Firearms
Rainier Arms provide a large choice of rifles, shotguns, handguns, Bolt Action, AK rifles, and AR pistols. Find, compare, and shop your favorite. In our offer, you can find firearms from manufacturers like Daniel Defense, Kalashnikov USA, Nighthawk Custom, and many many more. In case you run out of ammo, you can browse and purchase ammo for your firearm.

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Battle Arms Development Workhorse 5.56 NATO Pistol - 10.5" Anodized Black5.0 star rating 3 ReviewsSpecial Price $749.99 Regular Price $1,199.00
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FNH USA SCAR 20S NRCH 7.62x51mm Rifle - 20" Black★ ReviewsPopup content startsclose Popup
These are real reviews
from real shoppers4.8 star rating 30645 Reviews- Site Reviews
- Product Reviews
Thank you for posting a review!We value your input. Share your review so everyone else can enjoy it too.Thank you for posting a review!Your review was sent successfully and is now waiting for our staff to publish it.Verified Reviewer0.0 star rating07/10/25SSteven R.Verified Buyer5.0 star rating07/09/25Loose mag fit on 5. 7 buildsReview by Steven R. on 9 Jul 2025 review stating Loose mag fit on 5. 7 buildsIf you build a 5. 7 be prepared for a VERY loose fitting magazine. I cured that with a cut off brass machine screw I threaded into a drilled and tapped hole in the front edge of the mag. Now she's tight. RANIER had the best price and picked up the ball when USPS lost my package (again, bastards), Someone will own a fine custom gun soon. Wish I could post pics.On Sharps Bros Hellbreaker AR-15 Lower Receiver - Gen 2BBeau W.Verified Buyer5.0 star rating07/09/25A Functional Flash SuppressorReview by Beau W. on 9 Jul 2025 review stating A Functional Flash SuppressorYou can't even see a flash from the shooter's perspective firing at dusk through a . 357 lever gun. , and it's a rosebud to anyone else. I like it a lot.On Next Level Armament 9mm Hi-Helix Flash HiderJJason Y.Verified Reviewer5.0 star rating07/08/2518" mod 2 223 wylde ultramatchReview by Jason Y. on 8 Jul 2025 review stating 18" mod 2 223 wylde ultramatchOkay so barrel is broken in. This barrel is unbelievably accurate. Printed groups at 100,300,500 today and the verdict is in. WOW! 100 yards 3 shot measured 3/8", 300 yard 3 shot 7/8" and 500 yard measured under 2". Absolutely incredible. More accurate that most big bolt guns.On Rainier Arms Ultramatch MOD2 .223 Wylde AR-15 Barrel - 18" NitrideRRaulVerified Buyer5.0 star rating07/08/25RAINIER ARMS AR-15 FORGED LOWER RECEIVERReview by Raul on 8 Jul 2025 review stating RAINIER ARMS AR-15 FORGED LOWER RECEIVERRAINIER ARMS AR-15 FORGED LOWER RECEIVER - hands down one of the tightest fitting receiver when paired with Rainier Arms forged upper receiver! I had to use a mallet to take it apart! Anodizing was perfect with deep black finish! Would definitely recommend!On Rainier Arms AR-15 Forged Lower ReceiverTTony P.Verified Buyer5.0 star rating07/07/25Nomad Frames Rock. . !!Review by Tony P. on 7 Jul 2025 review stating Nomad Frames Rock. . !!Nomad Frames Rock. . !!On Nomad 9F Enhanced Frame For Glock 17 Gen 5$4,829.00 -
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Zev Technologies AR-15 Core Duty Rifle - 16"4.0 star rating 1 ReviewSpecial Price $999.92 Regular Price $1,564.00
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Shadow Systems MR920L Elite 9mm Pistol w/ Optic Cut - Black (DLC)Special Price $799.92 Regular Price $999.00
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Danger Close Armament CZ P-10C Silicon Carbide Signature 9mm Pistol - Sig Grey/TiNSpecial Price $699.99 Regular Price $1,024.00
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Danger Close Armament CZ P-10C Silicon Carbide Signature 9mm Pistol - Glock FDE/TiNSpecial Price $699.99 Regular Price $1,024.00
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Riley Defense RAK74-P 5.45x39 Rifle - Polymer 16.25"Special Price $1,059.00 Regular Price $1,179.00
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Shopping Options
Barrel Length
- 2" 3 items
- 2.5" 1 item
- 2.75" 1 item
- 3.0" 11 items
- 3.1" 16 items
- 3.18" 1 item
- 3.25" 2 items
- 3.27" 1 item
- 3.3" 1 item
- 3.39" 1 item
- 3.41" 10 items
- 3.43" 1 item
- 3.5" 16 items
- 3.54" 1 item
- 3.6" 5 items
- 3.66" 1 item
- 3.7" 10 items
- 3.75" 2 items
- 3.8" 4 items
- 3.85" 4 items
- 3.9" 35 items
- 3.94" 1 item
- 4" 37 items
- 4.01" 1 item
- 4.02" 12 items
- 4.09" 2 items
- 4.1" 1 item
- 4.17" 6 items
- 4.20" 1 item
- 4.25" 62 items
- 4.3" 7 items
- 4.32" 1 item
- 4.4" 18 items
- 4.45" 2 items
- 4.46" 1 item
- 4.48" 2 items
- 4.49" 8 items
- 4.5" 19 items
- 4.53" 1 item
- 4.57" 1 item
- 4.6" 18 items
- 4.61" 1 item
- 4.7" 24 items
- 4.71" 1 item
- 4.78" 1 item
- 4.8" 13 items
- 4.89" 3 items
- 4.9" 4 items
- 4.925" 1 item
- 4.94" 1 item
- 5" 101 items
- 5.09" 1 item
- 5.1" 3 items
- 5.19" 2 items
- 5.2" 1 item
- 5.28" 2 items
- 5.3" 2 items
- 5.31" 2 items
- 5.4" 4 items
- 5.5" 11 items
- 5.51" 1 item
- 5.8" 3 items
- 5.87" 1 item
- 6" 9 items
- 6.5" 4 items
- 6.88" 2 items
- 7" 5 items
- 7.5" 3 items
- 7.72" 1 item
- 7.75" 3 items
- 7.8" 2 items
- 7.94" 1 item
- 8" 17 items
- 8.3" 3 items
- 8.5" 5 items
- 8.86" 2 items
- 8.9" 1 item
- 9" 3 items
- 9.5" 1 item
- 9.6" 1 item
- 9.75" 2 items
- 10" 2 items
- 10.3" 9 items
- 10.5" 15 items
- 11" 5 items
- 11.5" 12 items
- 11.75" 4 items
- 12" 3 items
- 12.5" 5 items
- 13" 6 items
- 13.7" 6 items
- 13.75" 2 items
- 13.9" 1 item
- 14" 1 item
- 14.17" 2 items
- 14.3" 1 item
- 14.5" 18 items
- 15.14" 1 item
- 16" 97 items
- 16.1" 11 items
- 16.17" 2 items
- 16.2" 1 item
- 16.25" 21 items
- 16.3" 5 items
- 16.33" 3 items
- 16.5" 28 items
- 17.4" 2 items
- 18" 23 items
- 18.43" 1 item
- 18.5" 32 items
- 19.1" 4 items
- 19.75" 1 item
- 20" 12 items
- 20.8" 1 item
- 22" 4 items
- 24" 10 items
- 26" 6 items
- 28" 3 items
Caliber
- .22 ARC 1 item
- .22 Cal 4 items
- .22 LR 37 items
- .22 WMR 1 item
- .223/5.56 2 items
- .223 Rem 1 item
- .223 Wylde 18 items
- .30-30 3 items
- .30 Cal 16 items
- .300 PRC 1 item
- .300 Win Mag 2 items
- .308 11 items
- .308 Win 13 items
- .32 ACP 1 item
- .338 1 item
- .357 Magnum 27 items
- .36 Cal 2 items
- .38/.357 Magnum 7 items
- .38 Special 1 item
- .380 ACP 2 items
- .380 Auto 2 items
- .40 S&W 1 item
- .410 1 item
- .44 Magnum 10 items
- .45-70 GOVT 1 item
- .45 ACP 39 items
- .45 Colt 6 items
- .46 Cal 1 item
- 10mm 12 items
- 12 Gauge 51 items
- .360 1 item
- 300 Blackout 26 items
- 300 Norma Mag 1 item
- 338 Lapua 1 item
- .460 1 item
- 45-70 Gov't 2 items
- 50 Cal 1 item
- 5.45x39 6 items
- 5.56X45 6 items
- 5.56 NATO 136 items
- 5.56mm 21 items
- 5.7x28mm 8 items
- 6mm ARC 8 items
- 6.5 Creedmoor 13 items
- 6.5 PRC 1 item
- 6.8x51 3 items
- 7.62mm 19 items
- 7.62x39 35 items
- 7.62x51 13 items
- 7mm-08 Rem 1 item
- 8.6 Blackout 8 items
- 9mm 528 items
Category
Configuration
Finish
Gas System
Magazine Capacity
Manufacturer
- 21st Tec 8 items
- Advanced Armament Company (AAC) 5 items
- Agency Arms 2 items
- Andro Corp Industries 1 item
- Angstadt Arms 3 items
- AREX Defense 11 items
- Arsenal 8 items
- Atlas Gunworks 11 items
- Brügger & Thomet (B&T) 14 items
- Battle Arms Development 4 items
- Benelli 24 items
- Beretta 26 items
- Black Rain Ordnance 12 items
- BOE Suppression 3 items
- Bravo Company MFG (BCM) 5 items
- Bul Armory 8 items
- Canik 7 items
- Centurion Arms 1 item
- Chiappa Firearms 9 items
- Christensen Arms 1 item
- Citadel 1 item
- Colt 19 items
- CZ-USA 32 items
- Dan Wesson 2 items
- Daniel Defense 19 items
- Danger Close Armament 19 items
- Dark Hour Defense 1 item
- Dead Air Armament 11 items
- Empire 4 items
- F-1 Firearms 2 items
- Faxon Firearms 3 items
- FNH USA 34 items
- FOR Systems 4 items
- FosTecH 2 items
- Foxtrot Mike 2 items
- Geissele 7 items
- Genesis Arms 5 items
- Global Ordnance 1 item
- Glock 29 items
- Grand Power 16 items
- Grey Birch MFG 4 items
- Grey Ghost Precision 3 items
- Griffin Armament 8 items
- Grit City Cerakote 1 item
- Heckler & Koch 39 items
- Henry 10 items
- HUXWRX 10 items
- IWI 15 items
- Jacob Grey 5 items
- JK Armament 9 items
- JMAC Customs 2 items
- JP Enterprises Inc 6 items
- Kalashnikov USA 1 item
- Kel-Tec 5 items
- Kimber 2 items
- Kings River Custom 3 items
- Knight’s Armament Company (KAC) 5 items
- Korth 1 item
- Kustomworx 4 items
- Laugo Arms 11 items
- Lewis Machine & Tool (LMT) 14 items
- Lone Wolf Arms 3 items
- M+M Industries 2 items
- Marlin 7 items
- MasterPiece Arms 8 items
- Matador Arms 2 items
- Maxim Defense 17 items
- Military Armament Corp. 1 item
- Modern Materiel 7 items
- Mossberg 1 item
- NEMO Arms 2 items
- Next Level Armament 5 items
- Nighthawk Custom 46 items
- Noveske 14 items
- OA Defense 28 items
- Patriot Ordnance Factory (POF) 17 items
- Phoenix Trinity 8 items
- Polymer80 3 items
- Primary Weapon Systems 15 items
- Pristine Technologies 1 item
- Q, LLC 25 items
- Quarter Circle 10 1 item
- Race City Defense 2 items
- Radian Weapons 2 items
- Radical Defense 19 items
- Rainier Arms, LLC 12 items
- Remington 3 items
- Replicator 3 items
- Richmond Tactical 4 items
- Riley Defense 14 items
- Rise Armament 2 items
- RogueOps 3 items
- Rossi 8 items
- Ruger 5 items
- Rugged Suppressors 6 items
- Shadow Systems 28 items
- Siege Suppressors 2 items
- Sig Sauer 132 items
- Silencerco 13 items
- Sionics Weapon Systems 1 item
- Smith & Wesson 5 items
- Sons of Liberty Gun Works 3 items
- Specters Cat 5 items
- Springfield Armory 21 items
- Staccato 52 items
- Stealth Arms 4 items
- Stoeger 15 items
- Surefire 5 items
- Taran Tactical Innovations 3 items
- Tippmann Arms 10 items
- Tisas USA 3 items
- Trailblazer Firearms 1 item
- Trinity Nevada 3 items
- True Precision 3 items
- Uberti 2 items
- V Seven Weapon Systems 9 items
- VKTR Industries 4 items
- Vudoo Gun Works 1 item
- Walther 17 items
- Wilson Combat 6 items
- Wolfpack Armory 2 items
- Zenith Firearms 4 items
- ZEV Technologies 1 item
Model
- 2K11 1 item
- Arex Delta 2 items
- Benelli Supernova 1 item
- Beretta 92X 2 items
- Beretta APX 1 item
- Beretta 1301 1 item
- CZ P-09 2 items
- CZ P-10 5 items
- FNH Five-Seven 1 item
- FNH Scar 1 item
- Glock 19 2 items
- Glock 19X 2 items
- Glock 20 1 item
- Glock 34 1 item
- Glock 43X 3 items
- Glock 44 1 item
- Glock 45 2 items
- Glock 48 1 item
- H&K P30 1 item
- Sig P220 5 items
- Sig P226 6 items
- Sig P229 5 items
- Sig P320 17 items
- Sig P365 8 items
- Sig P365X 2 items
- Sig P365XL 2 items
- Sig P365 X-Macro 1 item
- Sig MCX 10 items
- S&W M&P M2.0 1 item
- Springfield Hellcat 1 item
- Staccato 2011 14 items
- Staccato C2 2 items
- Staccato CS 1 item
- Staccato HD 3 items
- Stoeger STR-9 1 item
Optic Footprint
Option
Platform
- 1911 12 items
- AR-9 2 items
- AR-10/LR308 9 items
- AR-15 58 items
- AK47/74 13 items
- Benelli 5 items
- Beretta 11 items
- Canik 5 items
- CZ 12 items
- FNH 7 items
- Glock 15 items
- H&K 4 items
- Kimber 1 item
- Remington 1 item
- Sig Sauer 68 items
- Smith & Wesson 3 items
- Springfield 4 items
- Staccato 23 items
- Stoeger 1 item
- Walther 4 items
Product Type
- AK Pistol 9 items
- AK-47/74 Rifle 26 items
- AR Pistol 42 items
- AR-10 Rifle 25 items
- AR-15 Complete Upper Receiver 1 item
- AR-15 Rifle 120 items
- AR-9 Complete Lower Receiver 1 item
- AR-9 Rifle 3 items
- Bolt-Action Receiver 2 items
- Bolt-Action Rifle 24 items
- Complete Upper 1 item
- Firearm 57 items
- Handgun 577 items
- Lever-Action Rifle 24 items
- Pistol Caliber Carbine 63 items
- Short-Barrel Rifle 34 items
- Shotgun 47 items
- Suppressor 132 items
Rail Length
- 4.5" 2 items
- 5.5" 1 item
- 6.0" 2 items
- 6.7" 1 item
- 7" 4 items
- 7.25" 1 item
- 9" 5 items
- 9.5" 2 items
- 9.75" 5 items
- 10" 1 item
- 10.5" 1 item
- 10.75" 1 item
- 11" 1 item
- 11.5" 1 item
- 11.7" 1 item
- 12" 7 items
- 12.5" 5 items
- 13" 5 items
- 13.5" 7 items
- 13.6" 1 item
- 14" 1 item
- 14.5" 4 items
- 15" 18 items
- 15.25" 1 item
- 16.5" 4 items
Size
Thread Pitch
Twist Rate
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