(The Official Picture Thread on CGN is Located Here).
The M14/M1A Blackfeather® "RS" aluminum rifle stock is patterned on the light weight, balance and ergonomics of a traditional USGI fibreglass stock but it offers modern features such as precision bedding, our proprietary, self-lubricating, adjustable oprod guide, removable, keyed picatinny rails, a removable, interchangeable butt stock adapter, improved trigger ergonomics, end plate adapters for all industry standard AR buttstocks as well as true component interchangeability for the M14 platform.
Blackfeather is comprised of 9 components, the stock, butt stock adapter, 2 end plates, 3 rails, the oprod guide and wear plate.
The stock and its component parts (excluding the oprod guide and oprod guide wear plate) are made from 6061 T6 aluminum and are Type II hard coated matte black in an ISO:9001 certified anodizing facility. The oprod guide and the oprod guide wear plate are made from 4140 HTSR (heat treated and stress releived) steel and ship black oxide coated.
The stock is well-balanced, fast handling, light-weight (see weigh scale photos below), offers precision bedding surfaces, improved trigger ergonomics and "natural" handling characteristics over existing M14 platform designs. The Blackfeather® fore end was modeled and follows the natural contours of a USGI synthetic stock.
Included with the stock, are three "keyed" picatinny rails. Two 4 inch side rails and one 6 inch under rail. The two 4 inch rails are keyed with male studs protruding on the back of each rail. The studs interface into the side openings of the stock along a track way to afford placement fore and aft. This modular picatinny rail track system is unique to the Blackfeather® stock. The stock also includes a permanent 4" picatinny under rail and a 9/16-18 UNF threaded hole for a steel insert (not included) for QD slings or bipod attachment.
The Removable Butt Stock Adapter
The butt stock adapter forms a critical interface between the stock, your butt stock and pistol grip. This important juncture was considered carefully to get it right.
First, we scalloped the sides of both the stock and the butt stock adapter to allow for an ambidextrous trigger finger contour. This scalloping allows you to keep your trigger finger in a "trigger ready" position (in the channel groove shown) and then with one transitional motion, move it to the trigger pad. The trigger finger is "swept" to the trigger pad. This simple design feature is very natural, unimpeded and fast. The channel groove is present on both sides of the stock so as to afford left handed shooters the same features.
The location of the AR 15 pistol grip adapter has been set back the correct distance to allow most shooters to have a natural and comfortable trigger pull length, using the tip or first joint of the finger. This location also allows easier unlatching of the trigger guard when dis-assembling the rifle for cleaning. Some aftermarket AR 15 compatible pistol grips will also allow further customization and/or adjustment of trigger pull length.
Butt Stock Height Position
With an AR 15 butt stock installed, the height of the included LOW rear butt stock adapter allows most people to use the original M14 iron sights, or the built in BUIS rear peep sight of the CASM® series scope mount. This low adapter provides a cheek weld that is slightly higher than the original M14 stock comb, to provide better cheek weld for scopes while still allowing the simultaneous use of the iron sights. An optional high rear butt stock adapter will soon be available for dedicated scope use, but this high adapter will be too high for simultaneous use of the original iron sights. An optional proprietary heavy duty side folding stock with adjustable cheek riser will also be available.
Butt Stock Adapter Butt Stock Compatibility
Importantly, the Blackfeather "RS" allows you to use any AR-compatible butt stock. This includes all AR "fixed" tubes, all AR "carbine" tubes and all AR full length "rifle stocks," like the Magpul PRS. The stock ships with two end plate adapters for carbine and fixed tube but no end plates are required for the full length rifle stock as the rear of the butt stock adapter has a compatible interface built-in.
Butt Stock Adapter Grip Compatibility
Please note the illustration below in regards to AR pistol grip compatibility.
Removable Butt Stock Adapter
For optimal interchangeability, the butt stock adapter was made removable. Future Blackfeather® compatible butt stock adapters will include adapters for a higher butt stock position ideally suited to scopes only. A folding option will also be available.
Butt Stock Adapter Affords "Natural" Feel
When you hold the pistol grip under a carbine butt stock or a fixed tube butt stock, the end plates' natural ergonomics are apparent. End plate contours were carefully considered here to afford optimal comfort to the rifleman.
Butt Stock Adapter's Ambidextrous Sling Swivel Insert Openings
On both sides of the rear butt stock adapter, we have included a 9/16x18 UNF threaded hole in order to allow for the insertion of a steel sling insert (not included). This will allow you to confidently install a sling on either side of the rifle.
The New M14.ca Oprod Guide: The Heart of the Rifle
The M14.ca oprod guide (ORG) is made from 4140 HTSR (heat treated and stress relieved) steel and offers the largest surface bearing area of any oprod guide available and a secure connection to the barrel.
The unique new adjustable M14.ca oprod guide free floats the barrel from the ORG forward, and is adjustable vertically, which allows you to tune your M14 rifle in a way no other system can. You can adjust barrel to stock vertical tension and thereby adjust "barrel harmonics" to maximize accuracy with an individual load. Or you can simply set the tension adjustment at neutral, which has shown in testing to provide improved average accuracy with many different loads.
The M14.ca ORG is quad-locked: inside the stock by massive alloy buttresses, with three set screws on the barrel, at the forearm with a big 1/4" grade 8 bolt at it's base, and optionally, with a new heavy duty coiled cross pin. When set up correctly, this affords you a "0" rotation design that is vertically adjustable but still quickly removable. This quick release feature allows you to swap in another barreled receiver in minutes, so one stock can be used with more than one barreled action.
The Blackfeather® oprod guide also affords special releif cuts on both sides of the oprod channel to allow for packing grease. This simple innovation offers lubrication of the oprod guide during the course of fire and is present in no other design.
The oprod guide connects to the forearm with a heavy duty hardened steel anti-wear plate, which provides a large surface bearing area that will not peen or distort even after extensive use.
Modularity with Multiple Oprod Guides, Butt Stock Adapters and Scope Mounts: The Concept Behind Blackfeather®
With the Blackfeather “RS” rifle stock, the rifleman can choose between a series of interchangeable components that allows the operator to “fit” rifle to rifleman as situations demand but it also allows you to swap entire barrel/receiver/trigger groups (BRT Groups) into the same stock using our proprietary oprod guide (additional ORGs can be purchased via this link separately). Swapping entire BRT Groups allows you to deploy multiple rifle configurations, thus, the operator can field a Blackfeather® "RS"-equipped M14 with a short barrel and red dot while maintaining another rifle configuration with a long barrel and scope (this is a simplified example). The total cost of ownership savings is obvious, particularly to organizations that field multiple rifle configurations (or individuals with more than one M14).
Furthermore, the Blackfeather “RS” system will allow you to choose between 3 different AR-15 butt stock compatible back-ends (fixed low or high or folding), our CASM “EX” upper combination railed handguard/scope mount (or other manufacturers’ handguards which may require modification to clear our ORG), 4 different scope/red dot mounting solutions (our “CASM”, “CASM EX” “MRD” and “RD” mounts) and muzzle brake accessories with base and/or an adjustable or fixed front sight that is compatible with our BUS system on the CASM, MRD and RD mounts.
This selection of components and multiple ORGs allows you to run your rifle in numerous ways with the confidence that your M14.ca parts will work in unison with your rifle platform. The type of M14/M1A you want to run is entirely up to you. With Blackfeather®’s design, one rifle can fill several roles. Whether you are going for a simple, light weight hunting rig with no tactical accessories, a “shorty,” folding M14 for CQB or a scoped battle rifle configuration, the M14/M1A Blackfeather® “Rifle System” offers options like no other.
Weight and Balance Critical
A rifle stock must be light enough to carry for long periods, but still heavy enough to allow for precise shooting with the powererful 7.62x51 cartridge. While maintaining our overall focus on building an accurate platform, weight and balance influenced every design decision. Our rifle in this photo weighs in at 8.2lbs. and balances correctly, swings smoothly and quickly.
In the words of a former Canadian forces trainer who was present during Blackfeather® range trials: "I can not believe how well I could manipulate it [ed. Blackfeather] in any of the configurations to make fast double tap hits in the A zone through a number of different COF [ed. Courses of Fire]. The stock is light and well balanced, grip angle is familiar and requires nothing to be comfortable. With a two chamber SS Miceluk type comp, and the JPoint red dot I was getting almost no “Dot Bounce” and hits as fast as I could pull the trigger. Lighting fast double taps with a 7.62x51 (i.e. 6 As on three targets at 20 yds in 3.5ish seconds from the low port)! I was a little slower with the scope (on the CASM mount), but still able to run the same course in and around the high 3s with a worst of 4.2 sec.)."
Accuracy and Development
After two years of on and off development, an estimated 95+ changes to the rifle stock concept over 13 full length prototypes (not including receiver test blocks) and 640+ machine hours (not including human research and development and range trials over 2 months), we will argue that Blackfeather® will effectively accurize your M14 rifle, if you do your part.
Blackfeather's accuracy comes from it's accurate bedding surfaces (the tight, receiver group to stock fit) and our prorietary, adjustable, quad locked oprod guide that free floats the M14 barrel forward of the barrel boss. The bedding surfaces are based on original USGI receiver drawings, tested on various receivers using our "receiver test blocks" with guidance from M14 armorors and individual M14 experts, and our own in-house technical advisor (former gunsmith and ex-Canadian military) to re-create as accurately and optimally as possible, the bedding surfaces for the M14 receiver group.
In the photos shown, an out of the box 2009 Norinco M14 rifle with minor modification and installation into the Blackfeather® "RS" rifle stock, we were able to achieve MOA. Signed and witnessed March 18th 2012. We've since repeated these range trial results.
We can modify the Blackfeather® "RS" to suit your organization. If you have a specific requirement or would like specific feature enhancements, we can offer that with the right volume order. We cannot consider individual requests. Serious inquires can be directed by email to: email@example.com
Product Name: M14.ca Blackfeather "RS"
Type: M14 Platform Rifle Stock
Material: 6061 Alloy, Type II Hard Coat Anodized, 4140 HTSR Steel, Black Oxide Coated
Color: Matte Black
Weight: 2.8lbs with Magpul pistol grip and Ace Ltd. Ultra Light buttstock
Weight: 8.2lbs (Fully assembled as shown in this photo)
Receiver Group Compatibility: Fits all M14 family of rifles with receivers close to US GI external dimensions (Incl. Norinco/Polytech Rifles and M1A). (Lugged receivers will not fit).
Barrel Group Compatibility: Fits all M14/M1A family of rifles with standard contour barrels. Medium weight barrels with a standard op rod guide barrel boss diameter of .800" may be supported. Please contact us for more information. Heavy barrels are not supported.
Tel. orders: To place an order over the telephone, please call 250 721 3444 direct. Thank-you.
Please note: your M14.ca Blackfeather® "RS" rifle stock ships with one "Oprod Guide and Anti-wear Plate." For multiple rifle configurations, additional Oprod Guides and Anti-wear Plates can be purchased via this link.
USA customers, please note: you will require a permit from the BATF in order to export the Blackfeather "RS" from Canada. When you place your order, you will be sent a BATF Form 6 Part 1 by email completely prepared and filled out for processing (average processing time is 5 weeks).
Product Data Sheet
Engineering and Design Considerations of the Tension Adjustable Op Rod Guide