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AR15

Magblock 10 and 15 round limiters for AR15 and M16 magazines in multiple calibers including 5.56/.223, .308, 9mm, 7.62x39 and 6.8mm. 

We have solutions for most popular AR15 Magazines. 

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  1. Sale
    Pmag Gen 2 MOE 10/30 Magblock 10 Round Limiter

    Pmag Gen 2 MOE 10/30 Magblock 10 Round Limiter

    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

    Regular Price: $5.95

    Special Price $4.95

    As low as: $3.95
  2. Sale
    AR15 10 round limiter magblocks

    10 Block Bulk Pack

    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

    Regular Price: $45.00

    Special Price $39.95

  3. Sale
    Gen M3 Magblock 10/30

    GEN M3 Pmag MCL 10/30 Block ***NEW*** 10 Round Limiter

    10 Round Limiter for Gen M3 30 Round Pmags

    Magblock 10/30 MCL (Magazine Capacity Limiter) for Magpul 30 round Gen M3 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. 

    - Compatable with new Magpul Gen 3 Pmags only.  These will not work in original Pmags. Can NOT be snapped down to fit 20 round Gen M3 Pmags. Please order pre-trimmed blocks for your 20 round Gen M3 Magazines.

    Regular Price: $6.25

    Special Price $4.95

    As low as: $3.75
  4. Sale
    PMAG MCL 10/20 Block

    GEN M3 PMAG 10/20 Magblock***NEW***10 Round Limiter

    Magblock 10/20 MCL (Magazine Capacity Limiter) for Magpul 20 round Gen M3 Pmags in .223/5.56mm.

    - Fits NEW Gen M3 Pmag 20  (Curved body)

    - This block will replace the lower spring attachment point  or locking plate and convert a 20 round magazine to hold only 10 rounds.

    - The Pmag dust covers will still fit when loaded.

    - Magazines can be loaded with the bolt closed in most rifles. Some trimming of the limiter may be required for this.

    - Does not affect reliability.

    - No increase in spring pressure. 

    Regular Price: $6.25

    Special Price $4.95

    As low as: $3.95
  5. Sale
    PMAG MCL 10/20 Block

    PMAG 20 MCL 10/20 Magblock 10 Round Limiter (Straight Body Gen 2)

    Magblock 10/20 MCL (Magazine Capacity Limiter) for Magpul 20 round Pmags in .223/5.56mm Gen M2 Only. 

    - This block will replace the lower spring attachment point  or locking plate and convert a 20 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. 

    - Fits Gen 2 Pmag 20 only (Straight body)

    Regular Price: $5.95

    Special Price $4.49

    As low as: $3.50
  6. 10 Round Limiter for Thermold 30 Round Magazines. Installs inside the spring. The floorplate is then closed as normal.

    Thermold 10/30 Magblock

    Magblock 10/30 MCL (Magazine Capacity Limiter) for Thermold 30 round AR-15/M16 Magazines.

    - Fits Thermold 30 round black Zytel Nylon magazines in 5.56 mm, 223 Cal.
    - Will convert a 30 round magazine to hold 10 rounds.
    Only fits current production Thermold magazines. 
    - No modification of the original magazine is needed. 
  7. .458 SOCOM 5 Round Limiter. Notice the blue adapter must be used for these limiters.

    USGI .458 SOCOM 5/20 Magblock (5 Round Limiter)

    USGI .458 SOCOM Magblock 5/20 (5 Round Magazine Capacity Limiter)

    - Fits USGI 20 round "Curved body" magazines made by C-Products and ACS when used with .458 SOCOM adapter. 
    - This block will attach to the bottom of the spring.
    - Will convert a 20 round (.223/5.56) magazine to hold only 5 rounds of .458 SOCOM.

    - Magazines can be loaded with the bolt closed in most rifles. Fitting may be required in some cases.
    - Does not affect reliability.
    - No increase in spring pressure. 
    ONLY FITS PICTURED MAGAZINES USED WITH FOLLOWER ADAPTER AND .458 SOCOM AMMUNITION.

  8. Sale
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    USGI "Curved Body" 5/20 Magblock (5 Round Limiter)

    USGI "Curved Body" Magblock 5/20 (5 Round Magazine Capacity Limiter) .223/5.56mm and .300BLK

    - Fits USGI 20 round "Curved body" magazines made by C-Products and ACS.
    - This block will attach to the bottom of the spring.
    - Will convert a 20 round magazine to hold only 5 rounds.

    - Magazines can be loaded with the bolt closed in most rifles. Fitting may be required in some cases.
    - Does not affect reliability.
    - No increase in spring pressure. 
    - Works with .223, 5.56mm, and .300BLK

    Regular Price: $6.25

    Special Price $4.95

    As low as: $3.95
  9. 15 Round Limiter for 30 Round Thermold Magazines. This easy to install limiter attaches to the bottom of the spring. The floor plate is then installed normally.

    Thermold 15/30 Magblock

    Magblock 15/30 MCL (15 Round Magazine Capacity Limiter) for Thermold 30 round AR-15/M16 Magazines.

    - Fits Thermold 30 round black Zytel Nylon magazines in 5.56 mm, 223 Cal.
    - Will convert a 30 round magazine to hold 15 rounds.
    Fits current production Thermold magazines as seen in the photos.
    - Easy install using all of the original magazine components. 
  10. 10 Round Limiter for 30 Round E-Lander Magazines.

    E-Lander 10/30 Magblock 10 Round Limiter

    E-Lander Magblock 10/30 Magazine Capacity Limiter (10 Round Limiter)

    - For use in E-Lander 30 round magazines.
    - These blocks will convert a 30 round E-Lander magazine to hold only 10 rounds. 
    - Replaces the E-Lander locking plate and has a built in floor plate lock.  

    - These can be used with USGI Ranger Plates and L-Plates. The bottom of the limiter can be modified for this and the block shortened by 2mm to allow room for the Magpul locking plate. We offer this as an option. You can also do it yourself following the instuctions found in the FAQ section here: http://www.magazineblocks.com/magento/faq  FYI: Once the block is modified for use with a Ranger Plate or L-Plate the block can not be used without one of these products in place ot it will hold >10 rounds. 

  11. 10 Round Magblock for IMI Defense 30 Round Magazines.

    IMI Defense Polymer 10/30 Magblock 10 and 15 Round Limiters

    10 and 15 Round Limiter for IMI Defense AR15 30 Round Polymer Magazines

    Magblock 10/30 and 15/30 MCL (Magazine Capacity Limiter) for IMI Defense 30 round polymer magazines in .223/5.56mm. 

    - This block will attach to the bottom of the spring, and sits on top of the original locking plate.

    - Easy conversion of 30 round magazine IMI magazines to hold only 10 rounds. Option to cut for 15 rounds available. Check box below.

    - Does not affect reliability.

    - No increase in spring pressure. 


  12. Magblock 10 Round Limiter for the CAA 30 Round MAG-17 Magazine.

    CAA 10/30 Magblock 10 Round Limiter

    10 Round Limiter for CAA Indicative 30 Round Polymer Magazines

    Magblock 10/30 MCL (Magazine Capacity Limiter) for CAA 30 round polymer magazines in .223/5.56mm. 

    - This block will attach to the bottom of the spring, and sits on top of the original locking plate.
    - Easy conversion of 30 round CAA magazines to hold 10 rounds.
    - Does not affect reliability.
    - No increase in spring pressure. 


  13. Sale
    Magblock Gen M3 15 Round Limiter for 20 Round Magazines.

    GEN M3 Pmag MCL 15/20 Block (15 Round Limiter)

    15 Round Limiter for Gen M3 20 Round Pmags

    Magblock 15/20 MCL (Magazine Capacity Limiter) for Magpul 20 round Gen M3 (curved) Pmags in .223/5.56mm. 

    - This block will replace the lower spring attachment point  or locking plate and convert a 20 round magazine to hold only 15 rounds.

    - The Pmag dust covers will still fit when loaded.

    - Does not affect reliability.

    - No increase in spring pressure. 

    - Compatable with new Magpul Gen 3 Pmags only.  These will not work in original Pmags.

    Regular Price: $6.25

    Special Price $4.95

    As low as: $3.95
  14. HK416 22LR 10 round limiter. Works with the pictured magazines.

    HK416 22LR 10/30 Magblock

    HK416 22LR 10/30 Magblock 10 Round Limiter

    - This block will convert 30 round HK 416 22LR magazines into a 10 round magazine.

    - Easy to install without damage to your magazines.

  15. Promag 10/30 Magblock for Polymer magazines.

    Steyr AUG 10/30 Magblock 10 Round Limiter

    10 Round Limiter for Steyr AUG 30 Round Polymer Magazines

    Magblock 10/30 MCL (Magazine Capacity Limiter) for Steyr AUG 30 round polymer magazines 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.

    - Customized base of the Magblock includes two locking points just like the original locking plate.

    - Does not affect reliability.

    - No increase in spring pressure.

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