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Double and Single Finger Knucks from Afrankart

I recently came across these Single Finger Knucks (SFK) and Double Finger Knucks (DFK) that are made by Afrankart. At first, I was struck with how unique they look – they have a very distinctive style. However, it is also very apparent that these knuckles are very functional.

Double Finger Knucks

Single Finger Knucks

The knuckles were obviously made for striking. They are .625″ thick which is quite thick compared to many knuckles on the market. Thicker knuckles transmit impact over a larger area of your hand which means they hurt less and have less potential to injure the user. Great care has been taken to round all the edges to increase comfort and there appears to be plenty of material behind the finger hole to support the finger during a strike. The striking surface of these knucks is tapered so they concentrate the force of the strike.

The DFKs are available with 2 different striking surface configurations: pointed and rounded. The pointed version looks brutal. The SFK is available with the rounded striking surface only.

These can be made from several different materials and finishes. Aluminum and brass are available with a machine finish or bead blasted. G-10 is available as a more discreet, non-metallic option. Andy tells me that these will be available in Carbon Fiber soon.

The finger holes measure .950″ which should comfortably fit up to a size 13 ring finger. That should be large enough for most users.

If you are interested in purchasing a set of these reasonably priced knucks, contact Afrakart via email at afrankart@woh.rr.com.

If you want to learn more about the effective use of tools like this, I highly recommend reading and attending training conducted by Modern Combative Systems.

Familiarize yourself with the legality of such tools in your area before purchasing.

Troy BattleRail Alpha

The Troy TRX Extreme BattleRails have been a big success with shooters thanks to their light weight, small outside diameter, and reasonable price. The new BattleRail Alpha builds on the success of the TRX Extreme by refining the mounting system and adding new features.

The BattleRail Alpha is a free float hand guard for the AR-15 family of rifles. Like its predecessor, it is light in weight and has a very slim outside diameter. This smaller outside diameter allows the support hand to wrap around the rail more effectively which increases grip and control.

The BattleRail Alpha features a new mounting system that attaches via the standard AR-15 barrel nut. There were occasional problems with over torqued/stripped screws on the TRX BattleRails, but the system has been improved to preclude that from happening on the BattleRail Alpha. The most obvious addition is the built in spring loaded front sight. This will be a useful addition for some users, but it may interfere with some ways of mounting a weapon light.

This has all the makings of another big hit from Troy Industries.

PWS Precision Rifle Compensator (PRC)

PWS continues to turn out muzzle devices for a wide variety of applications. The new Precision Rifle Compensator (PRC) is purpose builtĀ  to reduce felt recoil on precision rifles. There are many compensators on the market that can do the same thing, but the PRC is designed for rifles used for more serious tasks than hunting and competition (though it would work just fine in those roles too).

Like other compensators, the PRC reduces muzzle flip which allows the shooter to maintain their sight picture throughout and after the shot. Seeing your shots go down range and seeing the effect of your shot is obviously better than not seeing it. This can be vital to a shooter’s situational awareness. Unlike other compensators, the PRC is designed to reduce the shooter’s ground signature by directing the blast in a such a way that the amount of dust and debris kicked up around the muzzle is minimized. Ground signature reduction is an important part of remaining unseen.

The PRC helps the shooter see more of the target while being seen less by the target.

Review: Carlson Comps .22 Thruster

The .22 Thruster from Carlson Comps is a muzzle device that is purposely created to enhance the function of .22LR conversions for the AR-15. It has become very popular to use a .22LR conversion unit for an AR-15 in order to keep the cost of practice down. A shooter could shoot several hundred rounds of .22LR ammo for a fraction of the cost of what the same number of 5.56 ammo would cost. It is an inexpensive, practical, and effective way to train.

.22 Long Rifle ammunition is inexpensive for a reason. It is often not made with the highest standards of quality and consistency. Different brands of .22LR often perform drastically different. In fact, the same brand can often vary quite a bit in performance between manufacturing lots. The bottom line is that the wide variety of tolerances and inconsistency of .22LR ammo can make designing a .22LR conversion unit that functions across a wide variety of ammo very challenging.

Fit and Finish

Muzzle devices are utilitarian objects that should be all function with little regard for form but that doesn’t mean they can’t be well made. The .22 Thruster is nicely machined and nicely finished. The black finish has a slightly glossy finish that seems to hold up well to normal handling. Most of the .22 Thruster is covered with very finely cut checkering that provides enough grip to allows it to be installed and removed quickly without tools. The quality is obvious.

How Does It Work

The .22 Thruster can help a .22 conversion cycle a wider variety of ammo. It does this by serving as an expansion chamber which creates more back pressure. The extra back pressure helps cycle the bolt.

The .22 Thruster has a similar effect to that of a sound suppressor, not in that it suppresses sound, but that it increases back pressure much like a sound suppressor does. To be clear, it does not decrease the sound signature but it does increase back pressure. This extra back pressure can be the difference between a round fully cycling the bolt and short stroking. It can be just enough extra pressure to cycle a round that may be just a bit underpowered or a particular round that your .22 conversion may choke on periodically.

Greg, owner of Carlson Comps, is quick to point out that this is not a cure all for malfunctioning .22 conversions. It can’t be a cure all due to the inconsistency of .22LR ammo. However, it may be just enough to reduce some or all of the malfunctions for certain types of ammo.


The .22 Thruster installs like any other muzzle device. It can be threaded directly onto the barrel. It can also be tuned through the use of peel washers. The user can adjust the size of the expansion chamber by stacking peel washers on the barrel before installing the .22 Thruster. This allows the user to tune the device to their particular weapon or a particular brand of ammo.

It does not need to timed or aligned any specific way. There are three small holes on the device that serve no purpose other than to make sure that the device is never confused for a sound suppressor. These holes can be oriented in any direction.

Does It Work

I set out testing the .22 Thruster with a grand plan in mind. I was going to put hundreds of rounds through a .22 conversion, logging each malfunction along the way. I hoped to have a large data set from which to draw conclusions about the muzzle device. Greg warned me that my plan might be a bit grand due to how unpredictable .22LR can be. He was right.

A friend and I put hundreds of round through his dedicated .22 upper only to find that we couldn’t find an ammo that would malfunction consistently. I needed malfunctions to determine whether the device was working and I couldn’t deliver them.

I have not given up and will continue to test the .22 Thruster. I have plans to try a few drop-in conversions that I am hoping will be less reliable. I will write an update with my findings when that time comes.

The concept is simple and solid. Expansion chambers work. Like Greg says, this is not a cure all, but it can certainly help.


The bottom line is that most people who are using .22 conversions are also using muzzle devices that are designed for the 5.56 that offer no benefits to their .22 conversion. The .22 Thruster is designed specifically to increase the function of .22LR conversions and it does that based on a solid concept.

Carlson Comps offers the .22 Thruster and several other muzzle devices on CarlsonCompsInc.com.

Midwest Industries Rear Sling Adapter for the AK-47

Midwest Industries (MI) has a new rear sling point for the AK-47. It is a rotation limited QD sling swivel socket that can be attached anywhere on the rear stock utilizing two short screws. The adapter can be mounted to any stock with a solid core, wood or plastic. In spite of the name, this isn’t just useful for single point slings. It would make a great rear sling point for a 2 point sling as well.

Since the adapter attaches via screws, it should be useful on stocks on other weapons as well. This could be great on something like a wood stocked shotgun or even lever action rifle.

Mounting a sling on an AK has always been a bit of challenge. This adapter from MI is something that has been needed for a long time.

Spikes Tactical 14.5″ Light Weight Mid-Length AR-15 Upper

AIM Surplus recently listed the highly anticipated Spikes Tactical 14.5″ Lightweight 5.56/.223 Upper Receivers. These uppers were so highly anticipated that they are already sold out less than 48 hours after they were listed.

The fact that they are already sold out isn’t surprising given the excellent value that these uppers represent. They feature a 14.5″ light weight mid-length HP and MP tested barrel with a pinned Vortex flash supressor, Magpul MOE hand guards, a bolt, carrier, charging handle, and Spikes Tactical ST-T2 heavy buffer. That is a lot of upper for just $539.95 shipped.

Aimpoint Patrol Rifle Optic (PRO)

Aimpoint introduced a new, more budget friendly, optic called the Patrol Rifle Optic (PRO) at the 2011 SHOT Show. The optic and its price ($440 MSRP) are geared toward the police market but it is already for sale to anyone (not just police).

The PRO seems to sit squarely between the now discontinued CompM2 and the CompM3. It has the 2 MOA red dot of the CompM3 but the 3 year battery life is a bit lower than the CompM3’s 50,000 hour battery life. 3 years on one 1/3N lithium battery is no slouch. It also features night vision compatibility, hard anodizing, and the extra waterproofing that is typical of Aimpoint’s military/police offerings.

This would be an attractive optic at this price point if all that you received in the box was the Aimpoint PRO itself, but Aimpoint takes it a step further by including their QRP2 mount. The QRP2 can be used on an AR-15/AR-10 flat top with the included spacer or you can remove the spacer to low mount the sight on something like a shotgun. The QRP2 isn’t my favorite mount on the market but it very functional and will serve to get the user up and running right away.

Aimpoint also includes some very slick lens covers. The rear cover has a transparent window that allows the sight to be used in an emergency even if both lens covers are closed. Since there is no window in the front lens cover, the sight functions like the old occluded eye sights when both covers are closed. It would be nice to see these become standard on all Aimpoint offerings.

The Aimpoint PRO is a really excellent value. I have already seen street prices of around $400 which is amazing considering everything that comes with the optic.

Granite Tactical Gear Modular Pockets

Granite Gear, maker of excellent outdoor gear like backpacks, has quietly been making some very innovative tactical gear for the last couple of years. Some of the newest products in the their tactical line are the Modular Pockets (MP’s).

These are not unlike any other MOLLE utility pouch on the market except for two key differences. They have a rigid foam reinforced back sheet that helps the pouch keep its shape and makes for a rigid attachment to the host pack (or chest rig, belt rig, etc.). They also have compression straps to help prevent noise and shifting. The rigid backing helps prevent the host pack from bunching when the compression straps on the MP are cinched tight. I have never seen a MOLLE pouch with compression straps and when I saw these MP’s I was immediately struck by what a simple, functional, and worthwhile addition they could be to a pouch.

If you have 15 minutes to fill and you want to drool a bit, check out the Granite Tactical Gear 2011 catalog for more info on their entire line of gear.

Review: Grip Force Adapter for Gen4 Glocks

I recently had the pleasure of reviewing the Grip Force Adapter for Generation 1, 2, and 3 Glocks. I was extremely impressed so I jumped at the chance to try the Generation 4 model when Grip Force Products offered to send me one.

Gen 4 Glock without the Grip Force Adapter

The Gen123 and Gen4 models of the Grip Force Adapter appear to be very similar at first glance and, for the most part, they are very similar. However, the 4th Generation Glock frame is smaller from frontstrap to backstrap. This smaller grip really lets the Gen4 Grip Force Adapter shine.

The Gen4 Grip Force Adapter displays all the benefits of the Gen123 model that I reviewed earlier – a straighter backstrap and an extended beaver tail to prevent slide bite. However, the slightly shorter hump on the backstrap of the Gen4 Glock and the slightly smaller grip really seem to take the Grip Force Adapter to the next level. The change in the way the Glock feels and handles seems to be even more dramatic with the Gen4 grip adapter. It just seems to respond even better to the straightening of the backstrap.

Just as with the Gen123 model, the Gen4 model had a negligible effect on trigger reach. In fact, there is even less potential for issues with the trigger reach since the Gen4 Glock’s grip starts out smaller. It was a complete non-issue for me. In fact, it is hard to tell any difference in how my finger reaches the trigger. The feel of the straightened backstrap is far more noticeable than any change in how I reach the trigger.

Gen 4 Glock with the Grip Force Adapter

Gen 2 Glock with the Grip Force Adapter (Gen123)

I was impressed with the Grip Force Adapter on Generation 2 and 3 Glocks. I am even more impressed with the Grip Force Adapter on Generation 4 Glocks. The Gen4 grip just seems to respond better to the addition of the Grip Force Adapter. The Gen4 Glock and the Grip Force Adapter are a match made in heaven.

You can read more about the Grip Force Adapters on the Grip Force Products website. Also be sure to reference Jerking the Trigger’s full review of the Gen123 Grip Force Adapter for more information and photos.

Magpul Rifle Length MOE Hand Guards – Now Shipping!

The the long awaited rifle length MOE Hand Guards from Magpul are now shipping. These were originally announced back at the 201o SHOT Show. There have been pictures all over the web of these hand guards being used on “dissipator” type carbines and they certainly seem to be well suited to that type of build.

They should be on dealer’s shelves shortly. You can read more on Magpul’s website.

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