The brake I selected for my SPR build, Griffin Armament’s M4SD-II Muzzle Brake, came in the mail today.
Griffin Armament M4SD-II Muzzle Brake
As I understand it the US Navy SPR project/Mk18 uses an Ops Inc Muzzle Break. These proved difficult to obtain in Canada and are close to $200 US. I’ve opted to use another Griffin Armament product after being very pleased with the compensator I used in my 11.5″ upper build. Since I can’t buy a suppressor in Canada, muzzle device selection is purely for recoil management.
Got my NEA package in the mail today. This will be the core of my SPR build.
NEA 18″ heavy barrel and match receivers
I picked up the NEA-15 Z marked matched billet upper and lower from SFRC for a great deal. NEA is a relatively new Canadian based AR manufacturer that has had mixed reviews over the last few years. I have had a chance to shoot several of their rifles and a have one of their bolt carrier groups. For the price, nothing else could come close to the NEA receiver set. The upper is, surprisingly, complete. The lower however is stripped, as expected. I’m not super sold on the colour of the receivers, the finish is a dark grey.
I also ordered an NEA 18″ heavy barrel. Originally I was planning on exporting a White Oak Armament 18″ SPR barrel out of the US. Again the NEA product was priced incredibly low. This barrel is made of 4140 CMV, and features 1:7 polygonal rifling, and ARC+ finish. The NEA 18″ heavy barrel is set up as a mid length gas system, and while I was planning on using a rifle length system, I’m willing to try the mid-length to get an idea of the quality of the NEA barrel.
The trigger I selected for my SPR build came in the mail today! Well yesterday but the postie doesn’t seem to leave any parcels or delivery slips at our house. Fortunately the tracking info online is updated when the parcel gets to the Post Office.
Geissele Automatics Super Tricon Trigger
I selected Geissele Automatics’ Super Tricon Trigger for a few reasons. Since I’m putting this trigger in and SPR build specifically to shoot Service Rifle and maybe some Precision Rifle it had to meet the 4.5lb minimum weight for National Service Conditions Championship and Dominion of Canada Rifle Association rules. Secondly I liked the new design with the trigger bow flattening out towards the bottom and promising less sympathetic moment at the muzzle. Third its Geissele will almost certainly going be a good trigger.
I got a new Samson Mfg 12.37 rail in the mail today. I ordered the 12.37″ rail direct from Samson Mfg on Dec 31. The order processed on the 6th of Jan and I have as of the 13 of Jan.
Samson Evolution 12.37″ rail
Made in the Free State of New Hampshire Samson Mfg is great to deal with. Cathleen Samson handles international orders and is great to talk to about their products and shipping options. When you order a rail from Samson, tell ’em we sent you!
I got a new scope in the mail this week from a boxing day sale. It’s going to ride on the new 18″ AR15 I’m working on.
Vortex Viper PST 2.5-10×32
That’s right I decided I’m going to build an SPR type rifle for Service Rifle this season. I’m using this optic; The Vortex Viper PST 2.5-10×32, first focal plane, EBR-1 reticle, with milliradian adjustments.
This should prove to be a bad ass optic for the purpose of engaging targets out to 500 yards. I have a shooting buddy that used the same model optic on a precision AR build and we were shooting man-sized targets at 1000 yards, ya that’s right 223 Rem form an AR15 at one thousand yards – monopoding off the magazine!
This is my third Vortex PST, they’re multiplying all on their own, I swear. I used a Viper PST 1-4x24TMCQ (MRAD) on my CQB upper build last year, and have a Viper PST 6-24×50 FFP EBR-1 (MRAD) on my 308 WIN bolt gun. I’m sort of a fan of Vortex’s products. They work great! The clicks are solid. The reticales are easy to use and not cluttered. The glass is in my opinion, on par with more expensive scopes from Leupold. For the price they are hard to beat. They also come with a no BS life time warranty. I had a problem with my 1-4×24 last year, after being out at a match in the rain all day running around with it malfunctioned. I noticed the next week I took it to my home club, the seals had failed and I had serious fogging issues. The Vortex distributor for Canada is in the same city as my home club, so I dropped it off, and had it back as good as new in about 3 weeks. No arguments, no delays, no issues. These guys stand behind their products.They aren’t going to give the quality you’d find on a Nightforce or Schmidt & Bender, but they beat the hell out of any scope at the same price point that I’ve been able to compare them too.