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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Beretta 92XI SAO Optic Ready 9mm Full Size Pistol - 18rd★ ReviewsPopup content startsclose Popup
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from real shoppers4.8 star rating 30502 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 rating04/28/25JJustin B.Verified Buyer3.0 star rating04/28/25Needed modificationReview by Justin B. on 28 Apr 2025 review stating Needed modificationThe upper seems ok. But I had to modify it to work. The ejector on would not allow the bcg to close. And that was with a QC10 lower. I manually bent it down, then filed it down some and then honed it to a smooth finish. Works great now.On Quarter Circle 10 Complete AR-15 9mm PCC Upper - 7.5"JJGVerified Reviewer3.0 star rating04/27/25Great Module but does not play well with aftermarket triggersReview by JG on 27 Apr 2025 review stating Great Module but does not play well with aftermarket triggersThis is my second Sharps Bros grip module and I'm a long time customer. My P365 module is perfect. This one, however, I had some problems with. It seems like the cutout for the trigger is not the same dimensions as an OEM Springfield grip module. I have a popular aftermarket trigger modification in COG. It is a bit wider than the stock Springfield trigger. I tried to insert my COG into this grip module and had resistance. I looked at my COG and saw that the trigger shoe was scratched badly on the edges. I emailed Sharps about this a few weeks ago, and never heard back. I ended up filing the trigger opening out a bit so that the trigger would fit, but my PRP trigger is damaged from trying to insert it in the first place. TLDR; only use this with a completely stock trigger. No guarantee that an aftermarket trigger will work. I deducted two stars because a) the fit was poor (it should at least match the OEM fit), and b) Sharps never responded to my inquiry.On Sharps Bros Echelon Improved Grip Module - Black / Brazilian CherryAAleks A.Verified Buyer5.0 star rating04/27/25LowerReview by Aleks A. on 27 Apr 2025 review stating LowerExcellent quality and fast shippingOn Andro Corp Industries AC-9 9mm Complete Lower Receiver - No StockDDAN L.Verified Buyer5.0 star rating04/27/25Excellent upgrade for stacatto csReview by DAN L. on 27 Apr 2025 review stating Excellent upgrade for stacatto csI bought this for my stacatto cs because the little tab at the end of the stacatto captured guide rod assembly is not round and when reassembling the pistol the part might turn just enough to keep it from going into battery. I have the dpm systems in most of my other guns no complaints. I like that they include additional springs for tunability.On DPM Systems Technologies Mechanical Recoil Reduction System - Staccato CS 3.5″ Bull BarrelWWilliam N.Verified Buyer5.0 star rating04/27/25Low felt recoilReview by William N. on 27 Apr 2025 review stating Low felt recoilGreat pcc , but I wish you guys would have said it was the first gen model that doesn’t have threaded barrel.On Nemo Arms Mongoose 9mm Carbine Pistol - 5.8"$869.00 -
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Trinity Nevada Deimos 9MM Full Size Pistol - Black w/Gold BarrelSpecial Price $799.99 Regular Price $1,450.00
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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" 6 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" 11 items
- 3.75" 2 items
- 3.8" 4 items
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- 3.9" 35 items
- 3.94" 1 item
- 4" 35 items
- 4.01" 1 item
- 4.02" 11 items
- 4.09" 2 items
- 4.1" 1 item
- 4.17" 6 items
- 4.20" 1 item
- 4.25" 57 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" 21 items
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- 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
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- 4.925" 1 item
- 4.94" 1 item
- 5" 103 items
- 5.09" 1 item
- 5.1" 3 items
- 5.19" 2 items
- 5.2" 1 item
- 5.28" 2 items
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- 6" 9 items
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- 8" 17 items
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- 10" 2 items
- 10.3" 9 items
- 10.5" 13 items
- 11" 5 items
- 11.5" 12 items
- 11.75" 4 items
- 12" 2 items
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- 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" 97 items
- 16.1" 11 items
- 16.17" 2 items
- 16.2" 1 item
- 16.25" 20 items
- 16.3" 5 items
- 16.33" 3 items
- 16.5" 28 items
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- 18" 21 items
- 18.43" 1 item
- 18.5" 31 items
- 19.1" 3 items
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- 20" 12 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
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- .223/5.56 2 items
- .223 Rem 1 item
- .223 Wylde 20 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
- .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 3 items
- .410 1 item
- .44 Magnum 10 items
- .45-70 GOVT 1 item
- .45 ACP 43 items
- .45 Colt 7 items
- .46 Cal 1 item
- 10mm 13 items
- 12 Gauge 48 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 11 items
- 5.56 NATO 126 items
- 5.56mm 22 items
- 5.7x28mm 8 items
- 6mm ARC 4 items
- 6.5 Creedmoor 15 items
- 6.5 PRC 1 item
- 6.8x51 3 items
- 7.62mm 16 items
- 7.62x39 35 items
- 7.62x51 13 items
- 7mm-08 Rem 1 item
- 8.6 Blackout 7 items
- 9mm 525 items
Category
Configuration
Finish
Gas System
Magazine Capacity
Manufacturer
- 21st Tec 8 items
- Advanced Armament Company (AAC) 5 items
- Aero Precision 4 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 24 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 18 items
- Danger Close Armament 20 items
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- Dead Air Armament 10 items
- Empire 4 items
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- Geissele 1 item
- Genesis Arms 3 items
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- Glock 30 items
- Grand Power 17 items
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- Jacob Grey 5 items
- JK Armament 9 items
- JMAC Customs 2 items
- JP Enterprises Inc 6 items
- Kalashnikov USA 2 items
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- Kimber 2 items
- Kings River Custom 3 items
- 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 8 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 44 items
- Noveske 14 items
- OA Defense 27 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 23 items
- Quarter Circle 10 1 item
- Radian Weapons 2 items
- Radical Defense 19 items
- Rainier Arms, LLC 11 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 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 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
- V Seven Weapon Systems 8 items
- VKTR Industries 4 items
- Vudoo Gun Works 1 item
- Walther 16 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 3 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 2 items
Optic Footprint
Option
Platform
- 1911 15 items
- AR-9 2 items
- AR-10/LR308 10 items
- AR-15 53 items
- AK47/74 13 items
- Benelli 5 items
- Beretta 11 items
- Canik 5 items
- CZ 11 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 2 items
- Walther 4 items
Product Type
- AK Pistol 7 items
- AK-47/74 Rifle 26 items
- AR Pistol 41 items
- AR-10 Rifle 25 items
- AR-15 Complete Upper Receiver 1 item
- AR-15 Rifle 113 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 26 items
- Complete Upper 1 item
- Firearm 56 items
- Handguard 7 items
- Handgun 578 items
- Lever-Action Rifle 24 items
- Magazine 1 item
- Pistol Caliber Carbine 62 items
- Short-Barrel Rifle 32 items
- Shotgun 45 items
- Suppressor 129 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
- 11.75" 1 item
- 12" 7 items
- 12.5" 5 items
- 13" 5 items
- 13.5" 6 items
- 13.6" 1 item
- 14" 1 item
- 14.5" 4 items
- 15" 17 items
- 15.25" 1 item
- 16.5" 1 item
Size
Thread Pitch
Twist Rate
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