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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Benelli M4 Tactical Pistol Grip Semi-Auto 12 Gauge Shotgun - 18.5" Titanium Cerakote★ ReviewsPopup content startsclose Popup
These are real reviews
from real shoppers4.8 star rating 30296 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 rating03/16/25AAvery B.Verified Buyer5.0 star rating03/16/25GripReview by Avery B. on 16 Mar 2025 review stating GripGreat grip ergonomicaly feels good in your hand better rifle control when shoulderedOn Driven Arms Co. AR15 Beavertail Vertical Crossover GripJJjack20035.0 star rating03/15/25Easily worth itReview by Jjack2003 on 15 Mar 2025 review stating Easily worth itFrequently seen good prices on this firearm although at the current time, particularly at rainier, the price is outstanding. Very solid firearm. Shoot it better than the p 365,,, feel like I can keep my support hand on this better throughout a shot string. Most familiar with Glocks,, and I do enjoy this. Also got a M size frame, which I should even a little better. Magazines are affordable. Fits several different Glock holsters fairly well, particularly those that are light bearing.On AREX Defense Delta X Gen 2 9mm Optic Ready Pistol - BlackRRyan B.Verified Buyer5.0 star rating03/15/25A worthwhile upgrade.Review by Ryan B. on 15 Mar 2025 review stating A worthwhile upgrade.A worthwhile upgrade.On Nomad 9X Enhanced Frame For Glock 19X Gen 5JJosh f.Verified Buyer5.0 star rating03/15/25Love itReview by Josh f. on 15 Mar 2025 review stating Love itLove itOn Sharps Bros Badlands Muzzle Brake & Blast DeflectorTTyler M.Verified Buyer5.0 star rating03/15/25One perfect upgrade!Review by Tyler M. on 15 Mar 2025 review stating One perfect upgrade!A very well defined upgrade for your Glock pistol. Perfect for mag changes after hand transitions.On Rainier Arms MARS (Magazine Advanced Release System) for Glock Gen 1-3$2,099.00 -
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Wilson Combat WCP320 Full 9mm Pistol w/ Action Tuned Straight Trigger - Tan5.0 star rating 3 ReviewsSpecial Price $999.92 Regular Price $1,425.00
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Wilson Combat WCP320 Full 9mm Pistol w/ Action Tuned Straight Trigger - Black5.0 star rating 6 Reviews$1,425.00
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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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Andro Corp Industries AC-9 9mm Complete Lower Receiver - No Stock4.8 star rating 4 ReviewsSpecial Price $149.99 Regular Price $389.99
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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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Shopping Options
Barrel Length
- 2" 3 items
- 2.5" 1 item
- 3.0" 11 items
- 3.1" 17 items
- 3.18" 1 item
- 3.25" 6 items
- 3.27" 1 item
- 3.39" 1 item
- 3.41" 10 items
- 3.43" 1 item
- 3.5" 15 items
- 3.54" 1 item
- 3.6" 5 items
- 3.66" 1 item
- 3.7" 9 items
- 3.75" 2 items
- 3.8" 3 items
- 3.85" 4 items
- 3.9" 36 items
- 3.94" 1 item
- 4" 37 items
- 4.01" 1 item
- 4.02" 11 items
- 4.09" 2 items
- 4.1" 1 item
- 4.17" 7 items
- 4.20" 1 item
- 4.25" 56 items
- 4.3" 8 items
- 4.32" 2 items
- 4.37" 1 item
- 4.4" 18 items
- 4.45" 2 items
- 4.46" 1 item
- 4.48" 2 items
- 4.49" 8 items
- 4.5" 20 items
- 4.53" 1 item
- 4.57" 1 item
- 4.6" 18 items
- 4.61" 1 item
- 4.7" 23 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" 100 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" 5 items
- 5.5" 12 items
- 5.51" 1 item
- 5.8" 2 items
- 5.87" 1 item
- 6" 8 items
- 6.02" 1 item
- 6.5" 3 items
- 6.88" 2 items
- 7" 5 items
- 7.5" 3 items
- 7.72" 1 item
- 7.75" 3 items
- 7.8" 1 item
- 7.94" 1 item
- 8" 18 items
- 8.3" 1 item
- 8.5" 5 items
- 8.86" 2 items
- 8.9" 1 item
- 9" 3 items
- 9.25" 3 items
- 9.5" 1 item
- 9.6" 1 item
- 9.75" 2 items
- 10" 2 items
- 10.3" 9 items
- 10.5" 13 items
- 11" 5 items
- 11.5" 11 items
- 11.75" 4 items
- 12" 1 item
- 12.4" 2 items
- 12.5" 5 items
- 13" 5 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" 17 items
- 15.14" 1 item
- 16" 96 items
- 16.1" 13 items
- 16.17" 2 items
- 16.2" 1 item
- 16.25" 20 items
- 16.3" 5 items
- 16.33" 9 items
- 16.5" 28 items
- 17.4" 2 items
- 18" 19 items
- 18.43" 1 item
- 18.5" 29 items
- 19.1" 3 items
- 19.75" 1 item
- 20" 11 items
- 20.8" 1 item
- 22" 6 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 23 items
- .30-30 3 items
- .30 Cal 17 items
- .300 PRC 1 item
- .300 Win Mag 2 items
- .308 11 items
- .308 Win 12 items
- .338 1 item
- .357 Magnum 26 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 3 items
- .410 1 item
- .44 Magnum 10 items
- .45-70 GOVT 1 item
- .45 ACP 40 items
- .45 Colt 7 items
- .46 Cal 1 item
- 10mm 12 items
- 12 Gauge 45 items
- .360 1 item
- 300 Blackout 23 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 11 items
- 5.56 NATO 125 items
- 5.56mm 22 items
- 5.7x28mm 8 items
- 6mm ARC 2 items
- 6.5 Creedmoor 14 items
- 6.5 PRC 1 item
- 6.8x51 3 items
- 7.62mm 15 items
- 7.62x39 43 items
- 7.62x51 13 items
- 7mm-08 Rem 1 item
- 8.6 Blackout 6 items
- 9mm 533 items
Category
Configuration
Finish
Magazine Capacity
Manufacturer
- 21st Tec 8 items
- Advanced Armament Company (AAC) 5 items
- Aero Precision 4 items
- Agency Arms 2 items
- Andro Corp Industries 2 items
- Angstadt Arms 3 items
- AREX Defense 13 items
- Arsenal 8 items
- Atlas Gunworks 11 items
- Brügger & Thomet (B&T) 16 items
- Battle Arms Development 6 items
- Benelli 24 items
- Beretta 21 items
- Black Rain Ordnance 12 items
- BOE Suppression 3 items
- Bravo Company MFG (BCM) 5 items
- Bul Armory 21 items
- Canik 7 items
- Centurion Arms 1 item
- Chiappa Firearms 9 items
- Christensen Arms 1 item
- Citadel 1 item
- Colt 19 items
- CZ-USA 29 items
- Dan Wesson 2 items
- Daniel Defense 17 items
- Danger Close Armament 18 items
- Dead Air Armament 9 items
- Empire 4 items
- F-1 Firearms 2 items
- Faxon Firearms 3 items
- FNH USA 35 items
- FosTecH 2 items
- Foxtrot Mike 3 items
- Geissele 1 item
- Genesis Arms 3 items
- Global Ordnance 1 item
- Glock 31 items
- Grand Power 17 items
- Grey Birch MFG 4 items
- Grey Ghost Precision 3 items
- Griffin Armament 8 items
- Grit City Cerakote 1 item
- Heckler & Koch 38 items
- Henry 10 items
- HUXWRX 10 items
- IWI 14 items
- Jacob Grey 5 items
- JK Armament 10 items
- JMAC Customs 4 items
- JP Enterprises Inc 6 items
- Kalashnikov USA 12 items
- Kel-Tec 5 items
- Kimber 1 item
- Knight’s Armament Company (KAC) 5 items
- Korth 1 item
- Kriss USA 1 item
- 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 7 items
- Matador Arms 2 items
- Maxim Defense 17 items
- Military Armament Corp. 1 item
- Modern Materiel 7 items
- Mossberg 1 item
- NEMO Arms 1 item
- Next Level Armament 5 items
- Nighthawk Custom 43 items
- Noveske 14 items
- OA Defense 27 items
- Patriot Ordnance Factory (POF) 17 items
- Phoenix Trinity 8 items
- Polymer80 4 items
- Primary Weapon Systems 16 items
- Pristine Technologies 1 item
- Q, LLC 22 items
- Quarter Circle 10 1 item
- Radian Weapons 2 items
- Radical Defense 19 items
- Rainier Arms, LLC 14 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 33 items
- Siege Suppressors 2 items
- Sig Sauer 133 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 20 items
- Staccato 50 items
- Stealth Arms 4 items
- Stoeger 16 items
- Surefire 5 items
- Taran Tactical Innovations 2 items
- Tippmann Arms 10 items
- Tisas USA 3 items
- Trailblazer Firearms 1 item
- Trinity Nevada 3 items
- True Precision 3 items
- Uberti 3 items
- VKTR Industries 4 items
- Vudoo Gun Works 1 item
- Walther 15 items
- Wilson Combat 6 items
- Wolfpack Armory 2 items
- Zenith Firearms 4 items
- ZEV Technologies 1 item
Model
- Arex Delta 4 items
- Benelli Supernova 1 item
- Beretta 92X 2 items
- Beretta APX 1 item
- Beretta 1301 2 items
- 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 18 items
- Sig P365 8 items
- Sig P365X 2 items
- Sig P365XL 3 items
- Sig P365 X-Macro 2 items
- Sig MCX 10 items
- S&W M&P M2.0 1 item
- Springfield Hellcat 1 item
- Staccato 2011 14 items
- Stoeger STR-9 2 items
Optic Footprint
Option
Platform
- 1911 15 items
- AR-9 2 items
- AR-10/LR308 9 items
- AR-15 47 items
- AK47/74 15 items
- Benelli 5 items
- Beretta 12 items
- Canik 5 items
- CZ 11 items
- FNH 8 items
- Glock 15 items
- H&K 4 items
- Remington 1 item
- Sig Sauer 68 items
- Smith & Wesson 3 items
- Springfield 4 items
- Staccato 21 items
- Stoeger 2 items
- Walther 4 items
Product Type
- AK Pistol 12 items
- AK-47/74 Rifle 32 items
- AR Pistol 38 items
- AR-10 Rifle 24 items
- AR-15 Complete Upper Receiver 1 item
- AR-15 Rifle 112 items
- AR-9 Complete Lower Receiver 1 item
- AR-9 Pistol 2 items
- AR-9 Rifle 3 items
- Bolt-Action Receiver 2 items
- Bolt-Action Rifle 25 items
- Complete Upper 1 item
- Firearm 57 items
- Handguard 7 items
- Handgun 575 items
- Lever-Action Rifle 24 items
- Magazine 1 item
- Pistol Caliber Carbine 62 items
- Short-Barrel Rifle 32 items
- Shotgun 43 items
- Suppressor 128 items
Rail Length
- 4.5" 2 items
- 5.5" 1 item
- 6.0" 2 items
- 6.7" 1 item
- 7" 3 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
- 11.75" 1 item
- 12" 7 items
- 12.5" 5 items
- 13" 5 items
- 13.5" 5 items
- 13.6" 1 item
- 14" 1 item
- 14.5" 4 items
- 15" 20 items
- 15.25" 1 item
Size
Thread Pitch
Twist Rate
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