution that is solid, lightweight, and highly functional? The Angstadt Arms MDP-9 RIS Folding Stock is an officially licensed stock primarily intended for the Lambda Defence MDP-9, but thanks to its RIS / Picatinny (M1913) mounting, it can be easily installed on many other platforms. The polymer body keeps the weight low, while the metal RIS mounting base ensures a firm and reliable attachment with no wobble. The stock folds to the left.

Example of the stock mounted on the Lambda Defence MDP-9 GBB
| Color | Black |
| Weight (g) | 500 (g) |
| Body/receiver material | Metal |