These impressive BCs provide improved external ballistics with less drop and wind drift. Sierra Bullets .22 Cal 77 Gr. So a cannelured TMK component bullet may be offered sometime in the future as was the case with the 77GR. The major advantage of adding a tip to the bullet is the reduction of drag producing a more favorable ballistic coefficient. Sight Height (in) Must be a number greater than 0. The major advantage of adding a tip to the bullet is the reduction of drag, producing a more favorable ballistic coefficient. This competition projectile has a superb track record at mid-range and long range rifle matches […] Lapua 0.308" 155gr Scenar 0.236 Sierra 0.308" … Edit: SIERRA emailed me to say they have no present plans to put a cannelure on either the 69GR. Sierra Bullets has been producing some of the most accurate bullets in the world since 1947. The major advantage of adding a tip to the bullet is the reduction of drag producing a more favorable ballistic coefficient. Firearm Setup. The sleek polymer tip on these new MatchKings increases the Ballistic Coefficient (BC) to an incredible .420 on the 5.56mm 77 grain and .535 on the .308 175 grain. Superior accuracy with the Lapua Scenar bullet The Lapua Scenar bullets are the first choice for superior accuracy. Ballistic coefficients of bullets are important because under or over estimates of ballistic coefficients can dramatically impact predictions of long range trajectory, wind drift, and impact energy. Zero Range (yd) Must be a number greater than 0. SIE 22Cal 77Gr TMK Match .224 100/Box Sierra has enhanced a segment of the MatchKing line by adding the acetal resin tip thus crowning the Tipped MatchKing (TMK) bullet line. SMK component bullet. Sierra has enhanced a segment of the MatchKing line by adding the acetal resin tip, thus crowning the Tipped MatchKing (TMK) bullet line. 500 Count Designed for Service Rifle competition in the M16A2/AR-15A2, our 22 caliber bullets have set an incredible number of new national records. This project compares ballistic coefficients advertised by four well-known bullet companies (Hornady, Nosler, Sierra, Notably, the new 22-Cal 77gr TMK has a 0.420 BC — identical to the BC of Sierra’s 80gr non-tipped HPBT MatchKing. Sierra Bullets. Environmental Status. Maximum 60°C; Minimum … Both new loads feature the newly developed Sierra Tipped MatchKing™ bullets. 092763071779 SIE 7177 Sierra has enhanced a segment of the MatchKing line by adding the acetal resin tip thus crowning the Tipped MatchKing (TMK) bullet line. The Scenar is an open tip match bullet with a boat tail design, perfect for competetive shooting in a multitude of events. TMK component bullets. G1 Ballistic Coefficient Must be between 0.001 and 1.0. https://www.diamondkbrass.com/Sierra-.22-Cal.-.224-77gr-TMK-500-ct..html We now carry every bullet that they offer for resale. The 77 grain #9377 MatchKing allows seating to an OAL that permits cartridges to be loaded into M16/AR15 magazines. TMK bullet used in the factory BHA 5.56MM loading has a cannelure. If you find one that we don't carry, tell us, we'll add it. But the 77GR. or 77GR. Midsouth Shooters has been proud to offer a full selection of Sierra reloading bullets for over 30 years. Temperature (°F) Maximum 140°F; Minimum -40°F. Another benefit is reliab G7 BC Values- Here are the G7 BC's of the most common bullets used in competition and target shooting.