Fully custom uppers for any purpose
Easily order your choice of cartridge, match, and varmint rifles. Here are all the benefits of our products at Keystone Accuracy.
- Mega Arms 7075 Billet Upper (If Standard Forged M4 Upper Is Requested, Deduct $40)
- Standard Bolt Carrier Assembly With Side Charge Handle Modification
- Match Rifle Float Tube (Available from several manufacturers)
- Clamp-On Style Gas Manifold W/ +2" Gas Tube
- 416 Stainless Steel Barrel Of Your Choice
*You Do Not Have To Buy the Whole Upper
Tactical/Varmint Rifle Upper
We offer varmint rifle uppers with a 20" barrel that is fluted under the handguard and threaded for your suppressor. The above uppers are chambered in 6mm Hagar & .220 Thunderbolt and are designed to deliver a stellar performance in the field. Able to achieve 1/2 MOA accuracy to 600 yards and beyond, these types of uppers can be assembled in many different cartridges and configurations.
- Mega Arms 7075 Billet Aluminum Upper (If Standard Forged M4 Upper Is Requested, Deduct $40)
- Bolt Carrier Assembly Available In .373" or .421" Bolt Face Diameter
- Side Charge Handle Modification (Solid Black or Two-Tone Handle As Shown Available)
- Aluminum Charge Handle Block Piece