Products

Magblock 10/30 USGI MCL (Magazine Capacity Limiter) for AR15/M16 Magazines

- For use in USGI type 30 round magazines for the AR15/M16. 
- Will also fit SCAR 16 GI Magazines.
- These blocks will convert a 30 round magazine to hold only 10 rounds.
- Works great Magpul anti-tilt followers.
- Fits Brownells, C-Products, ACS, D&H, NHMTG, Colt, and most other metal .223/5.56 mm 30 round magazines.

-Original military style green USGI followers may need to be trimmed or replaced to work properly. If your followers have a green spike in the middle this will have to be cut down to work properly. Please see the training video section or the other photo here for instructions on how to do this. The link to the FAQ section also provides more information. 

UPGRADE: Add Magblock AR 30 Round Replacement Springs. Bring new life to your old, worn, USGI magazines, and make them like new with replacement stainless steel springs. These springs exceeds USGI specs.

• Replacement upgrade stainless steel springs.
• Uses highest quality 17-7 Stainless Steel to prevent tension loss.
• Fits all AR magazines including Pmag, standard GI issue, Hexmags, etc.
• Exceeds USGI specs 
• Guaranteed not to lose tension!
• Great to use with Magblock Limiters also. 

Replacement upgrade 30 round spring for use in AR magazines including Pmags, Hexmags and standard USGI magazines. Use along with our 10 round blocks for an upgrade or save your original springs. Uses the highest quality 17-7 Stainless spring steel which has the best properties for magazine spring use. Most companies don't use this quality steel due to the added cost, but if you want the best it will cost a little more. These 30rd AR15 magazine spring holds up in the harshest condition and won't loose tension over time even if maintained fully loaded. We guarantee spring will not be damaged from long term storage of fully loaded magazines!

These springs use 17-7 PH is a precipitation-hardened stainless steel that is well suited for aerospace and other applications requiring high strength and good corrosion resistance and formability. Type 17-7PH is a Chromium-Nickel-Aluminum, austenitic stainless steel. It is the most formable of all PH grades and has the highest strength and hardness. It is less magnetic than other PH grades and offers minimal distortion upon heat treatment. This material maintains its valuable properties at temperatures up to 800 F.

Fits M14/M1A 7.62x51mm/.308 20 round magazines

- Easiest and quickest way to make a 10 or 15 round M14 Magazine.

- Can be permanently attached to the spring with epoxy.

- The block attaches to the spring to prevent noise and movement.

- No magazine modifications required.

-Allows loading on a closed bolt with 10 rounds installed.

-New light weight design.

* Will work in new Springfield 20 Round M1A magazines and the KCI M14, M1A 20 Round magazine. 

*ATTENTION: This posting is for the Magblock (only) and not for the magazine. We don't currently sell any magazines at all.

Converts AR-15 7.62x39 C-Products and ASC 30 round magazine to 10 rounds

*ATTENTION: This posting is for the Magblock (only) and not for the magazine. We don't currently sell any magazines at all.

ASC - C-Products 10 Round Limiter 9mm AR-15 32 round magazine

This block will work with 9mm AR-15 magazines. It was designed for the C-products/Duramag and ASC magazines, but may work with other similar magazines. It replaces the lower floor plate. The spring can also be epoxied to the block which allows for disassembly. Can be cut down to fit other pistol caliber magazines. Will not fit UZI magazines but we do offer an UZI block. 

*ATTENTION: This posting is for the Magblock (only) and not for the magazine. We don't currently sell any magazines at all.

Converts FAL 20 round magazines to 10 rounds.

This block will fit surplus military FAL 20 round magazines and convert them to 10 rounds.
The end of the magazine spring will snap into the hole in the block to hold it in place.

*ATTENTION: This posting is for the Magblock (only) and not for the magazine. We don't currently sell any magazines at all.

Converts C-Products 6.8mm 25 round magazines to 10 rounds.

Magblock 10/25 MCL block for use in C-Products, ASC, and other 6.8 mm 25 round magazines. This block will convert a 25 round magazine to hold only 10 rounds of 6.8mm. May fit other 25 round 6.8 mm magazines also

NOTE: This it a cut down USGI Magblock, so the top was milled off. Works perfectly.

*ATTENTION: This posting is for the Magblock (only) and not for the magazine. We don't currently sell any magazines at all.

Saiga 10/30 Magblock 

- Converts the Saiga .223 Surefire 30 round magazine to 10 rounds.

- This block fits the Saiga polymer 30 round magazines in .223/5.56mm.

- This block will replace the original magazine locking plate.

- Fits  Surefire (SGM) magazines. Others may need modification for a correct fit.

*ATTENTION: This posting is for the Magblock (only) and not for the magazine. We don't currently sell any magazines at all.

Colt USGI 10/20 MCL Magblock

For use in ONLY Colt 20 round magazines. (See USGI 10/20 for other types of USGI magazines.)

-This block will attach to the bottom of the spring and convert 20 round magazines to hold only 10 rounds.

-COLT  USGI magazines use a modified 10/20 USGI block which has been trimmed and an adapter plate plastic welded on.

-Requires no magazine modifications. 

*ATTENTION: This posting is for the Magblock (only) and not for the magazine. We don't currently sell any magazines at all.

Works on G3 and HK91 twenty round magazines.

G3 and HK91 10/20 Block for 7.62x51mm or .308 magazines.

To Install:
This new design is held to the spring by removing the locking plate and installing the spring into the hole in the block as seen in the photo. The block and spring is then inserted back into the magazine. The locking plate is then positioned under the block. Then slide the floor plate closed as normal.

No external modifications to the magazine are necessary.

*ATTENTION: This posting is for the Magblock (only) and not for the magazine. We don't currently sell any magazines at all.

- Fits Gen 2 Pmag 20 only (Straight body)

Magblock 10/30 MCL (Magazine Capacity Limiter) for Magpul 30 round Pmags in .223/5.56mm.

- This block will replace the lower spring attachment point  or locking plate and convert a 30 round magazine to hold only 10 rounds.

- The Pmag dust covers will still fit when loaded.

- Magazines can be loaded with the bolt closed.

- Does not affect reliability.

- No increase in spring pressure. 

- Will also fit 30 round Emags. 

- Compatable with original Pmags and "M" Series only.  These will not work without modifications in Gen 3 or M3 Pmags. We will have another product set up to buy pre-trimmed M3 blocks. Here are instructions on how to trim blocks to work with Gen M3 Pmags:   http://www.calguns.net/calgunforum/showpost.php?p=9787410&postcount=261

10 Block Bulk Pack

• 10 block bulk pack. Includes ONLY the following: Pmag M2/MOE 10/30, Pmag M2/MOE 10/20, USGI 10/30, and USGI 10/20, HK G36, XD/XDm 9 and .40 Pistol blocks, and Glock 9 and .40 Pistol blocks, excluding the Glock 10/33. 
• You MUST specify the quantity and type of each block below. Please be specific. 

Excludes 10/20 Colt blocks and Gen 3 blocks