3 PRONG FLASH HIDER FOR AR10/LR308, SERVES AS SUPPRESSOR ADAPTER FOR SOCOM 7.62 SUPPRESSORS. 5/8X24 THREAD

3 PRONG FLASH HIDER FOR M4/M16/AR VARIANTS, SERVES AS SUPPRESSOR ADAPTER FOR SOCOM 5.56 SUPPRESSORS. 1/2X28 THREADS

ADAPTER 3-LUG MP5 QD 1/2-28

ALEXANDER .50 BEOWULF MILLENNIUM COMPENSATOR

ALEXANDER .50 BEOWULF PEPPER POT MUZZLE BRAKE

ALEXANDER .50 BEOWULF TANK MUZZLE BRAKE

ANGSTADT 3 LUG 9MM A1 FLASH HIDER 1/2X28

ANGSTADT 3 LUG 9MM BLAST CAN FLASH CAN

ANGSTADT 3 LUG 9MM DUAL CHEVRON BRAKE 1/2X28

ANGSTADT FLASH HIDER 3-LUG 9MM 1/2X36 TPI BLACK

ARMALITE M15 MUZZLE BREAK 3 GUN WITH TUNING SCREWS

ARS FLASH HIDER 4 PORT EGG BEATER BIRDCAGE

ARS MUZZLE BRAKE 7.62X39 24X1.5MM RH THREAD SS

ARSENAL AK47/74 ELEVATION TOOL BLK

ARSENAL MUZZLE BRAKE AK-352US FOR 7.62X39 14X1MM LH BLACK

ATI HFS RISE MITIGATION MUZZLE BRAKE 5.56X45MM WITH CRUSH WASHER

AUDERE HAMMERHEAD MUZZLE BRAKE .338 CAL 3/4"-24 MATTE BLACK

AUDERE HAMMERHEAD MUZZLE BRAKE .338 CAL 5/8"-24 MATTE BLACK

AUDERE HAMMERHEAD MUZZLE BRAKE 30 CAL 5/8"-24 MATTE BLACK

AUDERE HMB MUZZLE BREAK .30CAL 5/8"-24 MATTE BLACK

AUDERE HMB MUZZLE BREAK .30CAL 5/8"-24 MATTE BLACK

AUDERE QUARTER STROKE MUZZLE BREAK .30 CAL 5/8"-24 BLACK

AUDERE TSO COMPENSATOR 9MM 1/2"-28 MATTE BLACK

BCM GFCMOD0556 BCMGunfighter Compensator Mod 0 5.56x45mm NATO 1/2"-28 tpi Black Stainless Steel

BCM GFCMOD1556 BCMGunfighter Compensator Mod 1 5.56x45mm NATO 1/2"-28 tpi Black Stainless Steel

BCM GFCMOD1762 BCMGunfighter Compensator Mod 1 7.62mm 5/8"-24 tpi Black Stainless Steel

Beretta USA EU00029 Barrel Shroud 9mm 40 S&W 45 ACP Beretta CX4 6061-T6 Aluminum

Bergara Omni Muzzle Brake #1 .30 Cal - OD .750" - Fits Highlander, HMR Pro, Approach

Bergara Omni Muzzle Brake #2 .30 Cal .700" - Fits Ridge

Bergara Omni Muzzle Brake #3 .30 Cal - .840" - Fits Ridgeback, LRP, HMR, BMP

Bergara ST1 Muzzle Brake (Self Timing) - .30 Caliber

Bergara ST1 Muzzle Brake (Self Timing) - 6.5 Caliber

BG RECOIL HAWG MUZZLE BREAK CRKT TUNGSTEN W/2 COLLARS/TOOL

BG SPORTER RECOIL HAWK MUZZLE BREAK B BRONZE.30CAL & SMALLER

BG SPORTER RECOIL HAWK MUZZLE BREAK MATTE BLACK .30CAL SMLLR

BG SPORTER RECOIL HAWK MUZZLE BREAK S STEEL .30CAL & SMALLER

BG SPORTER RECOIL HAWK MUZZLE BREAK TUNGSTEN.30CAL & SMALLER

BLACK RAIN FLASH SUP 556 1/2X28 SLIM

BRO RECOIL HAWG MUZZLE BRAKE BURNT BRONZE

BRO RECOIL HAWG MUZZLE BRAKE MATTE BLK

BRO RECOIL HAWG MUZZLE BRAKE SILVER

BROWNING RECOIL HAWG MUZZLE BREAK SMOKED BRNZ W/TOOL

BROWNING SPORTER RECOIL HAWG MUZZLE BREAK SMOKED BRONZE

CHERRY BOMB MB M13.5X1LH

CHRISTENSEN SIDE BAFFLE BRAKE 1/2-28 STAINLESS!

CHRISTENSEN SIDE BAFFLE BRAKE 5/8-24 STAINLESS!

CMMG COMPENSATOR A2 1/2X28

CVA CASCADE 30CAL 5X8/24

CVA CASCADE 450BUSH 11/16X24

CVA CASCADE 7MM 5X8/24

DAIR KM MICRO FLSH .500-28 SIG

DANIEL DEF. FLASH SUPPRESSOR ASSY. 1/2-28 FOR AR-15

Daniel Defense Flash Suppressor Extended Assy 12-28

DD SUP SUPPRESSION DEVICE 556 1/2X28

Dead Air DA102 Keymount Muzzle Brake 308/7.62 5/8"-24 tpi Steel

Dead Air DA110 KeyMicro Brake Black Nitride 4140 HT Alloy Steel 1/2"-36 Threads 9mm

Dead Air DA301 Flash Hider 5.56x45mm NATO 1/2"-28 tpi 2.70"

Dead Air DA429 KeyMo Black Nitride and Cerakote 17-4 Stainless Steel 1.61" OAL

Dead Air KA180 Nomad-30 Enhanced Brake Black 17-4 Stainless Steel

DEAD AIR KEY MNT MUZZLE BRAKE 3/4X24

DEAD AIR KEY MOUNT FLASH HDR M14X1LH

DEAD AIR KEY MOUNT FLASH HDR M15X1

DEAD AIR KEYMICRO ADPTR (P SERIES) GHOSTM/WOLF9SD/WOLFMAN

DEAD AIR KEYMICRO BRAKE 1/2-28 9MM

DEAD AIR KEYMICRO BRAKE 5/8X24 9MM

DEAD AIR KEYMICRO FH 1/2-28 9MM

DEAD AIR KEYMICRO FH 5/8-24 9MM

DEAD AIR KEYMICRO FH 5/8-24 SIG TAPER .30 CAL

DEAD AIR KEYMICRO FH M13.5X4 LH SIG TAPER 9MM

DEAD AIR KEYMO HUB ADAPTR (R SERIES) 1 3/8-24

DEAD AIR KEYMO MUZZLE BRAKE 1/2-28 .30 CAL

DEAD AIR KEYMO MUZZLE BRAKE 5/8-24 .30 CAL

DEAD AIR P SERIES BOOSTER ASSEMBLY

DEAD AIR XENO A1 OMNI BRAKE 1/2-28 .30CAL

DEAD AIR XENO A1 OMNI BRAKE 5/8-24 .30CAL

DEADAIR DA302 7.62 FLASH HIDER 5/8X24

DIRECT MOUNT ERECTOR9 1/2X28

DIRECT MOUNT ERECTOR9 M13.5-1L

Gemtech 12145 Quickmounts 5.56x45mm NATO Flash Hider 1/2"-28 tpi Black Steel

GEMTECH MM9 LID 1/2-28

GEMTECH QDA THREAD MOUNT 22LR BLK

GEMTECH QUICKMOUNT FH 7.62 1/2-28

GEMTECH QUICKMOUNT MB 5.56 1/2-28

GEMTECH QUICKMOUNT MB 7.62 5/8-24

GERMAN SPORT GUNS M9 X .75 THREADED FAUX SUPPRESSOR FOR 1911 & FIREFLY

GROVTEC MUZZLE THREAD PROTECTOR AR10 300BLK

GROVTEC MUZZLE THREAD PROTECTOR GLOCK 17 19

GROVTEC MUZZLE THREAD PROTECTOR MOST AR15

GROVTEC MUZZLE THREAD PROTECTOR PENCIL BBLS

GROVTEC MUZZLE THREAD PROTECTOR RUG 10/22 BULL

GUNTEC 3 PRONG FLASH HIDER AR15 BLACK

GUNTEC AR10 SLIP OVER FAKE SUPPRESSOR BLACK

GUNTEC AR15 5.56 MUZZLEBRAKE W/ QUICK DETACH BLAST SHIELD

GUNTEC AR15 EXTENDED BOLT CATCH RELEASE BLACK

GUNTEC AR15 FAKE SUPPRESSOR 5.5" 1/2X28 THREADS BLACK

GUNTEC AR15 FAKE SUPPRESSOR SOCOM MINI 1/2X28 TPI BLACK

GUNTEC AR15 FAKE SUPPRESSOR SOCOM STYLE 1/2X28 TPI BLACK

GUNTEC AR15 MICRO FLASH CAN SLIM PROFILE BLACK

GUNTEC AR15 MUZZLE DEVICE CRUSH WASHER

GUNTEC AR15 MUZZLE DEVICE SHIM 4PC KIT 1/2X28

GUNTEC AR15 SLIM FLASH CAN BLACK

GUNTEC AR15 SLIM FLASH CAN TRIDENT W/ GLASS BREAKER BLACK

GUNTEC AR15 SLIM LINE CONE FLASH CAN GEN 2 RAINBOW PVD

GUNTEC AR15 SLIP OVER FAKE SUPPRESSOR BLACK

GUNTEC AR308 FAKE SUPPRESSOR 5.5" 5/8X24 THREADS BLACK

GUNTEC AR308 SLIM FLASH CAN BLACK

GUNTEC AR9 FLASH CAN STUBBY BLACK

GUNTEC AR9 MINI SLIM FLASH CAN W/ GLASS BREAKER BLACK

GUNTEC AR9 SLIM FLASH CAN BLACK

GUNTEC CENTURIAN COMPENSATOR AR15 BLACK

GUNTEC MICRO MULTI PORT COMP AR15 BLACK

GUNTEC MULTI PORT COMPENSATOR AR308 BLACK

GUNTEC PHANTOM A2 FLASH HIDER AR10 BLACK

GUNTEC PREDATOR A1 FLASH HIDER AR15 SHORTY VERSION BLACK

GUNTEC PREDATOR A2 FLASH HIDER AR15 BOTTOM HALF CLOSED BLACK

HELLFIRE 2P SELF TIMING MUZZLE BRAKE

HF HIPERCOMP 556G2 COMPENSATOR GEN2

KEY MOUNT FH FAL 9/16X24 LH

KEY MOUNT FH FAL 9/16X24 RH

KEY MOUNT FH SCAR 16 1/2x28

KEY MOUNT FH SCAR 17 5/8x24

KEYMO MUZZLE BRAKE

KEYMO MUZZLE BRAKE

KNS THREAD ADAPTER AK-47 M14X1.0 LH TO 5/8X24 RH

LANCER NITROUS COMPENSATOR 308 BLACK

LANCER NITROUS COMPENSATOR 556 BLK

LANTAC 223/556 DRAGON MB/QD GEMTECH

LANTAC 223/556 DRAGON MB/QD SC ASR

MANTICORE ECLIPSE 1/2X28 FLASH HIDER FOR AR-15

MANTICORE ECLIPSE 14X1L FLASH HIDER

MANTICORE ECLIPSE 26x1.5L FLASH HIDER FOR YUGO KRINKOV

MANTICORE ECLIPSE 5/8X24 FLASH HIDER FOR AR-10/SR-25

MANTICORE FRONT DETENT KIT FOR YUGO KRINKOV

MANTICORE NIGHTBRAKE 1/2x28 COMPENSATOR FOR AR-15

MANTICORE NIGHTBRAKE 14X1L COMPENSATOR

MANTICORE NIGHTBRAKE 24MM COMPENSATOR FITS MOST AK74

MANTICORE NIGHTBRAKE 26X1.5L COMPENSATOR FITS YUGO KRINKOV

MANTICORE NIGHTBRAKE 5/8x24 COMPENSATOR FOR AR-10/SR-25

MANTICORE REVERB 1/2X28 MUZZLEBRAKE UP TO 9MM

MAXIM HATE BRAKE 7.62 STAINLESS OCTAGON 5/8-24 BLACK

Maxim MXM47707 Hate Brake Octagon 5.56x45mm NATO 1/2"-28 tpi 2.40" Black DLC 17-4 Stainless Steel/6Al-4V Titanium

MFT 3 PRONG PORTED MUZZLE BRAKE 556

MI AK12 MUZZLE BRAKE 1/2 X 28 .30 CALIBER SINGLE CHAMBER

MI AK12 MUZZLE BRAKE M14X1LH .30 CALIBER SINGLE CHAMBER

MI AK12 MUZZLE BRAKE M24X1.5RH .30 CALIBER SINGLE CHAMBER

MI BLAST CAN 1/2-36" THREAD 9MM CALIBER

MI MUZZLE BRAKE TWO CHAMBER 5/8-24" .30 CALIBER

MI MUZZLE DEVICE COLLAR SIG MCX .300 AAC MODELS

MI MUZZLE DEVICE COLLAR SIG MCX 5.56 MODELS

MI MUZZLE DEVICE COLLAR SIG MPX 9MM MODELS

MIDWEST AR15 FLASH HIDER/IMPACT DEVC

MIDWEST BLAST CAN 26MM LH M92/M85

MIDWEST BLAST CAN 5/8X24 30 CAL

MIDWEST BLAST CAN M14X1LH 30 CAL AK

MIDWEST BLAST DIVERTER M92/85

MIDWEST BLAST DIVERTER PISTOL 30 CAL

Midwest Industries MIAR30MB1 AR Muzzle Break 30 Caliber 5/8"-24 tpi Black Phosphate Steel

Midwest Industries MIARMB1 AR Muzzle Break 5.56x45mm NATO 1/2"-28 tpi Black Phosphate Steel

Midwest Industries MIBC556 AR-15 5.56x45mm NATO Muzzle Device 1/2"-28 tpi Black Hardcoat Anodized 6061 Aluminum

Midwest Industries MIPBD AR-15 223 Rem,5.56x45mm NATO Blast Diverter 1/2"-28 tpi Black Phosphate Steel

MIDWEST MB TWO CHAMBER 1/2X28

MOUNTAIN TACTICAL TIKKA T3/T3X CTR RAD BREAK MED LENGTH 6.5CM

MPA COWL INDUCTION MUZZLE BRAKE 30 CALIBER

MPA COWL INDUCTION MUZZLE BRAKE 6.5 CALIBER

MUZZLE BRAKE 80T 50BMG 24X1

MUZZLE BRAKE FOR 5/8-24 THREADS, SERVES AS SUPPRESSOR ADAPTER FOR SOCOM338-Ti SUPPRESSOR

MUZZLE BRAKE FOR AR10/LR308, SERVES AS SUPPRESSOR ADAPTER FOR SOCOM 7.62 SUPPRESSORS. 5/8X24 THREAD

MUZZLE BRAKE FOR M4/M16/AR VARIANTS, SERVES AS SUPPRESSOR ADAPTER FOR SOCOM 5.56 SUPPRESSORS. 1/2X28 THREADS

MUZZLE BRAKE, 5.56MM, CLUTCH-LOK, 25 DEG TAPER

MUZZLE BRAKE, 5.56MM, CLUTCH-LOK, 90 DEG SHOULDER

MUZZLE BRAKE, 7.62MM, CLUTCH-LOK, 25 DEG TAPER

MUZZLE BRAKE, 7.62MM, CLUTCH-LOK, 90 DEG SHOULDER

Noveske 5000517 KX3 5.56x45mm NATO Flash Suppressor 1/2"-28 tpi Black Nitride Steel

ODIN ATLAS 5 COMPENSATOR 5.56 (223 CAL) 1/2-28

ODIN ATLAS 6.5 COMPENSATOR 6.5 GRENDEL 5/8-24

ODIN ATLAS 7.62 COMPENSATOR 7.62 (30 CAL) 5/8-24

ODIN ATLAS 9 COMPENSATOR 9MM 1/2-28

ODIN ATLAS 9 COMPENSATOR 9MM 1/2-36

ODIN ATLAS BLAST SHIELD S/S FITS ODIN ATLAS COMPENSATORS

OSS HX-QD MUZZLE BRAKE 1/2x28

OSS HX-QD MUZZLE BRAKE 338 5/8-24

OSS HX-QD MUZZLE BRAKE 762 M14X1 LH

PAC-LITE/RUGER~ MK I-IV & 22/45 PERFORMANCE COMPENSATOR

Patriot Ordnance Factory 00308 Triple Port 223 Rem,5.56x45mm NATO Muzzle Brake 1/2"-28 tpi Black Nitride Steel

Patriot Ordnance Factory 00309 Triple Port 308 Win,7.62x51mm NATO Muzzle Brake 5/8"-24 tpi Black Nitride Steel

Phase 5 Weapon Systems FATMAN5/8 FATman Hex Brake 7.62mm Muzzle Brake 5/8"-24 tpi Black Parkerized Steel

Phase 5 Weapon Systems FATMAN556 FATman Hex Brake 5.56x45mm NATO 1/2"-28 tpi 3" Black Parkerized Steel

PHASE5 LITTLE BOY HEX BRAKE 556 BLK

PORTED 3 PRONG FLASH HIDER FOR REDUCING MUZZLE RISE, SERVES AS A SUPPRESSOR ADAPTER FOR 556 SOCOM SUPPRESSORS WITH 1/2-28 THREAD

PORTED 3 PRONG FLASH HIDER FOR REDUCING MUZZLE RISE, SERVES AS A SUPPRESSOR ADAPTER FOR 7.62 SOCOM SUPPRESSORS WITH 5/8-24 THREADS

Q WHISTLE TIP BLAST MITIGATION DEV

QUICKMOUNT 7.62MM CC MB M15X1

Rise Armament RA701223BLK RA-701 223 Rem,5.56x45mm NATO 1/2"-28 tpi 2.50" Black Nitride 416 Stainless Steel

RUGER D M2 BRAKE 1/2x28

SAKO MUZZLEBRAKE TRG 22/42/M10 PHOSPHATE

SANDMAN E-BRAKE ENHANCED

SCO ASR 7.62 MB 9/16X24 RH

SHAS MR/DR/XR THREAD ON COMPENSATOR

SilencerCo AC1282 ASR Muzzle Brake 30 Cal 1/2"-28 tpi Black

SilencerCo AC1283 ASR Flash Hider 7.62mm 1/2"-28 tpi Steel

SilencerCo AC141 ASR 223 Rem,5.56x45mm NATO Flash Hider 1/2"-28 tpi Black Steel

SilencerCo AC142 ASR 5.56x45mm NATO Muzzle Brake 1/2"-28 tpi Black Steel

SilencerCo AC1557 ASR 458 Caliber Muzzle Brake 5/8"-32 tpi Black Steel

SilencerCo AC1561 ASR 9mm Flash Hider 13.5x1 LH tpi Black Steel

SilencerCo AC1562 ASR 9mm Luger Flash Hider 1/2"-36 tpi Black Steel

SilencerCo AC1570 ASR 9mm Luger Flash Hider 1/2"-28 tpi Black Steel

SilencerCo AC1733 ASR 458 Caliber Muzzle Brake 5/8"-24 tpi Black Steel

SilencerCo AC2081 Bravo Anchor Brake 458 Caliber Black Aluminum

SilencerCo AC2447 3-Lug Mount 9mm Luger Black Steel

SilencerCo AC2448 3-Lug Mount 45 ACP Black Steel

SilencerCo AC2604 3-Lug Muzzle Device 9mm 1/2x28" Threads Black

SilencerCo AC2628 ASR Single Port 9mm Luger Muzzle Brake 1/2"-28 tpi Black Steel

SilencerCo AC4751 Charlie Piston Mount Steel

SilencerCo AC4752 ASR Muzzle Brake 6.5 Cal,270 Cal 5/8"-24 tpi Black Steel

SilencerCo AC4753 ASR Muzzle Brake 6.5 Cal,270 Cal 1/2"-28 tpi Black Steel

SilencerCo AC590 ASR Flash Hider 30 Cal 5/8"-24 tpi Steel

SilencerCo AC591 ASR 30 Cal 5/8"-24 tpi Steel

SilencerCo AC857 ASR 338 Cal Muzzle Brake 5/8"-24 tpi Black Steel

SilencerCo AC858 ASR 338 Cal Muzzle Brake 3/4"-24 tpi Black Steel

SILENCERCO HYBRID ASR MB 11/16X24 .46

SYLVAN 9MM GLOCK COMPENSATOR 1/2X28

TACSOL COMPENSATOR 1 SS RUG MK & PAC-LITE BBLS

TACSOL COMPENSATOR PERFORMANCE 10/22 .920" 1/2X28 TPI M. BLK

Tactical Solutions 1022CMPMB X-Ring Compensator 1/2"-28 tpi Black 6061-T6 Aluminum

Tactical Solutions PLCMPMB Pac-Lite OD Compensator 22 LR, Ruger 22/45, Ruger Mark I, II, III, IV Matte Black Aluminum 1/2"-28 tpi

Tactical Solutions TLCMP02 Trail-Lite Compensator Buckmark .900" 6061-T6 Aluminum

THREAD CAP MARK 23

TP9/MP9 Suppressor Tri-lug Conversion Adapter

TRI-LOCK 338LAP MB 3/4-24

TRI-LOCK 338LAP MB 5/8-24

TRI-LOCK 338LAP MB M18X1.5 RH

Troy Ind SSUPMED05BT00 Medieval 223 Rem,5.56x45mm NATO Muzzle Brake 1/2"-28 tpi Black Steel

TRUE PRECISION MINI COMPENSATR 1/2X28 BLACK NITRIDE

TRUE PRECISION MINI COMPENSATR 1/2X28 COPPER

TRUE PRECISION MINI COMPENSATR 1/2X28 GOLD TIN

ULTRADYNE 556 X ONE RH ADJUST COMPENSATE 1/2X28

ULTRADYNE UD10220 Apollo S Compensator 223 Rem,5.56x45mm NATO Black Nitride 416 Stainless Steel 1/2"x28 tpi

Ultradyne UD10240 Pegasus 6.5 260 Rem 25-06 Rem 257 Wthby Mag 6mm Rem 257 Roberts 26 Nosler 264 Win Mag 243 WSSM 6.5 Cal 264 Cal 260 Cal 5/8"-24 tpi 2.41" Black Nitride 416 Stainless Steel

ULTRADYNE UD11190 Apollo LR 300 Win Mag 5/8"-24 tpi Black Nitride 416 Stainless Steel

WARDEN BLAST REGULATOR 1/2-28 THREAD-ON BLACK

WARDEN-BLAST REGULATOR, MULTI CALIBER, BLACK

WARDEN-BLAST REGULATOR, MULTI CALIBER, DARK EARTH

WHEELER AR15 RECEIVER LINK ADJ

XENO MOUNT PISTOL WEE BRAKE

Yankee Hill 26MBA Slant 5.56 NATO Muzzle Brake 1/2"-28 tpi Black Steel

Yankee Hill 285C1 Phantom Flash Hider 5.56x45mm NATO 1/2"-28 tpi 2.13" Steel

Yankee Hill 285C2 Phantom Flash Hider with Teeth 5.56x45mm NATO 1/2"-28 tpi Steel

Yankee Hill 3085MBA Slant 30 Cal Muzzle Brake 5/8"-24 tpi Black Steel

Yankee Hill 3102-1MB-24A Mini Phantom Q.D. Muzzle Brake 30 Cal 5/8"x24 Black Melonite Steel

Yankee Hill 3102-1MB-28A Mini Phantom Q.D. Muzzle Brake 223 Rem,5.56 NATO 1/2"x28 Black Melonite Steel

Yankee Hill 310228A Phantom 5.56 NATO QD Flash Hider 1/2"-28 tpi Black Steel

Yankee Hill 430224A Phantom Q.D. Flash Hider 30 Cal 5/8"-24 tpi Steel

Yankee Hill 5M2QD QD 5.56x45mm NATO 1/2"-28 tpi 2.50" Steel

YHM .308 FLASH SUPRESSOR WITH TEETH

YHM 5C2 FLASH HIDER COMP 6.8MM 7.62X39 9MM

YHM BLAST DEFLECTOR FOR YHM-3102

YHM BLAST DEFLECTOR FOR YHM-3302

YHM LOW PROFILE FLASH HIDER 5.56MM FOR 1/2X28 THREADS

YHM LOW PROFILE MUZZLE BRAKE 5.56MM FOR 1/2X28 THREADS

YHM PHANTOM MUZZLE BRAKE 5.56 SMOOTH 1/2X28 THREADS

YHM PHANTOM MUZZLE BRAKE AR15 AGGRESSIVE

YHM SLANT BRAKE/COMP 1/2-36 9MM

ZEV COMPPROV2B Pro V2 9mm Luger Compensator 1/2"-28 tpi Black Steel