apex survival
CGN Regular
- Location
- Southern Alberta
Installed the trigger last night in my lower, the trigger pin turns in the lower but the hammer pin does not...is that normal? Using ALG Defense ACT trigger with supplied pins.
Modern Sporter - Build Discussions
- Thread starter ATRS Shaun
- Start date
- Location
- calgary alberta
Have you "mic'ed" the pins to see if they are in fact .154"?
Even if the pins do rotate they are supposed to be held in place by the trigger/hammer springs to prevent them from walking out.
Let us know how you fare.
Received my lower yesterday. Attempted my first build last night. Very successful I must say. I did buy the AR assembly block, wrench, tools.
Few notes to pass along. I did have an NEA ambi safety, installed it and it was too wide. Which caused play side to side. So I installed the BCM safety that came in my LPK , fit perfect. The captured safety spring install was a breeze. One tip, I measured the spring and gripped it in my pliers then held my hand and pliers inside a box to contain the spring when I cut it( learned this the hard way after watching the first attempt fly across the garage)The Sporter does assemble with less springs and doo-dads than a traditional AR which makes it easier for a novice. I had YouTube on my phone watching tips for assembly.
Very pleased with the quality and fit/finish of the lower. It’s wearing a BCM lower parts and furniture. All fit tight and precise. Bring on the Upper.
Few notes to pass along. I did have an NEA ambi safety, installed it and it was too wide. Which caused play side to side. So I installed the BCM safety that came in my LPK , fit perfect. The captured safety spring install was a breeze. One tip, I measured the spring and gripped it in my pliers then held my hand and pliers inside a box to contain the spring when I cut it( learned this the hard way after watching the first attempt fly across the garage)The Sporter does assemble with less springs and doo-dads than a traditional AR which makes it easier for a novice. I had YouTube on my phone watching tips for assembly.
Very pleased with the quality and fit/finish of the lower. It’s wearing a BCM lower parts and furniture. All fit tight and precise. Bring on the Upper.
Hey ,
What are the standard lenght of the pistol grip screw?
I have two , both measures 1 inch in lenght but neither will thread in far enough to tighten either of my pistol grips.
Appears that they are at least 3/8 inches to long.
What are the standard lenght of the pistol grip screw?
I have two , both measures 1 inch in lenght but neither will thread in far enough to tighten either of my pistol grips.
Appears that they are at least 3/8 inches to long.
I had to put a few extra flat washers on mine to make up the space. I could have cut it off with the hacksaw but I’ll just buy a shorter screw at some point. Looks like 1/4-28 thread or 6mm 1.0. I didn’t have a bolt gauge to confirm.
Building a .223 wylde
Maple Ridge SS 18.6" barrel fluted
Maple Ridge SS rock solid brake
Maple Ridge V1 m-lok hand guard 15"
Maple Ridge gas block
Hogue rubber over molded stock and grip FDE
S&J buffer tube
Radian Raptor charging handle. 2 tone FDE and black
Lantac NiB BCG
BCM mil-spec trigger (might upgrade before I get the receiver)
Maple Ridge SS 18.6" barrel fluted
Maple Ridge SS rock solid brake
Maple Ridge V1 m-lok hand guard 15"
Maple Ridge gas block
Hogue rubber over molded stock and grip FDE
S&J buffer tube
Radian Raptor charging handle. 2 tone FDE and black
Lantac NiB BCG
BCM mil-spec trigger (might upgrade before I get the receiver)
Similar here myself. Sticking with a lot of Canadian
Maple Ridge 18.6" Pencil barrel Blk
Maple Ridge rock solid brake SS
Maple Ridge V1 m-lok hand guard 15"
Maple Ridge gas block .625
Maple Ridge Safety Selector
KNS Anti Rotation pins
Magpul Enhanced Mag release
Magpul MOE-K2+ Blk
Armaspec SRS Stealth buffer H1
Magpul CTR Stock Blk
Radian Raptor LT charging handle. Blk
BCG undecided, looking for suggestions
Trigger undecided, possibly a TriggerTech flat
- Location
- calgary alberta
1/4x28 bolt, we use 3/4" long ones.
- Location
- Republic of Alberta
Waiting on brownells with my LPK so I can throw my lower together.
Anyone have real accuracy reports on those maple ridge barrels?
Anyone have real accuracy reports on those maple ridge barrels?
The MRA barrels (all but the carbon fiber ones if I recall) use International Barrel Inc blanks. All made in Canada and very high quality. I've heard nothing but great things about them.
ATRS Shaun
Business Member Rep.
- Location
- Calgary, AB
That might be as rare as hens teeth,around here
I’ll see what I can come up with, but the spacer works fine.
I doubt that. Fastenal carries a variety of them, a lot of lower parts kits come with them. The ones that are in LPKs and come long, I think it's like ordering action screws for a Remington 700. They usually come long, because it's easy to cut them down.. but if you've ever tired to stretch a bolt that's too short... whole other story.
And that being said, absolutley nothing wrong with the washer or spacer system either. Long as your grip is holding firm with no wiggle, life is good.
ATRS Shaun
Business Member Rep.
- Location
- Calgary, AB
Just a basic dpms free float tube. Aluminum. Send us an email, we can hook you up. info@albertatacticalrifle.com
Got every parts for MS build today!
Can’t wait for the receiver lol.
(Don’t know how to show pics here... so here is the link)
https://www.dropbox.com/s/3f3pn330e275xpb/%E7%85%A7%E7%89%87%202018-10-31%2011%2001%2012.jpg?dl=0
Last edited:
- Location
- Republic of Alberta
Got every parts for MS build today!
Can’t wait for the receiver lol.
(Don’t know how to show pics here... so here is the link)
https://www.dropbox.com/s/3f3pn330e275xpb/%E7%85%A7%E7%89%87%202018-10-31%2011%2001%2012.jpg?dl=0
Looks good
