Rifle Parts
Whether you're building a new rifle from scratch or looking to upgrade an existing firearm, our vast selection of rifle parts has everything you are going to need in that journey. At Rainier Arms' selection of rifle parts, you can find a wide variety of products including lower and upper parts, trigger parts, muzzle devices, and many more.
Explore our selection of high-quality parts coming from various leading manufacturers like Strike Industries, Magpul, BCM, and many more.
Also, don't forget to check our specially-made Rainier Arms barrels for your firearms.
-
Noveske Stainless Lightweight Lo-Pro Gas Block 5.56 NATO AR-15 Barrel - 14.5"★ ReviewsPopup content startsclose Popup
These are real reviews
from real shoppers4.8 star rating 30370 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 rating04/03/25MMICHAEL V.Verified Buyer5.0 star rating04/02/25Great gripsReview by MICHAEL V. on 2 Apr 2025 review stating Great gripsLove it. Put it on my DDM4. I put a different Driven arms grip on my rattler. Both are my top gripsOn Driven Arms Co. Utility Compact Grip (ULCG Gen 2) - AtomHHenry H.Verified Buyer5.0 star rating04/02/25I'd say buy them all, butReview by Henry H. on 2 Apr 2025 review stating I'd say buy them all, butthen there wouldn't be any left for me. I've got about 23 of these. Fantastic mags, great in the hand, slim profile, feed reliably and CHEAP!! at rainier.On Hera Arms H3T Polymer Magazine - 30 Round Black (10 Pack)EEthan B.Verified Buyer5.0 star rating04/02/25WORTH ITReview by Ethan B. on 2 Apr 2025 review stating WORTH ITHigh quality and cleans up the charging action compared to the OEM plastic piece.On HB Industries Grand Power Stribog SP9A3 Locking Charging BlockJJohnnie L.Verified Buyer5.0 star rating04/02/25Rainier Arms & Red Dirt Top NotchReview by Johnnie L. on 2 Apr 2025 review stating Rainier Arms & Red Dirt Top NotchAWESOME trigger and fast shipping!!! Thanks!!!On Red Dirt USA ST Prodigy Flat Adjustable Aluminum Trigger - F4DDavid E.Verified Buyer5.0 star rating04/02/25Fast Service, Great Product, lookingReview by David E. on 2 Apr 2025 review stating Fast Service, Great Product, lookingFast Service, Great Product, looking forward to future orders with Rainier ArmsOn Holosun Solar Charging Sight RMSc - Green$399.00 -
Shop By
Now Shopping by
Shopping Options
- Gas Block Diameter .750" Remove This Item
- Platform AR-15 Remove This Item
- Caliber 5.56 NATO Remove This Item
- Finish Satin Remove This Item
- Barrel Length 14.5" Remove This Item
My Wish List