UZI, STEN, MPA

This block will work with 32 round 9 mm UZI and MetalForm magazines to make a 30 round magazine. It replaces the lower floor plate. The spring can also be epoxied to the block which allows for disassembly and cleaning, or epoxy the floor plate closed for a more secure modification.

Magblock 10 Round Limiter for Sten 32 and 20 Round Magazines

- Fits Sten 32 round magazines and 32 round magazines that have been "Brass Wire" limited to 20 rounds. You must choose an option below.
- Easy installation at the base of the spring.- Limits the magazine to 10 rounds of 9 mm.
- Held in place with spring tension or can be epoxied for a permanent modification. 
- Lightweight, efficient design.
- Made of a super strong, heat resistant, fiber reinforced polymer.
- Please Note: The Photos show a 32 round magazine that has 2 brass wires on the inside that protrude outside near the bottom of the magazine. This is a Sten 32 round magazines that was limited to a single stack 20 round magazine. This was a common military modification that helped with reliability and very widespread on surplus magazines. Please select the "Single Stack Modified" option below if you see these brass wires at the bottom of your magazine to ensure you receive the proper limiter. Thank you.

10 Round Limiter for 32 Round Tapco MPA Magazines

Magblock 10/32 Magazine Capacity Limiter for the Masterpiece Arms 32 round 9mm magazines made by Tapco.

- This block will replace the lower spring attachment point or locking plate and convert a 32 round magazine to hold only 10 rounds.

- Very easy to install

- Does not affect reliability.

- No increase in spring pressure.

- Slight modification of the follower is required to fit all 10 rounds. Please see the pictures posted here for instructions.