"Other" Calibers [Archive] - Colorado AR-15 Shooters Club Discussion Forums

AR in 338 Spectre (3 replies)
6mm Max (6 replies)
Which buffer... (6 replies)
20 caliber barrels, looking for advice (1 replies)
X-Caliber 45 ACP Barrel, new build, etc... (6 replies)
JP Rifle JP-5 (8 replies)
Help a lefty pick a PCC (12 replies)
Favorite 9mm AR-15 Lower? (26 replies)
Looking for advice on a handguard. (3 replies)
350 legend pistol (0 replies)
PSA 9mm lower and upper...? (6 replies)
.50 Beowulf (0 replies)
.450 Bushmaster (14 replies)
AR9 build or buy (47 replies)
Piecing together an AR-15 (26 replies)
Any Other SOCOM Shooters Here? (21 replies)
Other Calibers (11 replies)
6.8 SPC - Barrel Length and Twist (8 replies)
Upper ID help please (5 replies)
243 Win? (8 replies)
AR-15 round better than a .30-.30 (40 replies)
Jumping into the tac6 world (7 replies)
6.5 Creedmoor - Thinking about it, what say you all? (12 replies)
AR9 - 9MM pistols/sbr (73 replies)
New AR15 build, 6.5 Grendel ??? (41 replies)
224 Valkyrie (9 replies)
B&T APC9 (5 replies)
450 Bushmaster - 5.56 spring and buffer okay? (6 replies)
M&P 15-22 weird cycling (9 replies)
6.5 Grendel mags? (10 replies)
.277 WLV anyone? (5 replies)
not a bayowolf (2 replies)
.45 ACP muzzle device options (7 replies)
Anyone have any experience with (0 replies)
My first build complete! (3 replies)
So my .300 upper arrived with a 1:8 twist instead of 1:7 (10 replies)
300 Blackout barrels - Advice wanted (3 replies)
9mm SBR - Conversion versus new stamp (3 replies)
9mm AR - Colt versus Glock (7 replies)
Is CMMG the best 9mm bolt? (11 replies)
like (4 replies)
6x45 my new rifle. (7 replies)
Bubonic Upper (6 replies)
LAR47 (8 replies)
7.62x39 build (4 replies)
PSA 300 upper not fitting (10 replies)
Can Cannon update (0 replies)
PSA Glock mag fed ARs? (47 replies)
QC10 Lowers In-Stock Locally? (12 replies)
6 grendle and bullet weights (4 replies)
Palmetto State Armory .300 Blackout Upper. Do you own one or have any experience? (8 replies)
50 Beowulf (2 replies)
.300 blackout build? (10 replies)
Ya didn't like the other big caliber ar, so how about 6.5cm? Vs RPR? (4 replies)
6mm Whisper Squirtgun mod (2 replies)
.300blk wasn't big enough. (9 replies)
338 Federal in AR-10 (3 replies)
.30-06 AR (7 replies)
30 Remington AR (1 replies)
.257 H&H aka 25 Grendel (21 replies)
300BLK Upper build advice? please. (20 replies)
Can a Lee 155 punch thru diesel engine? (13 replies)
458 SOCOM Thread. (5 replies)
QC10 MP5 Mag AR (16 replies)
25-45 Sharps (33 replies)
300BLK Subs at 9,300ft (24 replies)
45 Raptor (3 replies)
Quarter Circle 10 (8 replies)
FTF, is this undergassed? .300BLK (7 replies)
.300 blk SBR Suppressed buffer weight (3 replies)
300 BLK OUT 10.5" vs 16" Velocity Data (7 replies)
277 Wolverine (5 replies)
Something new for my 300 BLK. (6 replies)
9mm AR Pistol (24 replies)
6.8spc hunting (8 replies)
Once You Go 300 Blackout (13 replies)
300 Blackout Finished (15 replies)
Accuracy in 22 cal dedicated uppers (10 replies)
Deciding to build a big bore upper. Bolt question. Anybody have experience with the 6BR bolt . (10 replies)
9mm, some very basic questions (not covered in the other 9mm thread...) (24 replies)
New 6.5 Build Range Report (16 replies)
I don't understand the popularity of the 300ACC Blackout (30 replies)
Sheesh. Stupid gas blocks. (15 replies)
What Happens If You Try and Shoot 300 Blackout in a 223? (3 replies)
300BLK Pistol build question (10 replies)
224 Grendel (3 replies)
This looks super cool! (8 replies)
300 BLK problems (13 replies)
300 blackout bolt carrier group (6 replies)
300 BLK LeHigh Defense 110 grain Controlled Chaos Video!!! (0 replies)
300 BLK reloads and new build (25 replies)
'smore other : 300 W/BK/WTF (2 replies)
Help with 9mm mag catch (5 replies)
300 AAC Blackout build and range report (7 replies)
I want,I want,I want .300WM AR (12 replies)
6.5G or 6.8SPC? (16 replies)
Not really AR, but "OTHER" caliber... (2 replies)
More " other " 6mm (5 replies)
300wtf mods? (1 replies)
22 Conversions? (12 replies)
Better-Mag M&P 15-22 Magazine Adaptor (4 replies)
7mm $pendel (5 replies)
What's with the love for 5.45x39 mm ammo? (16 replies)
My first build in the planning/buying stage- Pistol AR Daniel Defense in 300 Blackout (4 replies)
.50 BMG upper (4 replies)
Thumper (14 replies)
6.5 grendel forum (7 replies)
9mm AR couple questions (37 replies)
.22 LR Uppers, accuracy and ammo questions (15 replies)
Can a .50 BMG belt fed upper be built? (10 replies)
Newbie help here with 6.5 Grendel (9 replies)
New 6.8 Owner (17 replies)
colt le901 (1 replies)
AR in .223 WSSM (0 replies)
9mm questions (4 replies)
9mm AR (16 replies)
stag model 7 opinions? (6 replies)
Tactilite 50bmg spartan upper. Anybody have one? (0 replies)
Safety Harbor .50 (11 replies)
Adams Arms 5.45 (14 replies)
Looking for a .300aac upper instock (15 replies)
Anyone shooting a 6mmAR or 6mmARTurbo (6 replies)
AR Performance moved? (1 replies)
Left handed 300 blackout? (15 replies)
Help a 6.8mm newbie understand all the variations?? (5 replies)
6.5 Grendel er 6.8 SPC (3 replies)
One rifle to rule them all... (27 replies)
7.62x40 WT? Just for fun discussion. (5 replies)
.410 upper (9 replies)
300 BLK Suppressed Build Question (15 replies)
Huldra arms 5.45x39 (29 replies)
6.5 or 6.8? (46 replies)
Best 7.62x39 upper? (4 replies)
458 SOCOM AR-15 (132 replies)
2012 6.8 SPC Discussion Thread... Can we please start over? (26 replies)
6.8 spc, 6.5 grendel, or 308 win (4 replies)
AR 57 upper (6 replies)
DPMS A10 value?? (3 replies)
6.5 Grendel (8 replies)
6mm-223 (137 replies)
"Other" caliber opinions (17 replies)
9mm AR Carbine? (17 replies)
anybody got an ar10 in 6.5-284 (10 replies)
.50 bmg upper for ar plattform (14 replies)
450 Bushmaster (34 replies)
Twanging stock. (11 replies)
Found a great place (2 replies)
shooting the 450 bushmaster? (4 replies)
300 AAC Blackout (124 replies)
.45 ACP Upper (6 replies)
First 6.8!!! (4 replies)
6.8 REM ammo/mag questions (1 replies)
40 S&w (7 replies)
quick ar-10 question (7 replies)
Most economic large caliber? 22lr? (1 replies)
300 whisper upper info (6 replies)
AR15 for 7.62x39 (24 replies)
300 whisper through a gemtech 9mm can? (3 replies)
6x45 ammo from Les Baeur (0 replies)
12 gauge "grenade launcher" for ar15 (7 replies)
Lmt .308 Mws (1 replies)
6.5 Turbo? (0 replies)
.308 AR and other caliber questions (6 replies)
other wildcats based on 223 (2 replies)
22-250 (4 replies)
.410 upper (1 replies)
LR-308 vs. Remington R-25? (15 replies)
AR 57 Build (4 replies)
The Whole AR15 Language (6 replies)
Wssm? (2 replies)
Beowulf (13 replies)
300 whisper vs 300 fireball (13 replies)
Upper for SW M&P 15R 5.45 x 39 (3 replies)
Advice on .308 AR (5 replies)
Death of the 6.8SPC Spec II (21 replies)
50 bmg upper questions (2 replies)
Rare Colt factory 9mm carbine? (5 replies)
6.8x43mm Remington SPC round (5 replies)
Different calibers in the AR platform? (24 replies)
.300 Fireball (4 replies)
.204 Ruger (2 replies)
Building a .308 -> Barrel length advice (9 replies)
New Colt Ar 22lr (10 replies)
6.5 Grendel? (14 replies)
Plain-jane 6.8SPC upper (12 replies)
Build#6/18" 6.8 and some load data (13 replies)
Thinking (12 replies)
SBR caliber? (5 replies)
AR in 308? Details on how to? (6 replies)
What do you think about building a 5.45x39? (6 replies)
9mm upper thoughts (11 replies)
7.62x39 vs .308 (12 replies)
Recommendations for a .22 LR Upper? (10 replies)
Saw this on cheaper than dirt... (3 replies)
1st outing w/Cardinal bbl 12" 6.8spc (0 replies)
Dedicated .22lr uppers (2 replies)
My new .22 upper (2 replies)
200 grain bullets at 2600ft/sec (0 replies)
Olympic K9GL / 9mm AR (0 replies)
AR-57 Uppers in 5.7!! (2 replies)
Olympic K9GL (5 replies)
A2 -vs- A4 (in pistol-caliber) (1 replies)
Indoor use -- 9mm -vs- 223 (6 replies)
9mm AR Build Review (0 replies)
Anyone else ? (1 replies)
.45 Cal uppers (4 replies)
7.62 x 25 Uppers? (1 replies)
.50 cal uppers - accuracy and effective range? (5 replies)
What's Up With 6.5 Grendel? (5 replies)
"Ideal" 9mm bbl length? (12 replies)
6x45mm......What do you know?....... (6 replies)