• Post category:Gun Magazines
  • Post last modified:August 1, 2022
  • Reading time:16 mins read

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6.5 mm Grendel Magazine Extension Military Ought to Have

Our Selection 12 Best 6.5 Magazine Extension – Editor’s Choice

To get the great performance of the rifle, all parts should be built quality, and magazines are not exceptions. This understanding comes after some unpleasant mags’ malfunctions, such as warped aluminum or worn springs. The 6.5 Grendel is some kind of niche cartridge. There is no such wide range of mags for 6.5 Grendel as for the 5.56 and the 7.62 NATO.

Why do we need 6.5 Grendel Mags?

The 6.5 Grendel is a low recoil long-range cartridge engineered particularly for the AR-15 rifles to present reliable ballistics use. The AR can be converted by swapping the upper receiver for a 6.5 Grendel Upper, as the Grendel 6.5 can be used with an existing 5.56 lower receiver.

Best Pick

Duramag 6.5 Grendel Stainless Steel AR Magazine

Duramag 6.5 Grendel Stainless Steel AR Magazine

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These magazines are the most dependable from the list, and with decent prices. They flawlessly fit mil-spec lower receivers. Duramag offers 2 models with a capacity of 5 and 10 rounds. The main advantages of these mags are heavy-duty construction, highly lubricated surfaces due to smooth patented coatings, which provide operation without jams even while firing the dirtiest ammo.

1# E-lander Mags 6.5 Grendel 4 Rounds Steel F99913740

E-lander Magazine 6.5 Grendel 4 Rounds F99913740

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Specification

Height: 1.40 in
Width: 3.85 in
Length: 4.05 in
Capacity: 4 rounds

The mags integrate smooth feed lips, reinforced floor plate tags, a steel floor plate with an in-built locking plate, and a white modern anti-tilt follower. The E-lander designed the magazines from the long-lasting heat-treated steel body with a durable shroud coating. The mags are compatible with all AR-15, which are chambered in 6.5 Grendel.

Pros
  • Precision manufacturing

  • No feed issues

  • Heavy-duty case, as it’s manufactured from steel, not aluminum

  • Excellent finish

  • A good bonus is a marking with the Grendel caliber

Cons
  • None yet

2# Franklin Armory DFM Magazine

Franklin Armory DFM Magazine

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Specification

Caliber: 6.5mm Grendel; 5.56x45mm NATO; 7.62x39mm; .308 Winchester; 6.8mm Remington SPC
Capacity: 10 Round
Gun Make: AR Platform

DFM Magazines are chambered for 5 different calibers, which are usually used on AR rifles.

These proprietary mags are appropriate for gun owners in limited jurisdictions. The DFM Magazines are compliant to be used in Connecticut, New York, and California.

Before mag’s mounting, it is recommended to clean and oil it to ensure smoother operation with the loader. The mags should be mounted by separating the upper and lower receiver, taking off the bolt catch, and then dropping into the magazine well from the top. Then you need to remount the bolt catch and upper. It is not removable from the bottom of the magazine well. The mags can be removed only from the top when the upper is tilted out of the side. Limiting tabs exclude release through the magazine well bottom.

Pros
  • No need for constant changes

  • Compliant: Connecticut, New York Safe Act, and California

Cons
  • California’s Proposition 65

  • Not comfortable to lock the bolt back manually, as the bolt catch is with the removed pin

  • Needs to bend little fins out to 45° to avoid catching on the bolt catch

  • Dents and jams up every round

3# Ruger Magazine American 6.5 Grendel 10-round 90721

Ruger Magazine American 6.5 Grendel 10-round 90721

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Specification

Height: 1.35 in
Width: 3.50 in
Length: 7.40 in
Capacity: 10 rounds

The magazines are crafted from Synthetic material with a Black matte coating and chambered for 6.5 Grendel. The magazines are compatible with the rifle stock, providing a smooth feed.

Pros
  • Made in the USA

  • Attractive design with blue follower

  • A grooved body ensures the rigidity of the magazine

Cons
  • Not rated yet

4# Duramag 6.5 Grendel Stainless Steel AR Magazine

Duramag 6.5 Grendel Stainless Steel AR Magazine

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Specification

Capacity: 5 Round; 10 Round

The patented coatings contain Black-T, attaching at the molecular level that significantly diminishes the friction coefficient. The AR Magazine for 6.5 Grendel is made from Stainless Steel (400) with a Matte Black finish. The magazine features a Blue snap-on anti-tilt follower, delivering trouble-proof operation without jams. Each magazine weld is monitored to be dimensionally correct, if any weld does not meet the load specs, it is rejected at once.

These mags fit a mil-spec lower receiver and the Hornady 6 mm.

Pros
  • Reasonable price

  • There is no jam due to smooth patented coatings even while shooting the dirtiest ammunition

  • Magazine follower operates duly

  • No significant weight increment in the construction

  • Unmatched lubricity and long service life of the finishing surfaces

  • Sturdy material due to the heat treatment

  • Outfitted with SS Spring CPD Plate

  • Holds well 10 rounds

  • No issue with feeding

Cons
  • Some primary difficulties loading from a full magazine

5# Ammunition Storage Components AR-15 6.5 Grendel Stainless Steel Magazine

Ammunition Storage Components AR-15 6.5 Grendel Stainless Steel Magazine

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Specification

Caliber: 6.5mm Grendel; 6.5mm Creedmoor; .264 Winchester Magnum
Capacity: 5 Round; 10 Round

The mags are equipped with an improved Anti-Tilt Polymer Blue Follower with PTFE, Chrome Silicon Springs, and 300 Series Ss Floor Plate with Black Oxide finishing. ASC Stainless Steel Mags are designed to be durable and have a long life. The Inner dimensions of OAL 2.316 in .002 magazine are well-suitable for reloads, ensuring a self-lubricating surface. The magazines are manufactured from .020 in Gauge Stainless Steel (410) Alloy, and heat treated.

Pros
  • Lightweight

  • The good mag for hunting

  • Corrosion-resistant coating due to the chemical treatment

  • Patented wear-resistant coating: a High-Grade FDE Marlube

  • The FDE color is a little lighter than Magpul FDE but still looks good

  • Feeds flawlessly and drops free with Grendel

Cons
  • Broken under normal stress

  • Three mags were purchased from OP, they didn’t have SS stamped in the side (others had), maybe it’s just a defective batch: One mag of these mags was so out of spec it hardly went into the mag well and you had to rip it out

  • The other two mags could go in, but did not drop out, you had to pull it out

  • A little on the tight side

  • The feed lips are all rough

  • The follower has way too much play

6# Ammunition Storage Components AR-15 6.5 Grendel Stainless Steel Magazine 25 Round Blocked to 10 Round

Ammunition Storage Components AR-15 6.5 Grendel Magazine 25 Round Blocked to 10 Round

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Specification

Magazine Capacity: 5 Round; 10 Round
Caliber: 6.5mm Grendel
Gun Model: AR-15

These 25-round mags are partly blocked and can be loaded only with 10 rounds to comply with CA 10-round restriction. There are two models, the color of the body is FDE Marlube or Black while the Follower is Blue for both. The mags are crafted from .020 in Gauge Stainless Steel Alloy (410). The Inner dimensions of OAL 2.316 in .002 are great for reloads. The ASC mags consist of an Anti-Tilt Polymer Blue Follower with PTFE, Chrome Silicon Springs, and 300 Series Ss Floor Plate with Black Oxide Coating.

Pros
  • Superior Strong and Lasting Endurable due to heat treatment

  • Corrosion and wear-resistant due to the chemical treatment

  • Proprietary Coating features the Surface Providing Self-Lubricating Properties

Cons
  • Not rated yet

7# CMMG Inc AR-15 6.5 Grendel Magazine 10Rd 66AFC70

CMMG Inc AR-15 6.5 Grendel Magazine 10Rd 66AFC70

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Specification

Capacity: 10 rounds
Caliber: 6.5mm Grendel
Gun Model: AR-15
Weight: 3.2 oz

The CMMG mags for AR platforms are manufactured from a stainless-steel body with a Black coating and Blue anti-tilt follower.

Pros
  • Sturdy material

  • Looks attractive

Cons
  • Bullets jam against the feed ramp

  • Doesn’t operate duly: results in issues with the AR bolt locking back and cycling properly

8# Alexander Arms Alexander Magazine 6.5 Grendel 10 Rounds M-EG65-10

Alexander Arms Alexander Magazine 6.5 Grendel M-EG65-10

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Specification

Capacity: 10 Round
Caliber: 6.5mm Grendel
Height: 1.2 in
Length: 5.1 in

The mags are outfitted with a steel floor plate, reinforced floor plate tags, an integral locking plate, fully-deburred feed lips, and a modern anti-tilt follower. The mags are manufactured from heat-treated steel casing.

Pros
  • The 6.5 Grendel engraving on the side

  • No issues with feeding

  • Durable body coating

  • Stylish design

Cons
  • California’s Proposition 65

  • Hard to set, even with the bolt locked back

  • Seating issues

  • One of the reviewers had feeding issues (about once every 3 bullets with different brands of ammunition)

  • Too thick of a coating on the mag: inserting the mag is not smooth at all, as it is gritty and sluggish

9# Ammunition Storage Components AR-15 6.8 SPC Stainless Magazine

Ammunition Storage Components AR-15 6.8 SPC Stainless Magazine

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Specification

Magazine Capacity: 10 Round
Caliber: 6.8mm Remington SPC
Gun Model: AR-15

The ASC mags from .020 in Gauge Stainless Steel Alloy (410) are outfitted with Chrome Silicon Springs, Anti-Tilt Polymer Blue Follower with PTFE, and 300 Series Ss Floor Plate with Black Oxide Coating. There are two models: one features the Black Marlube body-color with Grey Follower and the second one is FDE Marlube with the Blue Follower. These 25-round mags are partly blocked and can be loaded only with 10 rounds to comply with CA 10-round restriction.

Pros
  • The Inner dimensions of OAL 2.316 in .002 are good for reloads

  • Proprietary Coating has the Surface Providing Self-Lubricating Properties

  • Corrosion and wear-resistant due to the chemical treatment

  • Heavy-duty and Long-lasting thanks to heat treatment

Cons
  • These 25 round mags can’t be converted to full capacity, it’s impossible to remove a block or modify it

  • Not rated yet

10# Molot Vepr 6.5 Grendel 10-Round Magazine M-VPR65G-10

Molot Vepr 6.5 Grendel 10-Round Magazine M-VPR65G-10

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Specification

Caliber: 6.5 Grendel
Capacity: 10 Round
Model: Vepr 6.5 Grendel

This magazine is chambered for 6.5 Grendel caliber, so it will be suitable as a replacement or spare mag for VEPR Rifles, using this caliber. The Molot mags are crafted of heavy-duty polymer with a Black coating. The Double Stack type magazines ensure good performance.

Pros
  • Dependable feeding in the VEPR rifles

  • Sturdy construction

Cons
  • Not rated yet

11# Alexander Arms Alexander Magazine 6.5 Grendel 4 Rounds Steel M-EG65-4

Alexander Arms Alexander Magazine 6.5 Grendel 4 Rounds M-EG65-4

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Specification

Capacity: 4 rounds
Caliber: 6.5mm Grendel
Height: 1.1 in
Width: 3 in
Length: 5.3 in

The Alexander Arms detachable magazines are outfitted with an anti-tilt follower, perfectly smooth feeding lips, floor plate tags, and steel floor plate with an integral locking plate. These 4-round mags are manufactured by E-Lander from the heat-treated heavy-gauge steel body with a durable finish.

Pros
  • Strengthened floor plate tags

  • Sturdy steel shroud construction undergoes the severest conditions

  • Reinforced follower with a self-leveling floating mechanism

  • The protective coating ensures long-lasting service

Cons
  • California’s Proposition 65

  • Not rated yet

Conclusion

It won’t be an easy task to choose the magazine for 6.5 Grendel among this list of the mags, many of them are not rated or have a rating, which is under 4. CMMG is the worst of this caliber mags (2,5 rate). E-lander Mags with one review has got 5; good potential, but few buyers yet.

So in the ratio Reliability to Rating wins Duramag 6.5 Grendel Stainless Steel AR Magazine (4,6 rate and 42 reviews). While comparing the mags, pay attention to their followers (they should be Anti-Tilt), floor plates, springs, and casings with Corrosion Resistant Coating.

Remember, the 5.56 mags can fit well with 6.5 Grendels, but it’s better not to load them to prevent jams.

Tags: #best 6.5 grendel magazine / #best 6.5 grendel mags / #best glock 19 trigger / #best 6.5 magazine extension

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